Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
25330 (1999 KV4)
Classification: Apollo [NEO]          SPK-ID: 2025330
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 163 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3708585073162327 3.99e-08  
a 1.54039946681071 4.2348e-09 au
q .9691292198785691 6.2064e-08 au
i 14.32801781464583 5.9102e-06 deg
node 50.60164674457407 1.8239e-05 deg
peri 85.97377840681605 2.0904e-05 deg
M 24.44792009331342 1.8404e-05 deg
tp 2458953.077124613932
(2020-Apr-13.57712461)
3.5512e-05 TDB
period 698.3103296240633
1.91
2.8796e-06
7.884e-09
d
yr
n .5155301085032018 2.1259e-09 deg/d
Q 2.11166971374285 5.8053e-09 au
  Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      14818 days (40.57 yr)  
   first obs. used      1979-11-16  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-12 06:29:43  

Additional Information
 Earth MOID = .172941 au 
 Jupiter MOID = 3.02341 au 
 T_jup = 4.357 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO214046  
diameter diameter 3.21 km n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130  
rotation period rot_per 4.919 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2002) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.052   n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130  
SMASSII spectral type spec_B B   n/a Binzel et al. (2004) Icarus 170, 259-294  

25330 (1999 KV4)          Discovered 1999-May-17 by CSS at Catalina
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1914-Dec-12 03:47 < 00:01 Earth 0.248083866415012 0.248079253287816 0.248088479666925 7.58288502320132 7.58146851227191 2420478.657532484 0.48307059654436 360.517772150035 8.21800428785628 50.3641434813349 1987439.68024124 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1915-Apr-04 07:40 < 00:01 Earth 0.193987748881194 0.193986904951771 0.193988593034739 9.28185816506027 9.28037824672973 2420591.819580208 0.111298775697903 342.242259294574 10.5358307238643 83.1517379862332 2234457.62858878 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1916-Nov-30 06:26 < 00:01 Earth 0.422090662929115 0.422084710440389 0.422096615430054 19.7068312737637 19.7065109469138 2421197.768234397 0.334558556752064 317.752581918689 16.164841449312 -20.9410587943299 1232799.16851617 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1935-Nov-24 14:06 < 00:01 Earth 0.414089983177146 0.414085866782627 0.414094099617988 7.96668411514659 7.96587639288828 2428131.087298454 0.703005767594345 299.94793804865 10.432988255395 46.8560418571483 2320811.07929833 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1936-Apr-09 20:50 < 00:01 Earth 0.274030809361939 0.274026828901807 0.274034789877134 14.4078926130606 14.4072177390996 2428268.368335905 0.2717878728037 277.601171037417 11.8947570934339 -44.4102535897554 2097163.64951645 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1937-Dec-08 23:15 < 00:01 Earth 0.234229890145071 0.234225929188166 0.234233851164913 13.8162989051976 13.8154755423576 2428876.468961305 0.239689357108752 275.48772650543 15.3216612019207 -44.2850961739106 1379869.17053445 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1938-Apr-21 22:14 < 00:01 Earth 0.391717745597642 0.391713954656707 0.391721536583111 7.64647585891681 7.64558624195861 2429010.426336457 0.68193435667928 281.947029141033 17.6248829806252 48.0247982441813 2060373.56911142 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1957-Apr-19 04:32 < 00:01 Earth 0.457274860712654 0.457271890400175 0.457277831029058 20.2474445093913 20.2471567245597 2435947.688587116 0.181653028119261 162.585057156685 12.5846321443241 -24.4343677666153 2024201.36557804 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1958-Oct-17 13:09 < 00:01 Mars 0.0829071001298586 0.0829067426637217 0.0829074576335135 12.7801242508647 12.7798540517158 2436494.048127873 0.164000627778413 145.163251128288 14.1193177434646 85.6804923363008 874498.919236153 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1958-Dec-14 16:17 < 00:01 Earth 0.181437067584 0.181436065193896 0.181438070021886 8.95946267557752 8.95782342967915 2436552.178370560 0.0718628745117143 159.989318544939 12.8880839645083 72.3634450920211 1639010.79800015 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1959-Apr-05 17:56 < 00:01 Earth 0.239143954244396 0.239142168848779 0.239145739698956 7.56697668107549 7.56550412170127 2436664.247086277 0.215851612121003 208.395652042082 9.97354009584279 64.8432689371548 2358673.67617773 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1979-Dec-05 23:40 < 00:01 Earth 0.319086386619439 0.319085033720754 0.319087739528772 7.46079921237741 7.45967989999704 2444213.485895386 0.24336522372509 114.477038937968 7.58572292115874 54.0654996903825 2278902.07439091 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1980-Apr-06 01:47 < 00:01 Earth 0.202064482038133 0.202063821324926 0.20206514276317 11.3115298787887 11.3103640805142 2444335.574497678 0.0732581906899562 88.3533165705963 11.1988965321285 -69.3001398346566 2166200.52371307 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1981-Dec-04 18:35 < 00:01 Earth 0.337816800684883 0.337815280128236 0.337818321243067 17.1208906554902 17.1204299635635 2444943.274288563 0.0724231036381076 84.2588699289365 15.9438727105873 -26.3714542840093 1313570.51292704 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1982-May-01 23:27 < 00:01 Earth 0.47708122993837 0.477080189596257 0.4770822702823 8.28386962960942 8.28319540524104 2445091.476881036 0.193125610340107 72.2658280230836 20.2156010656842 46.4837651889769 2236223.749735 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
1991-Dec-10 06:42 < 00:01 Mars 0.0880295498136397 0.0880288495293411 0.0880302501025368 11.8657676502008 11.8654935641824 2448600.778844011 0.0593558429217756 51.4067162803127 18.8899038981119 -52.0979945163014 574399.093059197 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2000-Nov-16 00:04 < 00:01 Earth 0.486244888034455 0.486244611643769 0.486245164425363 8.48009231993031 8.47944611052381 2451864.502730732 0.0609369749673464 26.7976711869228 9.9038597134136 67.3617752390715 3773273.11872869 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2001-Apr-14 14:43 < 00:01 Earth 0.353594039027619 0.353593607868739 0.35359447018656 17.1035902218218 17.103149640854 2452014.113183158 0.05921260142636 22.885304813646 11.9326577938517 -23.6766237400146 2519021.67725496 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2002-Dec-12 21:57 < 00:01 Earth 0.181465481569414 0.181465157456135 0.181465805682703 11.2952746212881 11.2939746117769 2452621.414883333 0.0667211212127889 16.9695861368914 15.6423312922779 -51.8582559323676 1514023.93328757 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2003-Apr-13 10:26 < 00:01 Earth 0.316386057800349 0.316385725616405 0.316386389984832 7.24744685393177 7.24628475045509 2452742.935011907 0.0739673564443532 34.711127198393 12.2796399217171 69.9761801661543 2465621.44726257 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2023-Dec-14 00:45 < 00:01 Earth 0.230825624724003 0.230824446888608 0.230826802566313 7.76077705088366 7.75928952424136 2460292.531205092 0.11399488022672 86.7702363656229 9.46925271348172 47.7684731206861 1803690.32945629 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2024-Apr-04 01:57 < 00:01 Earth 0.196180006386417 0.19617946443737 0.196180548350362 8.8126452530611 8.81110394551642 2460404.581247087 0.0827560182984427 96.1669443186804 10.3472856162264 74.8554743951453 2254250.2781483 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2025-Nov-30 04:09 < 00:01 Earth 0.449181845050623 0.44918021320054 0.449183476901625 20.459051664173 20.4587617244362 2461009.672949008 0.15244395657033 87.6748985848956 16.2707258222212 -22.2643081733227 1500563.88105739 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2044-Nov-27 03:10 < 00:01 Earth 0.390253914864087 0.390251276650751 0.390256553095413 7.8196562112674 7.81878303549563 2467946.632049836 0.430407066676892 186.726878423311 10.1218964853927 45.2967719664697 2142604.00287138 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2045-Apr-09 20:50 < 00:01 Earth 0.247068031439527 0.24706565068969 0.247070412221385 13.5779809671654 13.5771866877472 2468080.368238274 0.219291939625817 184.293112524346 11.7817968951431 -50.0388862476887 2097163.64644404 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2046-Dec-08 23:36 < 00:01 Earth 0.262933540963009 0.262930814933615 0.262936267014447 14.6545824891813 14.6538909716997 2468688.483161823 0.229643045517349 181.885399902625 15.5136404798842 -41.8269298434034 1457006.99176882 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2047-Apr-25 09:45 < 00:01 Earth 0.413718558152892 0.413715877403572 0.413721238912959 7.80531424383146 7.80448908050349 2468825.906590942 0.427549255063119 170.892701952163 20.8785488217063 38.8851440661935 1612722.52549828 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2066-Apr-18 20:23 < 00:01 Earth 0.426473934853529 0.426469828238288 0.42647804147866 19.3767123598257 19.3763899239298 2475759.349135763 0.304206831357513 229.056417945353 12.5467055938391 -26.6631278638257 2032934.40501378 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2067-Dec-15 07:54 < 00:01 Earth 0.176720664371958 0.1767197504681 0.176721578379032 9.50288237259572 9.50129563202124 2476364.829431190 0.130349358827154 227.638805635892 13.5209297365083 78.9507567874097 1622574.18102893 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2068-Apr-07 00:15 < 00:01 Earth 0.25674335927444 0.256740209232826 0.256746509451152 7.37037245573541 7.36896425296938 2476478.510438239 0.343125247113288 333.649123989166 10.4500315014468 61.9628218613594 2451164.90938762 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2073-Jul-11 15:34 < 00:01 Mars 0.0757429208789715 0.0757424423665583 0.0757433995194428 12.7207391508808 12.7204420137927 2478400.148734048 0.321021133369721 194.993618185669 14.2388854715776 84.3486864467513 790846.711419748 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2088-Dec-08 12:27 < 00:01 Earth 0.293021695703624 0.293016593822692 0.293026797710562 7.43502166064902 7.43379854910534 2484029.018501371 0.741429573449772 395.776796150483 7.84713720824584 50.0112303853989 2103886.46355159 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2089-Apr-06 04:55 < 00:01 Earth 0.18949460302895 0.189493425451909 0.189495780853672 10.5474476742869 10.5461144734422 2484147.704900704 0.273922829417319 352.754204242511 11.0279176104447 -80.5897116017246 2177551.55709073 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2090-Dec-04 09:24 < 00:01 Earth 0.372811121047369 0.372804966453522 0.372817275667007 18.1170408102369 18.1166463157271 2484754.891399120 0.435298434291739 343.74267439344 16.0848104314205 -26.8032124815918 1360364.03807884 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2106-Sep-04 11:40 < 00:01 Mars 0.0914748457544139 0.0914720361431755 0.0914776557373715 11.9424629705511 11.9422009017253 2490506.985921232 0.526654086814514 325.174036040099 18.8101159343578 -64.677835782474 659109.52223509 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2109-Nov-20 13:42 < 00:01 Earth 0.461166918979662 0.461160605991345 0.461173232030028 8.33758013692902 8.33688713851882 2491680.071049686 0.987743660693478 412.770152281072 11.8225934396084 40.3250864597588 2243944.36385954 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2110-Apr-15 07:34 < 00:01 Earth 0.32047631943466 0.320468743669558 0.320483895292633 16.1618081851971 16.1612937468 2491825.815375824 0.549223108663413 465.622084917871 12.1215679523575 -35.7907397320109 2026101.69892771 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2111-Dec-14 00:00 < 00:01 Earth 0.200372543890517 0.200368119619182 0.200376968496111 12.133601816461 12.1325058329492 2492433.499914783 0.436179095509908 464.773244788837 15.0369984951094 -61.720448591343 1511973.59043899 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2112-Apr-17 09:01 00:01 Earth 0.341404961612706 0.341397982854532 0.341411940635004 7.34512968978199 7.34406707837036 2492558.875556442 1.19141788000351 588.032951575121 15.0847729590506 53.7420969111417 2198591.80212901 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2132-Dec-15 20:34 < 00:01 Earth 0.211957684915362 0.211951869340878 0.211963500860949 8.08802275398344 8.08646835479964 2500106.357176661 0.293368281085745 529.174115503962 11.1306350336813 56.7787221040873 1719119.84966413 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2133-Apr-06 02:11 < 00:01 Earth 0.20531354831037 0.205308975972756 0.205318121272158 8.28150107266001 8.27993386415109 2500217.590880570 0.097257004027143 609.365291429698 9.97175301341613 68.0372767641882 2323539.38080914 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2134-Nov-30 21:14 < 00:01 Earth 0.483831491835277 0.483821727390331 0.483841256303985 21.422538331813 21.4222812626986 2500821.384829433 0.670560216952694 515.495031659015 16.5443503736681 -19.1815957103301 1270110.05025733 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2153-Dec-02 13:45 00:02 Earth 0.360017010885376 0.360007055401897 0.360026966737463 7.64144048376353 7.64047189009569 2507763.073113058 1.67325254659353 759.35055427928 9.1957511287599 49.1808940915786 2184106.75724817 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2154-Apr-10 12:14 < 00:01 Earth 0.220546536675789 0.220539146553827 0.22055392739126 12.6179242874048 12.6169667832311 2507892.009563746 0.664970434340632 679.449863499307 11.5585090123398 -57.1703603305861 2087180.77464362 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2155-Dec-09 12:56 < 00:01 Earth 0.298216083239317 0.298205203056237 0.298226963625121 15.7353869608175 15.7348191394865 2508500.038554207 0.754992088439215 666.950962947203 15.8110016204216 -35.5770955269346 1412555.42291628 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2156-Apr-29 11:59 00:02 Earth 0.442607821808683 0.442598463487032 0.442617180227096 7.98506677312622 7.98431283583794 2508641.999490838 1.52770133226403 569.682969551788 22.6526306071747 35.0366179123543 1438020.00600565 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2175-Apr-19 10:24 < 00:01 Earth 0.390246812443601 0.390234796599387 0.390258828396313 18.3842420817816 18.3838706905475 2515570.933163368 0.833849879440628 681.42138282734 12.4011969312564 -28.4480161638816 1979415.66178402 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2176-Dec-15 21:29 < 00:01 Earth 0.17921385172667 0.179213228587438 0.179214475666569 10.1820508594073 10.1805905776339 2516177.395229361 0.407073812113074 673.097719888999 14.2699611158986 -87.653463191965 1604580.86685454 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2177-Apr-10 20:42 00:01 Earth 0.278161062337953 0.278151277656239 0.278170848204115 7.25303872174743 7.25171792628201 2516293.362155208 1.350377137624 1028.55324440269 10.9938188428779 61.6840336457708 2485082.11523391 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2188-Apr-05 16:48 < 00:01 Mars 0.0685527831635177 0.0685514744404399 0.0685540937889737 12.7424233049895 12.742095561063 2520306.200250586 0.84810736211401 587.262588811172 14.2939538720804 83.7688814749462 712175.038466314 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2197-Dec-13 02:21 00:01 Earth 0.264131972089032 0.264120445362316 0.264143499584384 7.48591422048058 7.48456654405682 2523844.597579094 1.47418014603606 914.029437577345 8.57094225231108 51.0334445545252 1932665.75431478 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2198-Apr-07 08:08 < 00:01 Earth 0.18308379574828 0.183082857184367 0.183084735858971 9.70445046302233 9.70295069164235 2523959.838738353 0.44888572630583 862.769270034407 10.5833358599716 86.961758135763 2208294.26557519 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30
2199-Dec-05 00:47 00:01 Earth 0.409053761961542 0.409038753615216 0.409068770418896 19.1529872917983 19.1526471975392 2524566.532536046 1.00585201648278 820.423819837655 16.3362642331135 -24.1938592833814 1337359.20119867 T 163 CATAB v2.0f-lin.ifort 2020-Jun-12 06:29:58 2020-Jun-12 06:30

Alternate Designations
 1999 KV4 = 1979 WC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-21 01:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin