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JPL Small-Body Database Browser
Search: [ help ]  
(2019 YF4)
Classification: Apollo [NEO]          SPK-ID: 3959226
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2149849339235622 4.0594e-06  
a 1.262731423168112 6.6737e-06 au
q .9912631915951101 1.1329e-07 au
i .2064414647006857 4.967e-06 deg
node 260.1698991478113 0.0003864 deg
peri 216.5828692326505 0.00039543 deg
M 93.79847908933037 0.00073108 deg
tp 2458865.461313595603
(2020-Jan-16.96131360)
2.3485e-05 TDB
period 518.2805475905927
1.42
0.0041088
1.125e-05
d
yr
n .6946044988058787 5.5067e-06 deg/d
Q 1.534199654741115 8.1085e-06 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      28 days  
   first obs. used      2019-12-29  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .47144  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-27 05:37:07  

Additional Information
 Earth MOID = .00782311 au 
 Jupiter MOID = 3.53886 au 
 T_jup = 5.083 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 27.0   .38767 E2020-AB7 autocmod 2.8

[ 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
1943-Jun-22 15:06 2_06:13 Earth 0.499328084066154 0.495158858724674 0.503499170758017 7.66785031561818 7.66715437458079 2430898.129366600 3252.96154555618 213433.932622183 2.5927875890926 -13.0677456577197 3709988.49907844 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1946-Aug-28 03:50 2_12:51 Earth 0.457773810469205 0.450432666496582 0.465156491061931 7.07773191202223 7.07690949415254 2432060.659389058 3650.52987178657 426681.195542333 6.79613846668478 30.6599568301284 2893308.92444213 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1949-Dec-03 04:34 2_05:58 Earth 0.191091870882939 0.158252049257711 0.223930650402055 8.84996852048543 8.84839284389891 2433253.690316624 3237.94902431563 1637411.89471732 4.41134514485768 -0.981036136542703 76577.2522685183 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1950-Apr-06 17:58 7_07:03 Earth 0.252348301884117 0.231244490971196 0.273433291683952 2.71791915569205 2.71403151473808 2433378.248880031 10503.3704237399 1046281.03022219 5.42990258602303 4.57055687041185 140217.861513597 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1956-Aug-30 20:54 5_10:01 Mars 0.0781937204191171 0.0647977530965382 0.0926601598121233 4.96757820228337 4.96684111007817 2435716.370506100 7800.94160655485 831554.090630591 5.09007715789849 32.7343217839617 1354704.21237157 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1956-Sep-17 09:58 2_15:51 Earth 0.388680472099028 0.379469840737618 0.397934984313292 5.86505841598067 5.86388948041153 2435733.915534599 3830.57184480294 504361.279982442 7.39021664638888 24.1589749237497 1611168.84420336 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1957-Mar-17 04:50 1_08:53 Earth 0.479162980830356 0.453103929242999 0.505222420418067 17.4845759565426 17.4842579193256 2435914.701557236 1972.61398512615 1299647.08849163 3.91049740296746 1.04331150071678 268813.762818596 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1959-Nov-19 05:14 1_05:41 Earth 0.441225795240442 0.417941928528649 0.464510992178611 16.4042786836313 16.4039105553387 2436891.718229551 1781.38283869089 1161733.78705372 8.55675720571445 1.94373783015118 207701.556740076 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1960-May-11 02:31 2_11:21 Earth 0.374192275857248 0.365149451784987 0.383236098081253 5.51391106794473 5.51261952560723 2437065.605106344 3561.21739999336 451982.81161945 4.89837412904203 4.34679387844086 422865.61957497 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1966-Oct-18 11:04 2_13:41 Earth 0.277906638910098 0.269474032112374 0.286357894395071 3.52846789961476 3.52574961714948 2439416.960907227 3700.49840150561 436015.678387297 6.75853655533757 15.7650494592874 570931.465660253 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1967-Mar-03 14:08 22:13 Earth 0.232799338010039 0.217820956040555 0.247777678176471 10.1097990122375 10.108666840231 2439553.089188664 1332.80211681658 746894.101998042 3.4645517657311 0.938893135549049 116494.663417867 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1967-Jul-31 00:00 07:11 Mars 0.0540821029059017 0.0443176961375865 0.0643163374320785 6.9272086005872 6.92644438074871 2439702.500029862 431.227092478413 558529.025397041 3.5969597604456 -26.2858326424217 952594.365254841 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1970-Jun-02 08:28 19:22 Earth 0.448120216372816 0.445383650235576 0.450856773696203 6.85715444825794 6.85628728403859 2440739.852829670 1162.04212753832 136425.274702782 3.55847984939019 -0.198878528073655 33421.6975608247 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1977-Feb-07 10:19 11:48 Earth 0.0303485387598326 0.0290527069649034 0.0316443780800296 3.59954744296823 3.57507340598617 2443181.929703480 708.049521151823 64621.2153515056 2.33198237065416 5.27965807111298 131722.433706805 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1980-Jun-08 20:30 03:24 Earth 0.475459253102199 0.475073360829247 0.475845145942172 7.25458645157855 7.25381393196164 2444399.354273297 204.214883217872 19260.3143612209 3.01041946123864 -2.74218324163188 625453.679121068 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1986-Oct-24 09:25 09:55 Earth 0.266356922973096 0.265008270072649 0.267705924594825 3.11807775883755 3.11486790673543 2446727.892545724 595.399369902145 68958.2906390103 6.5664753531424 13.8871576701286 457149.632008481 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1987-Mar-02 08:22 03:33 Earth 0.211822549908035 0.209615996732081 0.214029101254101 9.48496902286245 9.48364274471867 2446856.848399686 213.386229303816 110027.45848908 3.4282113900845 0.99896145687139 112466.969163926 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1990-May-24 03:21 04:35 Earth 0.424577394227971 0.423905128589927 0.42524966138675 6.40241833032086 6.40143806262576 2448035.639623200 275.07804672029 33547.1490894495 4.05967906941076 2.65049380703819 382794.843771177 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1996-Sep-24 12:54 05:15 Earth 0.373492539614383 0.372686609438959 0.374298751063517 5.5197226861844 5.51843008657466 2450351.037793258 314.69925116117 43323.9751919009 7.46840689429134 21.996496668084 1344174.7628259 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1997-Mar-14 23:19 02:41 Earth 0.429716366720701 0.42767586044686 0.431756875588007 16.0527013042387 16.0523150372784 2450522.471725155 161.356491857818 101765.479457625 3.88313852114896 1.06296292870791 242050.233021944 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
1999-Nov-24 22:11 02:37 Earth 0.358947501971815 0.356979077129698 0.360915930271029 13.949329035466 13.9487968826226 2451507.424233730 156.976804803687 98173.1918334188 7.28976490727032 1.19878531925806 117369.164377507 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2000-May-01 12:53 05:38 Earth 0.342694521371415 0.341805171270622 0.34358388640404 4.84975730317465 4.84815384738522 2451666.037046057 337.943971654486 44491.9450367965 5.17006417427633 5.25453118751412 399853.829207175 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2006-Sep-05 06:28 03:16 Earth 0.444382638802397 0.443954682574061 0.444810716128015 6.78561040613172 6.78472672693368 2453983.769757626 195.632699483946 24277.0353384287 7.17732723727942 28.4898412196391 2397858.64509357 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2009-Dec-08 06:45 02:54 Earth 0.142972068393701 0.141532424528126 0.144411709019171 7.37075834821909 7.36822949576289 2455173.781204319 174.473525476389 71781.1080874458 3.69735309877239 -1.42610864288047 97747.0211817459 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2010-Mar-23 00:43 15:36 Earth 0.218909323790049 0.217766738159903 0.220050009420956 1.25272305536301 1.2429689576061 2455278.529668442 935.531056591619 47704.6914933812 4.7582667572002 1.64348751911792 2734.28011497899 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2016-Aug-22 05:47 00:51 Earth 0.483885865496392 0.483828104426605 0.483943633977982 7.43137932285101 7.43063831698908 2457622.741247668 51.1998208491255 4149.26054576902 5.3488917456423 46.046935899935 5347593.02120808 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2020-Jan-10 09:25 < 00:01 Earth 0.00954449860460908 0.00954404715056424 0.00954495005535418 2.89712179767294 2.79910466666297 2458858.892082311 0.0434504821024745 20.647950300743 0.899453021447826 -2.25971900042176 30958.2895063841 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2020-Jan-10 12:35 < 00:01 Moon 0.007332257984605 0.0073318087120931 0.00733270725721485 1.92862268718319 1.92630371820777 2458859.024552254 0.048293396098191 22.443475050298 0.878228395685812 5.66717903719007 71727.0666521386 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2026-Sep-13 00:11 02:12 Earth 0.412744566764659 0.41240289150563 0.413086299790964 6.35072945744384 6.34971287608805 2461296.507920992 131.722860583989 18698.6479313019 7.31080996791735 24.3649837929012 1870638.12927587 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2029-Nov-23 02:53 01:54 Earth 0.414980492205581 0.413499322865025 0.416461666726686 15.6018297189186 15.6014181762498 2462463.620201019 114.313217309668 73896.2362992021 7.89809068263479 1.86764836300602 201143.678875598 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2030-May-12 04:54 03:57 Earth 0.362357770941271 0.36178261568801 0.362932930236265 5.3136572977979 5.31227329235437 2462633.704326031 237.478565888111 28744.2039816028 4.56619878501895 4.35131143261873 433889.728838299 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2033-Oct-24 02:02 04:10 Mars 0.0460791295839126 0.0455831589567061 0.0466195930144676 5.66766765621162 5.66657133062525 2463894.585009306 250.099813069563 75947.511218086 5.36123450326511 70.0944031059737 1248212.85997008 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2036-Nov-19 03:00 2_13:31 Earth 0.205014342763781 0.202862282710929 0.20713568445612 0.705313518233929 0.686639685159429 2465016.625001414 3691.32129921676 233812.705094431 3.83321502079093 -53.2092263303124 183993.77522069 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2037-Feb-26 04:10 05:35 Earth 0.125767138865801 0.12325516359356 0.128279084087514 6.8121652785016 6.80905457105566 2465115.673731240 334.832801782256 125223.753036816 3.17798000178533 1.23992543561748 86052.5271598564 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2040-Jun-17 01:28 04:27 Earth 0.478409339095053 0.477962336389722 0.478856348660802 7.35831779576308 7.35756086439156 2466322.561027973 266.920163243976 22472.7286846868 2.59589796664073 -7.39261785019422 2094699.77944416 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2043-Aug-27 03:53 04:19 Earth 0.467045959692819 0.466584149184965 0.467507975267709 7.23451761396625 7.23372899570331 2467488.661613606 259.322126964424 27726.0929666758 6.42431540208721 33.8408108863578 3510767.53323982 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2046-Dec-07 03:30 03:32 Earth 0.184245693380245 0.182069435491551 0.186421945857691 8.61179537790498 8.61011594113105 2468686.645720411 212.190282760239 108509.620009853 4.07677317487294 -0.997940478619472 80843.7396291586 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2047-Apr-08 19:12 12:03 Earth 0.247032050506648 0.245609579256268 0.248454400776285 2.57161404421769 2.5674163784034 2468809.299783987 722.738810473034 70405.462120372 5.12978016468112 3.95762143066713 122921.258222605 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2050-May-06 21:03 00:46 Mars 0.0648488626076653 0.0635965741069373 0.0661064099724192 7.09453568778696 7.09391338908761 2469933.377210845 46.2877510076545 69022.2517986061 3.21161613489578 -24.9550244993591 1209901.85810549 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2053-Oct-01 04:04 03:37 Earth 0.348561598304527 0.348041799609707 0.349081524002382 5.12069920027551 5.11920617599494 2471176.669557330 217.064480777555 27966.6694480813 7.14485173300455 22.1488958354365 1279623.83727443 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2054-Mar-15 03:55 01:40 Earth 0.379629101895625 0.378389701517362 0.380868502759447 14.5184050908707 14.5179216524305 2471341.663222065 99.8844342319846 61807.6061732398 3.72184569358991 0.857959923447532 174993.974101086 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2057-May-28 12:44 01:44 Earth 0.419919394171711 0.419661630775245 0.420177157492033 6.38568852426515 6.38469478491769 2472512.030382184 104.232332804586 12850.5233302399 3.64911283967885 0.870448439787713 137016.065329755 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2064-Jan-31 23:53 02:46 Earth 0.0129139491709419 0.0128063095401584 0.0130216063524717 2.98303107078512 2.91304359910408 2474951.494881967 165.562859684595 5420.66063207028 1.87379311817298 10.675244949098 155435.611010394 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2067-Jun-13 19:27 01:35 Earth 0.477896571765069 0.477767885770007 0.478025259052464 7.28270688135799 7.28194126987281 2476180.310534798 95.4395419886137 6535.65763171454 2.41497702079044 -11.0004553554113 3134596.21968739 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2073-Oct-20 00:35 06:54 Earth 0.294788950071034 0.2937775768748 0.295800578585213 3.8432617303094 3.84090920591879 2478500.524418873 414.377449989358 52262.9296237167 6.27269597511588 15.6366235768068 717410.631521704 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2074-Mar-09 10:03 02:32 Earth 0.259986449164543 0.258141952396526 0.261830943550085 10.9662163670987 10.9652817723413 2478640.918861344 151.838843268538 91969.1626866823 3.48751349076381 0.449943824440715 61633.1877914018 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2077-May-21 14:15 05:17 Earth 0.403118432066259 0.402362428599848 0.403874436206451 6.00168219103611 6.00058078726784 2479810.093976682 316.668694826393 37707.812300491 3.56672908570246 2.13386645638507 316972.191717088 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2080-Oct-31 01:07 10:35 Mars 0.0715888391752734 0.0699761661304809 0.0732158044976487 5.26679256103397 5.26603320410174 2481068.546834363 635.341090757914 95231.9737724346 5.08883917360947 31.9708380317539 1216191.40855986 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2083-Sep-18 10:36 06:48 Earth 0.414482151233188 0.413474505617049 0.41549033796525 6.28811521251184 6.28709281133429 2482120.942008567 408.304843755965 55533.1817469848 7.12444650450534 25.2168840122886 1929451.19318946 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2086-Feb-01 12:33 05:58 Mars 0.0321547518031086 0.0309053050798471 0.0335341936475148 6.01422118463013 6.01274059368183 2482988.022790751 357.758846200555 121257.15108207 2.831513300021 57.2012336049671 1428606.12436716 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2086-Dec-06 14:57 05:16 Earth 0.226802294133216 0.223325313804108 0.230279257690618 9.94452159400289 9.94334016720751 2483296.122886790 316.301534414472 173355.24959033 4.64809382442895 -0.253738221050898 21159.6043824969 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2087-Apr-17 05:04 15:27 Earth 0.275286959325193 0.273216665123062 0.277357211704397 3.2416041843155 3.23861696653051 2483427.711018510 926.929791365326 103097.789651397 4.6777549337046 4.33538002478731 209134.480901629 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2093-Aug-27 22:27 07:23 Earth 0.48165928079356 0.480828480545063 0.482490712264162 7.40898772016162 7.40824103858867 2485752.435533219 443.090041358659 49736.594039712 6.49022805589506 33.5815816400543 3513954.60960795 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2097-Jan-18 13:00 2_16:41 Earth 0.00860144543723347 0.00837464976871725 0.00882839361866482 2.84193955366878 2.73076513052943 2486992.042007226 3881.37994138066 11461.0024719967 1.31226729239963 10.0128811077183 149781.31520439 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
2100-Jun-24 11:09 5_18:12 Earth 0.492699621240666 0.484841167734247 0.500567444811741 7.52576275339175 7.5250441316698 2488243.964346291 8292.09601150227 406479.552096088 2.6046596795527 -15.3357618632393 3881370.79098818 T 11 CATAB v2.0f-lin.ifort 2020-Jan-27 05:37:09 2020-Jan-27 05:37
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