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 ]  
497135 (2004 QD20)
Classification: Apollo [NEO]          SPK-ID: 2497135
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 55 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6976176828156124 3.5466e-08  
a 2.173350105748026 1.4162e-08 au
q .6571826410290219 7.5965e-08 au
i 17.5362085767532 6.2252e-06 deg
node 224.2083504275355 3.9136e-05 deg
peri 353.4154917997382 4.3072e-05 deg
M 5.338254063217227 1.008e-05 deg
tp 2458983.146395142777
(2020-May-13.64639514)
3.2666e-05 TDB
period 1170.288576492968
3.20
1.1438e-05
3.132e-08
d
yr
n .3076164351521065 3.0067e-09 deg/d
Q 3.68951757046703 2.4041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      5895 days (16.14 yr)  
   first obs. used      2004-08-26  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53419  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-17 08:42:32  

Additional Information
 Earth MOID = .28466 au 
 Jupiter MOID = 1.30694 au 
 T_jup = 3.277 
[ 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 18.1   n/a E2016-UA7  

497135 (2004 QD20)          Discovered 2004-Aug-26 by LINEAR at Socorro
Reference: Last Updated: 2017-10-09

[ 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
1908-Mar-06 23:31 00:03 Earth 0.316677285730454 0.316673954361079 0.316680617640472 17.9220645846289 17.9215951089559 2418007.479926001 3.22227087795927 676.256395260924 15.9890407088446 -75.8424925722502 2824637.22502712 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
1911-Jun-15 05:21 00:03 Venus 0.127785671415544 0.127775493112151 0.12779585134035 19.34959695314 19.3487186898719 2419202.723096522 2.93339317251019 879.379375808711 14.5966202194964 54.7565522637844 1051768.52344485 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
1911-Jul-29 17:57 00:01 Earth 0.355930431875195 0.35592157736721 0.355939286783233 26.2818308491949 26.2815460137887 2419247.248018347 1.35073174510368 741.43369978359 19.3591988141462 -53.4762820058178 2139219.36994047 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
1924-Mar-10 09:28 00:03 Earth 0.328184742851349 0.328181874709825 0.328187611358142 18.3389434062318 18.3385006905543 2423854.894762103 2.7520546911144 567.799163474096 16.1637534662921 -75.4999366024247 2833945.85525271 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
1927-Jul-25 19:18 00:01 Earth 0.318853425644381 0.318847742167069 0.318859109511773 24.3820098335437 24.3816671014139 2425087.304448588 1.25188167529568 625.321636879738 19.0458427055742 -63.1011332786333 2175331.75032044 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
1929-Jan-01 14:30 < 00:01 Jupiter 1.39634937982523 1.39634742652483 1.39635133312555 6.33892617376288 6.24249864710488 2425613.104258736 0.67581469620848 131.261437220243 95.8589294160328 -88.9310682161798 1417550.82094174 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
1940-Mar-23 18:16 00:02 Earth 0.3379240968612 0.33792250703879 0.337925686877483 19.450584256498 19.45017887393 2429712.261398592 2.08590449456237 419.743723880199 16.0714640211713 -79.3338657258053 2872550.2475375 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
1943-Jul-04 22:13 00:02 Venus 0.0735136052315997 0.0735068542492711 0.073520357634679 20.1903317332032 20.1888686349051 2430910.425905044 1.71082109460957 611.297534674284 16.163411549673 -56.6117476100756 562054.61280214 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
1943-Aug-06 01:46 < 00:01 Earth 0.44301785120673 0.443010083293062 0.443025619233619 29.6445340428199 29.6443311587314 2430942.573691753 0.881155766276789 524.481182514688 18.6347966170088 -42.4252260613193 2308376.19259543 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
1956-Apr-21 17:57 00:02 Earth 0.354701574876278 0.354701330896426 0.354701818863811 21.4920419925486 21.4916924700865 2435585.248114210 1.58689476612297 309.632092554477 11.7272634218628 -89.4004153302026 3990593.31309728 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
1964-May-28 01:02 < 00:01 Jupiter 1.31442415716169 1.31442337536288 1.3144249389649 6.35152271240826 6.24924229159634 2438543.543245562 0.502515766230342 149.648487301511 20.9828577703865 77.5419221215607 4281455.61251085 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
1972-May-09 03:41 00:01 Earth 0.353614466415689 0.353613941718949 0.353614991172591 21.5919443471739 21.5915953723551 2441446.653234756 1.29875508635613 260.242219595621 12.0169258642661 84.8705767845393 3855349.36964204 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
1988-May-11 14:44 00:01 Venus 0.111103376761203 0.111099490732692 0.111107263060794 19.3915019241164 19.3904939682273 2447293.114159027 1.07422880966094 335.798409922339 12.4762562311143 54.8098740112331 1062785.19781523 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
1988-May-26 19:04 < 00:01 Earth 0.334465505135263 0.334464774172006 0.334466236137114 20.4110034445083 20.41061314247 2447308.294437934 0.967928174663342 200.755336415482 15.3016343784146 80.4870930300784 2917476.00358481 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
1999-Oct-17 14:56 < 00:01 Jupiter 1.67301498195252 1.67301367411195 1.67301628979319 7.95090646929986 7.88697302729767 2451469.122414566 0.28321491619246 126.196226743102 63.8527065786804 85.0913626928902 2313159.200239 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2001-Jan-24 19:51 < 00:01 Earth 0.390956278197961 0.390954203297696 0.390958353113316 27.5849442367716 27.5846971701939 2451934.327127645 0.276200342934094 160.248830743154 14.700194796396 50.0726851067987 2966786.18563785 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2004-May-20 13:47 < 00:01 Venus 0.0733019628215382 0.0733012573282598 0.0733026684102514 19.6786259745625 19.6771204938943 2453146.074196200 0.444938958187279 144.064949132637 11.5957024573403 76.6252302996328 898129.103614414 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2004-Jun-01 15:39 < 00:01 Earth 0.336581699136488 0.336581292233405 0.33658210604311 20.2754130352299 20.2750225934088 2453158.152243874 0.427239901871841 89.9612108059969 15.9019218313423 81.817553297696 2867092.97192829 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2012-Mar-14 08:18 < 00:01 Jupiter 1.69796149293698 1.69796019882406 1.69796278705107 7.32417075090292 7.25574143385856 2456000.846088112 0.307304096232737 122.975101821694 47.6733339535686 67.884713571931 2372519.27850619 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2017-Jan-18 07:19 < 00:01 Earth 0.494930958954078 0.494929745122672 0.494932172786609 31.6844492658464 31.6842793543605 2457771.804897593 0.139242452428004 71.4950195566487 12.4667422017807 32.7170140007126 3200975.52010604 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2020-May-18 11:02 < 00:01 Venus 0.0639249415265142 0.063924498295739 0.0639253847932959 19.3283941221186 19.3266365118548 2458987.959533703 0.243337484670848 88.422631574576 10.3453337752862 77.1483775793196 874869.810716359 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2020-May-28 23:09 < 00:01 Earth 0.3317730945228 0.331772852220743 0.331773336824952 20.2639288841488 20.2635325588575 2458998.464782027 0.235448840180249 51.3433103887942 11.8724586113367 -87.4267668863533 3646067.07050759 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2033-Jan-24 15:59 < 00:01 Earth 0.414860408672216 0.414858008525027 0.41486280883287 28.3561450527951 28.3559185545137 2463622.165745889 0.299243535386817 168.475438646789 13.5974441602736 44.9186584799144 3113559.65539721 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2036-May-31 18:12 < 00:01 Venus 0.115405506322904 0.115402216101525 0.115408796621928 21.687595700343 21.6867280600873 2464845.258335125 0.565026023613528 222.299748782009 16.0764137925666 -42.571557573306 714080.632556318 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2036-Jun-10 04:07 < 00:01 Earth 0.321824223201561 0.321823676329321 0.321824770091435 19.4937305445247 19.4933058238527 2464854.671192144 0.695539615409689 147.069004635311 15.5425051699338 81.1868492271461 2828164.8624694 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2047-Jul-29 14:50 < 00:01 Jupiter 1.31073694365405 1.31073637329374 1.31073751401808 6.19086076936836 6.08558296164166 2468921.118018102 0.344836971353697 137.402788055526 15.9838187294969 80.0148558865326 6346028.77586952 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2049-Jan-27 01:53 < 00:01 Earth 0.392737242673416 0.392733665043043 0.392740820348283 27.3409317571113 27.3406836158817 2469468.578585722 0.484524413057541 274.922697102216 14.5703909470356 49.6349126713171 2976605.26657857 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2052-Jun-13 08:22 00:01 Earth 0.316649868265212 0.316648972701404 0.3166507638893 19.2612416131693 19.2608047416919 2470701.848944566 1.10041350326678 238.084816610393 16.2289031068291 79.9123626421881 2734486.01977368 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2065-Feb-03 06:07 < 00:01 Earth 0.334048489977907 0.334045099099403 0.334051880983234 24.1325940986693 24.1322635755752 2475319.754769877 0.71595591757841 367.238023799734 15.7333731453206 62.6866099010778 2758170.24191789 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2068-Jul-04 15:17 00:01 Earth 0.288408096485043 0.288407525052519 0.288408668026096 19.1743050840449 19.1738232574895 2476567.136666472 1.26040480404895 342.865070808978 16.4533609674187 86.103704505425 2624908.90186706 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2081-Feb-15 04:55 00:01 Earth 0.294846058005055 0.294845376339651 0.294846739842167 20.0574479504246 20.0569973970624 2481175.705037368 1.13688808080348 409.777377870495 16.8299436275806 85.8637047003367 2643732.94313279 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2082-Dec-17 14:07 < 00:01 Jupiter 1.42029982536279 1.42029832532893 1.42030132539914 6.86736048398273 6.77996330360384 2481846.088001531 0.445280600600835 158.697260611322 53.9688276457905 70.5750480707881 2168212.7444795 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2084-Jul-20 02:19 00:01 Earth 0.303813715931297 0.303811911821143 0.303815520238948 21.902327132442 21.9019267097427 2482426.596572683 1.01524678888837 402.438911758857 15.6489001789396 -77.2730335785669 2762003.38934378 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2097-Feb-09 02:18 00:01 Earth 0.309530746539275 0.309528089838044 0.30953340349855 22.1418652957362 22.1414765208795 2487013.596092369 1.04112783274807 468.795684736995 17.6663081915639 73.7236667480534 2507376.9007581 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2100-Jul-09 20:49 00:01 Earth 0.29196596267658 0.291965599139393 0.291966326278111 19.6002119427762 19.5997463303917 2488259.367625076 1.46920446623376 436.116256048957 15.7422090633959 88.8170771730005 2764255.57438333 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2113-Feb-16 07:13 00:01 Earth 0.296947156470955 0.29694624065104 0.296948072552301 20.2879794696705 20.2875371878148 2492863.800764462 1.30406419638144 482.155924818647 18.3875464473571 85.0225604582817 2449394.0073105 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2116-Jul-16 21:07 00:01 Earth 0.295300997236489 0.295299703845035 0.295302290881998 20.8901691203008 20.8897371936746 2494110.379701346 1.2449201208507 449.811437225035 15.6185172728857 -81.9982692736238 2743990.2619224 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2129-Feb-04 03:05 < 00:01 Earth 0.338165519363753 0.338161462933985 0.338169575989859 24.385335696658 24.385012581619 2498695.628691010 0.861615254369841 455.333280905056 17.9433642128094 63.7151373606468 2489841.67489988 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2130-Sep-24 06:04 < 00:01 Jupiter 1.43179312699992 1.43179149237301 1.43179476162684 6.53152536559162 6.44031523575493 2499292.752855302 0.500205013814978 125.626008434106 78.3759244396886 80.1970796301771 1588751.31910317 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2132-Jul-04 10:22 00:02 Earth 0.297034085522063 0.297033279109718 0.297034892113011 19.0180978595983 19.0176261829499 2499941.931778149 1.50480925869227 396.083224409511 15.5943067755205 84.6251400587416 2854652.30809588 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2145-Feb-11 23:52 < 00:01 Earth 0.308630992458168 0.308628716108103 0.308633269015915 21.9387058952804 21.9383123762765 2504547.494120568 0.951350940194812 420.917637249072 19.5919772787207 74.5784412413541 2280004.36377028 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2148-Jul-13 22:02 00:01 Earth 0.294470973345129 0.294470380460751 0.294471566374799 20.1688764580378 20.1684278232056 2505795.417858063 1.15344721058558 380.810807653367 15.1322020760492 -86.172803490127 2852714.51306176 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2161-Feb-18 13:22 < 00:01 Earth 0.297624074409708 0.297623528387567 0.29762462050634 20.0726549252948 20.0722089155935 2510398.057138931 0.983220895038885 350.412867616928 20.1623901340591 87.0020035738674 2264126.79047399 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2161-Mar-25 14:12 00:01 Venus 0.110190594708207 0.110185807182441 0.110195382637348 19.7763182290718 19.7753217001239 2510433.091733522 1.23053378181089 409.632510115019 11.7708911048388 54.3837246427378 1103416.09433077 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2164-Jul-15 20:53 < 00:01 Earth 0.297148752980233 0.297148077795097 0.297149428269569 20.4943869515584 20.4939494212438 2511641.370000691 0.899951139285441 312.138034773937 15.0734336152116 -84.4588646721327 2865010.0330365 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2166-Feb-07 11:34 < 00:01 Jupiter 1.32279249394148 1.32279174336653 1.32279324451854 6.40035710942197 6.29951688189249 2512212.981844728 0.410148893104501 136.526675022148 28.1744713936681 79.8282129146962 4012222.23590191 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2177-Feb-09 14:46 < 00:01 Earth 0.319304162638917 0.319302065755798 0.31930625964259 22.8184952630595 22.8181295636538 2516233.115479583 0.697023642930844 332.191421609502 20.1712702767895 71.9755195174858 2257560.37333023 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2180-Jul-05 05:53 00:01 Earth 0.29903976876969 0.299039175696663 0.299040361932366 19.0406337276192 19.0401657691124 2517474.745342511 1.09942119580241 301.238777951706 15.0291413874006 85.1427097813925 2978457.27771051 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2193-Feb-08 02:50 < 00:01 Earth 0.331003329756104 0.331000914934799 0.331005744674196 23.6435021160068 23.643161651914 2522075.617832122 0.600304321004146 310.430318785496 19.7665554906943 67.4544565209175 2298500.73920888 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
2196-Jul-02 01:55 00:01 Earth 0.303222957709981 0.303222210592622 0.303223704909074 18.8871635202572 18.8866982675747 2523315.580124297 1.04149513205152 274.752454871263 15.2839730011833 82.8847286792126 2969993.45734956 T 55 CATAB v2.0f-lin.ifort 2020-Oct-17 08:42:51 2020-Oct-17 08:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-26 08:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin