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497135 (2004 QD20)
Classification: Apollo [NEO]          SPK-ID: 2497135
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 53 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6976176806640694 3.5884e-08  
a 2.173350100566459 1.4647e-08 au
q .657182644138264 7.6853e-08 au
i 17.53621240939032 6.8142e-06 deg
node 224.2083763483312 4.3613e-05 deg
peri 353.4154630656062 4.8252e-05 deg
M 5.338258969041844 1.0731e-05 deg
tp 2458983.146379256975
(2020-May-13.64637926)
3.4776e-05 TDB
period 1170.288572307773
3.20
1.1831e-05
3.239e-08
d
yr
n .3076164362522065 3.1097e-09 deg/d
Q 3.689517556994654 2.4865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      5856 days (16.03 yr)  
   first obs. used      2004-08-26  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53671  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-14 06:56:42  

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 0.316677368402355 0.316674019008692 0.316680718340548 17.9220636221171 17.9215941465415 2418007.479926295 3.23831392422242 679.693279524329 18.4251548235142 -75.857715048978 2487507.28954714 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
1911-Jun-15 05:21 00:03 Venus 0.12778576213974 0.127775527359321 0.12779599855825 19.3495980601168 19.3487197975225 2419202.723099945 2.947503656866 884.054971635568 15.8505920006251 54.7490554271638 968663.2838052 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
1911-Jul-29 17:57 00:01 Earth 0.355930428376757 0.355921533387421 0.355939323769606 26.2818318508396 26.2815470154416 2419247.248011835 1.35832745435015 744.704121739189 19.4035714008143 -53.4693562807282 2134735.80824117 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
1924-Mar-10 09:28 00:03 Earth 0.328184810999418 0.328181926785907 0.328187695580901 18.3389422786536 18.3384995630408 2423854.894755568 2.7670908892033 571.034400885937 18.5647126611826 -75.5287066218757 2493269.23782166 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
1927-Jul-25 19:18 00:01 Earth 0.318853401955135 0.318847689197873 0.318859115106211 24.3820098759797 24.381667143825 2425087.304437514 1.25993239301603 628.339063793803 19.0898743418485 -63.0913827134997 2170922.68149075 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
1929-Jan-01 14:30 < 00:01 Jupiter 1.39634953319437 1.39634755121206 1.3963515151766 6.3389261986262 6.24249868302525 2425613.104294329 0.686530057558964 146.126720439796 97.0021789555641 85.8385065350157 1389970.65879547 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
1940-Mar-23 18:16 00:02 Earth 0.337924147512266 0.337922546632016 0.337925748587119 19.4505831682579 19.450177785728 2429712.261383783 2.09939099961844 422.927885629829 18.191165057231 -79.3996258637793 2536340.60393535 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
1943-Jul-04 22:13 00:02 Venus 0.0735134428670451 0.0735066330118493 0.0735202541616343 20.1903302932252 20.1888671915911 2430910.425890622 1.72210545586908 615.753608571743 17.1744664335402 -56.5613578759026 530504.718303343 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
1943-Aug-06 01:46 < 00:01 Earth 0.443017757609719 0.443009943328587 0.443025572005406 29.6445310229327 29.6443281387807 2430942.573677549 0.888784885782095 527.574209072344 18.6455698463965 -42.4203892160372 2306622.94399203 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
1956-Apr-21 17:57 00:02 Earth 0.354701597771969 0.354701348074676 0.35470184747634 21.4920422025347 21.4916926800986 2435585.248092180 1.59927516841763 313.065511610317 12.0471179383867 -89.4237989674309 3875062.78258039 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
1964-May-28 01:02 < 00:01 Jupiter 1.31442426412363 1.31442344012339 1.31442508812941 6.35152320425336 6.24924279988264 2438543.543279103 0.513148254513785 165.173388064129 21.1841021238602 77.9338200535189 4280274.17037682 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
1972-May-09 03:41 00:01 Earth 0.353614472105532 0.353613946965323 0.353614997306686 21.5919461649737 21.5915971901899 2441446.653208691 1.31046537573026 263.558573247925 12.3014751849571 84.9623228293044 3780745.14547566 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
1988-May-11 14:44 00:01 Venus 0.111103603628338 0.111099657566948 0.111107549967572 19.391504746846 19.3904967931618 2447293.114134372 1.08378782169172 340.34304174662 13.1540795690533 54.7377851630123 1006679.90511122 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
1988-May-26 19:04 < 00:01 Earth 0.334465502199851 0.334464770850502 0.334466233588004 20.4110068120154 20.410616510038 2447308.294411163 0.977544282453228 203.226853607426 16.0069054954268 80.6919557101612 2817671.34861367 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
1999-Oct-17 14:56 < 00:01 Jupiter 1.67301501720971 1.67301370774424 1.67301632667528 7.95090716793384 7.88697373294773 2451469.122440777 0.296688918658087 140.82975920295 63.9063645031817 85.6917451646261 2307311.50972941 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2001-Jan-24 19:51 < 00:01 Earth 0.390956433572077 0.390954314511378 0.390958552648021 27.5849488287612 27.5847017623228 2451934.327111777 0.282937333025981 162.371422008293 16.346027526117 49.7420343613545 2655850.70173396 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2004-May-20 13:47 < 00:01 Venus 0.0733020112630701 0.073301296432314 0.0733027261941779 19.6786267417882 19.6771212621736 2453146.074180135 0.450252246244813 147.666184968406 11.7774456800015 76.786217407363 886103.073823331 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2004-Jun-01 15:39 < 00:01 Earth 0.336581684396473 0.336581275360331 0.336582093435887 20.2754162323188 20.2750257905422 2453158.152224294 0.433758752782535 91.6671114659547 16.5324725849535 82.3867906438018 2789147.93488914 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2012-Mar-14 08:18 < 00:01 Jupiter 1.69796163108644 1.69796028190751 1.69796298026701 7.3241703900753 7.25574107522175 2456000.846127371 0.324488066260436 138.198866519569 48.2553690220251 69.1119179995803 2368619.02001131 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2017-Jan-18 07:19 < 00:01 Earth 0.494931151969293 0.494929860819896 0.494932443119815 31.684454808583 31.6842848971931 2457771.804881171 0.149122027072081 74.9845854572852 13.5556240618903 31.4115121046311 2854532.74638974 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2020-May-18 11:02 < 00:01 Venus 0.0639250239278953 0.063924545753019 0.0639255021464452 19.328394639188 19.3266370312369 2458987.959508733 0.256115359661714 95.8564974960589 10.5176083062818 77.019689885504 859939.57957309 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2020-May-28 23:09 < 00:01 Earth 0.331773087929622 0.33177283926918 0.331773336590214 20.2639323080335 20.2635359828012 2458998.464754558 0.251253621853384 55.8293816477796 12.1484200444797 -87.3886904248507 3572220.06312195 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2033-Jan-24 15:59 < 00:01 Earth 0.414860792517089 0.414858250574397 0.414863334474238 28.3561590356259 28.3559325376657 2463622.165711859 0.317238932466646 176.597097089117 14.8308866577923 44.3269361097517 2824606.29968907 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2036-May-31 18:12 < 00:01 Venus 0.115404984048563 0.115401502226445 0.11540846595608 21.6875818752098 21.6867142304743 2464845.258278350 0.592306636833028 234.274499193869 16.7263793139463 -42.3065081638429 684432.420333485 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2036-Jun-10 04:06 < 00:01 Earth 0.321824274489726 0.321823713388131 0.321824835610876 19.4937379825713 19.493313262129 2464854.671119726 0.731414551546396 154.712982928639 15.9275194324729 81.4034073538422 2781459.0409597 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2047-Jul-29 14:50 < 00:01 Jupiter 1.31073704258248 1.31073641591676 1.31073766925318 6.1908609891776 6.08558319326813 2468921.118034412 0.350890663276981 154.181629243654 16.4864899610561 80.0062389151641 6194170.88520885 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2049-Jan-27 01:53 < 00:01 Earth 0.392737759303117 0.392734009870391 0.392741508783327 27.3409523661779 27.3407042254617 2469468.578537667 0.506985580784457 285.794568587857 16.1801268642398 49.2471640332886 2665101.86612669 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2052-Jun-13 08:22 00:01 Earth 0.316649956143766 0.316649038082843 0.316650874269829 19.2612506740818 19.2608138029312 2470701.848842129 1.145780498412 247.498165214981 16.6953268234165 80.0595858219508 2684688.44921819 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2065-Feb-03 06:07 < 00:01 Earth 0.334048965558987 0.334045424133825 0.334052507118683 24.1326189029846 24.1322883807008 2475319.754705132 0.74356581379927 379.561572501143 17.6365339130544 62.3908646795385 2456423.28779291 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2068-Jul-04 15:17 00:01 Earth 0.288408147813388 0.28840756383419 0.288408731909936 19.1742983767983 19.17381655016 2476567.136553706 1.30810783631613 353.935505905779 16.5694076827475 86.1150857262975 2611560.59501162 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2081-Feb-15 04:55 00:01 Earth 0.294846207301476 0.294845453754416 0.294846961027601 20.0574678727684 20.0570173200818 2481175.704943960 1.17318691174607 421.845284603644 19.0272681661102 85.590281294133 2350153.03545259 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2082-Dec-17 14:07 < 00:01 Jupiter 1.42029999957733 1.42029845550808 1.4203015436498 6.8673616009044 6.77996444571247 2481846.088001406 0.446759647775317 175.238065082541 54.9459549186353 71.9242574692208 2136563.54183242 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2084-Jul-20 02:19 00:01 Earth 0.303813543291111 0.303811700035161 0.303815386755784 21.902307976191 21.901907552914 2482426.596485510 1.05029194962394 413.42733107711 15.7833511101612 -77.3388588584201 2731402.01301275 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2097-Feb-09 02:18 00:01 Earth 0.309531095269956 0.309528335887161 0.309533854921212 22.1418894298076 22.1415006558126 2487013.596015865 1.06807042975375 479.691124927106 20.1758986418355 73.5008092169745 2197607.88079825 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2100-Jul-09 20:49 00:02 Earth 0.291965983470318 0.291965615364148 0.291966351646989 19.6002020373577 19.5997364247711 2488259.367516735 1.50774711062127 445.438689953612 15.8088781915393 88.7981898881926 2747991.08866646 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2113-Feb-16 07:13 00:01 Earth 0.296947325733645 0.29694634145233 0.296948310278719 20.2879980773919 20.2875557961941 2492863.800681219 1.33087288171225 491.322290147036 21.1183931441652 84.8213206387295 2140715.63495953 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2116-Jul-16 21:07 00:01 Earth 0.295300909253483 0.295299600042329 0.295302218727857 20.890155050246 20.8897231232002 2494110.379617293 1.27265285818562 457.623031622918 15.7051131313234 -82.0357294428695 2719704.93851128 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2129-Feb-04 03:05 < 00:01 Earth 0.33816590083962 0.338161759470903 0.338170042409116 24.3853538096423 24.3850306952078 2498695.628642404 0.875989569422766 461.735872391423 20.6639623684761 63.5474485600133 2161142.65665097 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2130-Sep-24 06:04 < 00:01 Jupiter 1.43179318201961 1.43179151255506 1.43179485148424 6.5315252588078 6.44031513098856 2499292.752868958 0.508780347138031 141.082971523348 79.4374161510671 80.1673862119493 1570578.62347392 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2132-Jul-04 10:22 00:02 Earth 0.297034130504718 0.297033313157756 0.297034948035417 19.0180971107152 19.0176254341197 2499941.931693576 1.52988721425465 401.27806916188 15.7041592696279 84.6167095926786 2839423.19611465 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2145-Feb-11 23:51 < 00:01 Earth 0.308631232053189 0.308628898061925 0.308633566254292 21.9387182640921 21.9383247456156 2504547.494076680 0.963063270575208 425.445114750523 22.7832932831742 74.4156368773833 1962307.64529103 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2148-Jul-13 22:02 00:01 Earth 0.294470961038691 0.294470366640503 0.294471555584748 20.1688714518869 20.1684228169246 2505795.417802118 1.16878172539712 384.561813498369 15.2146269361147 -86.2044242572429 2822423.87411381 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2161-Feb-18 13:22 < 00:01 Earth 0.297624200105492 0.297623591598551 0.297624808679225 20.0726600941809 20.0722140847828 2510398.057108010 0.990863102727898 352.888872132758 23.5077309106229 86.8766547663007 1948026.2565854 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2161-Mar-25 14:12 00:01 Venus 0.110190865514964 0.110186029897919 0.110195701541701 19.7763225917032 19.7753260654243 2510433.091703344 1.23890012315525 413.165202018627 12.3148319692907 54.3282301816719 1052888.85834761 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2164-Jul-15 20:53 < 00:01 Earth 0.297148754538363 0.297148077129851 0.297149432052359 20.4943857619948 20.4939482316571 2511641.369967534 0.908078419073725 314.38601614438 15.1929676418631 -84.4868586616423 2825317.42430355 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2166-Feb-07 11:34 < 00:01 Jupiter 1.32279256661635 1.32279180151749 1.32279333171793 6.40035772093441 6.29951750877834 2512212.981875739 0.427180258076736 150.369981723782 28.5086133584383 80.5635037391895 3962603.9372334 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2177-Feb-09 14:46 < 00:01 Earth 0.31930427700564 0.319302160931989 0.3193063931995 22.8184948082784 22.8181291089964 2516233.115474973 0.701175555781517 334.10482392648 23.6400234955443 72.0268163483877 1928264.99572422 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2180-Jul-05 05:53 00:01 Earth 0.299039757828206 0.299039155644478 0.299040360104168 19.0406382538938 19.0401702954812 2517474.745339063 1.10693741871208 304.484085587849 15.1023512122414 85.1031989957632 2958387.77019324 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2193-Feb-08 02:50 < 00:01 Earth 0.331003332005071 0.331000902578833 0.331005761529958 23.6434940424094 23.6431535782026 2522075.617846775 0.60752682916866 314.515408159622 23.0415571624847 67.7179361207182 1976237.0224317 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
2196-Jul-02 01:55 00:01 Earth 0.303222906763085 0.303222137659148 0.30322367595341 18.8871690104586 18.8867037578332 2523315.580156107 1.05725763307888 281.229139279272 15.3817052856164 82.8120294432278 2954475.37989066 T 53 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:44 2020-Sep-14 06:57
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