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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 57 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6976248569873523 3.5403e-08  
a 2.17223301164665 1.3707e-08 au
q .6568292675534501 7.586e-08 au
i 17.53957661106314 6.2272e-06 deg
node 224.1918393459427 3.9096e-05 deg
peri 353.4023762103661 4.3e-05 deg
M 127.2598906597972 1.0738e-05 deg
tp 2458983.122260543556
(2020-May-13.62226054)
3.2545e-05 TDB
period 1169.386406296297
3.20
1.1069e-05
3.031e-08
d
yr
n .3078537582288125 2.914e-09 deg/d
Q 3.68763675573985 2.327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      5895 days (16.14 yr)  
   first obs. used      2004-08-26  
   last obs. used      2020-10-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-19 06:20:15  

Additional Information
 Earth MOID = .284954 au 
 Jupiter MOID = 1.30652 au 
 T_jup = 3.278 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458571.5 (2019-Mar-29.0) TDB
Reference: JPL 57 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6977198469676479 3.5034e-08  
q .6569961820920982 7.5924e-08 au
tp 2458983.102971603997
(2020-May-13.60297160)
3.2551e-05 TDB
node 224.2177463250602 3.9083e-05 deg
peri 353.4167814348596 4.3005e-05 deg
i 17.53941765290375 6.2132e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      5895 days (16.14 yr)  
   first obs. used      2004-08-26  
   last obs. used      2020-10-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-19 06:20:15  

Additional Information
 Jupiter MOID = 1.30652 au 
 T_jup = 3.278 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.227388334448249E-15 -2.657233821479304E-15 3.593179339616831E-13 -2.758608721102916E-13 2.602583784738175E-13 -7.297656917771713E-15
q -2.657233821479304E-15 5.764420720835997E-15 -7.632774916961234E-13 5.889113735683551E-13 -5.536109880228208E-13 1.478340558014127E-14
tp 3.593179339616831E-13 -7.632774916961234E-13 1.059592363081501E-9 -6.135822297376746E-10 9.053096212104744E-10 -1.13856579384358E-10
node -2.758608721102916E-13 5.889113735683551E-13 -6.135822297376746E-10 1.527512415659489E-9 -1.63163270627633E-9 1.911817004015902E-11
peri 2.602583784738175E-13 -5.536109880228208E-13 9.053096212104744E-10 -1.63163270627633E-9 1.84938811133634E-9 -5.498746512317525E-11
i -7.297656917771713E-15 1.478340558014127E-14 -1.13856579384358E-10 1.911817004015902E-11 -5.498746512317525E-11 3.860380087161143E-11

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 18.12   n/a E2021B25  

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 0.316677079749927 0.316673727296698 0.316680432750873 17.9220564657629 17.9215869895718 2418007.479786880 3.24309542943521 680.615220132266 15.9784717226602 -75.8432813236814 2825716.28185758 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
1911-Jun-15 05:21 00:03 Venus 0.127786247007599 0.127776006619758 0.127796489036661 19.3496042758961 19.3487260169165 2419202.722981362 2.95129017738696 884.736603858036 14.5903347565532 54.7560809921914 1052160.56333036 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
1911-Jul-29 17:57 00:01 Earth 0.355929943025704 0.355921034502585 0.355938851953813 26.2818078609779 26.2815230249314 2419247.247964986 1.35896282119263 745.967229666023 19.3487468590419 -53.4765302288273 2140337.1078544 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
1924-Mar-10 09:28 00:03 Earth 0.328184634641467 0.328181753178117 0.328187516473574 18.3389374059537 18.3384946899853 2423854.894689818 2.76506960480499 570.477301827125 16.1522119517905 -75.5000381209541 2835277.53266297 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
1927-Jul-25 19:18 00:01 Earth 0.318853251635509 0.318847543134012 0.318858960530584 24.3819991479691 24.381656415502 2425087.304419931 1.25736155679605 628.090917565711 19.0349121080394 -63.1013519383978 2176518.04068329 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
1929-Jan-01 14:30 < 00:01 Jupiter 1.3963493367044 1.39634737814162 1.39635129526711 6.3389263959554 6.24249887026562 2425613.104222808 0.678204835744415 131.214962413913 96.0969651212972 -88.4427573711121 1414336.97832762 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
1940-Mar-23 18:16 00:02 Earth 0.337924086813393 0.337922492251039 0.337925681570869 19.4505835483125 19.4501781657175 2429712.261391735 2.09233773864379 421.026162408454 16.061045099138 -79.333046137989 2874053.82271027 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
1943-Jul-04 22:13 00:02 Venus 0.0735136231068373 0.0735068537558758 0.0735203938865481 20.1903324632954 20.1888693654059 2430910.425908233 1.71558087445944 612.994858473576 16.1336673592737 -56.6135594366459 563087.267185808 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
1943-Aug-06 01:46 < 00:01 Earth 0.443017882554832 0.443010092708035 0.443025672515504 29.6445350683475 29.6443321842803 2430942.573693172 0.883542200044906 525.965960093569 18.6285228589022 -42.4254790365046 2309134.61697677 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
1956-Apr-21 17:57 00:02 Earth 0.354701573674132 0.354701329739889 0.354701817616098 21.4920427999806 21.4916932775304 2435585.248143204 1.58959966287765 310.136987018087 11.7241566899047 -89.4008928344178 3991548.47330691 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
1964-May-28 01:02 < 00:01 Jupiter 1.314424102657 1.31442332085531 1.3144248844631 6.35152266807312 6.2492422428293 2438543.543241022 0.502909011405382 149.504072517036 20.9732399720611 77.528040963491 4283527.90916426 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
1972-May-09 03:41 00:01 Earth 0.353614456997491 0.353613931900842 0.353614982154441 21.5919436569528 21.5915946821135 2441446.653255086 1.29962220167196 260.398376192624 11.9988833041489 84.866660135682 3861021.0412426 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
1988-May-11 14:44 00:01 Venus 0.111103316501396 0.111099430590554 0.111107202683306 19.3915014502166 19.3904934937562 2447293.114171400 1.07428978046724 335.788570626567 12.4729291843451 54.809887152508 1063046.24201102 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
1988-May-26 19:04 < 00:01 Earth 0.334465494604702 0.33446476342821 0.334466225819847 20.4110027733201 20.4106124712566 2447308.294448434 0.967989490786901 200.763856299468 15.2741289929052 80.480516743024 2922457.74934325 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
1999-Oct-17 14:56 < 00:01 Jupiter 1.67301498695842 1.67301367968312 1.67301629423382 7.95090653736294 7.88697309645918 2451469.122409069 0.283143068382401 125.975511469247 63.8014583583014 84.9978282895372 2315589.24327585 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2001-Jan-24 19:51 < 00:01 Earth 0.390956263893122 0.390954190013315 0.390958337787997 27.5849435549517 27.5846964883588 2451934.327128760 0.275984382569546 160.177780794745 14.6979722266959 50.0752266664107 2967280.38907357 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2004-May-20 13:47 < 00:01 Venus 0.0733019631365052 0.0733012578511439 0.0733026685171638 19.678626054719 19.6771205740634 2453146.074196739 0.44468210725153 143.952007271955 11.5845208163261 76.6174650832088 898950.515284779 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2004-Jun-01 15:39 < 00:01 Earth 0.336581700152337 0.336581293339865 0.336582106968349 20.2754130556928 20.2750226138732 2453158.152244207 0.427004158216973 89.9109232868376 15.8779389289088 81.7981899132686 2871058.21291809 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2012-Mar-14 08:18 < 00:01 Jupiter 1.69796139955908 1.69796010900938 1.69796269010985 7.32417081786243 7.25574149804842 2456000.846081184 0.307298035833788 122.731080237369 47.6279196593578 67.9530903009156 2374109.41534114 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2017-Jan-18 07:19 < 00:01 Earth 0.494930961482565 0.494929750775442 0.494932172190813 31.6844493340918 31.6842794226071 2457771.804897169 0.138772813249444 71.2932190622774 12.4603881413532 32.6964566417323 3201467.5889149 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2020-May-18 11:02 < 00:01 Venus 0.0639249400817109 0.0639244980568584 0.0639253821422681 19.3283941401534 19.3266365298514 2458987.959533614 0.242515436178306 88.1140421176935 10.3407899594847 77.1461444063083 875231.896321602 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2020-May-28 23:09 < 00:01 Earth 0.331773093645438 0.331772851465946 0.331773335825043 20.2639289280151 20.2635326027234 2458998.464781996 0.23467258199866 51.1626267740535 11.8681168012054 -87.4286903723288 3647180.28400893 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2033-Jan-24 15:59 < 00:01 Earth 0.414860174419816 0.414857779360069 0.414862569492957 28.3561346070365 28.3559081085437 2463622.165764930 0.298468525860843 168.102907998689 13.5928243550635 44.9140212218808 3114354.06910957 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2036-May-31 18:12 < 00:01 Venus 0.115405919460487 0.115402636596056 0.115409202402248 21.6876101871764 21.6867425506064 2464845.258386226 0.563848084687635 221.827517575025 16.0673340159293 -42.5790411360817 714593.816933061 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2036-Jun-10 04:07 < 00:01 Earth 0.32182413097418 0.321823584458438 0.321824677507465 19.4937256759565 19.4933009550565 2464854.671256527 0.694130099903847 146.767544067435 15.5329801895441 81.1744282770501 2829688.76124601 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2047-Jul-29 14:50 < 00:01 Jupiter 1.31073692918678 1.31073636021781 1.31073749815946 6.19086092746435 6.0855831218872 2468921.118049238 0.344737846279282 137.172620164294 15.9642813280656 80.0283349664754 6348069.51845517 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2049-Jan-27 01:53 < 00:01 Earth 0.392736553128304 0.392732980370481 0.392740125930507 27.3408993304921 27.3406511885325 2469468.578649767 0.483744530062014 274.545512389025 14.5665130230729 49.6346317130267 2977326.99467605 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2052-Jun-13 08:23 00:01 Earth 0.31664964702126 0.316648751622323 0.316650542480369 19.2612307180848 19.260793846055 2470701.849109779 1.09923299896564 237.840979440934 16.2124401584193 79.902502207892 2736972.55164453 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2065-Feb-03 06:07 < 00:01 Earth 0.33404773613042 0.334044345853374 0.334051126534269 24.1325454427004 24.1322149181939 2475319.754881758 0.715726954427504 367.194175637809 15.7280221756182 62.6882956273557 2759022.80925149 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2068-Jul-04 15:17 00:01 Earth 0.288407966671587 0.288407394754875 0.288408538697058 19.1743247679917 19.173842941714 2476567.136868555 1.26049395722178 342.948649789058 16.4413799365945 86.0982886613737 2626492.22831108 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2081-Feb-15 04:56 00:01 Earth 0.294845951938448 0.294845270110665 0.29484663393844 20.0574055796061 20.0569550251299 2481175.705215717 1.1380910659553 410.260687805595 16.8216179742835 85.8666264311581 2644766.62054209 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2082-Dec-17 14:07 < 00:01 Jupiter 1.42029962506601 1.42029812285601 1.42030112727852 6.8673596373976 6.77996243418715 2481846.088067627 0.445856050091129 158.586487505807 53.9634542596799 70.4933711705248 2167669.96466461 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2084-Jul-20 02:19 00:01 Earth 0.303814119411603 0.303812312730356 0.30381592629104 21.9023709254052 21.9019705040384 2482426.596726176 1.01666356636828 403.110901732007 15.644181917658 -77.2755362175905 2762765.18267453 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2097-Feb-09 02:19 00:01 Earth 0.309530222914138 0.309527559010695 0.309532887077191 22.1418133461243 22.1414245696976 2487013.596240548 1.04404422915203 470.158950974688 17.6537524818275 73.7260053846576 2508936.45587599 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2100-Jul-09 20:50 00:01 Earth 0.291965914911845 0.291965551013298 0.29196627887583 19.6002401737835 19.5997745619935 2488259.367830785 1.47394494415562 437.5843088801 15.7320649303159 88.8139749177477 2765599.36181274 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2113-Feb-16 07:13 00:01 Earth 0.296947014492848 0.296946095340263 0.296947933909901 20.2879379735811 20.2874956906093 2492863.800933539 1.31035008347423 484.508012500801 18.3708684093312 85.02439536707 2451238.75147211 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2116-Jul-16 21:07 00:01 Earth 0.295301223937959 0.295299924343933 0.295302523788961 20.890205541926 20.8897736163844 2494110.379857958 1.25150239724914 452.249238841722 15.6125572914643 -82.0007427483743 2744837.17943622 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2129-Feb-04 03:05 < 00:01 Earth 0.338164872544941 0.338160785872259 0.338168959416941 24.3852941270622 24.3849710108543 2498695.628788256 0.868036959235885 458.755194966085 17.9267130811376 63.7153147527318 2491930.32461098 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2130-Sep-24 06:04 < 00:01 Jupiter 1.43179316856235 1.43179152905814 1.43179480806657 6.53152576915014 6.44031564820265 2499292.752909452 0.502757111629134 125.43817447012 78.7376385523267 80.4953897863038 1582870.45980973 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2132-Jul-04 10:22 00:02 Earth 0.297033956270575 0.297033143996157 0.297034768727075 19.0181082209499 19.0176365443532 2499941.931944941 1.51715334122424 399.346611790113 15.578446814223 84.6225914741079 2856624.8700083 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2145-Feb-11 23:52 < 00:01 Earth 0.308630705941173 0.308628404392769 0.308633007702118 21.938677615276 21.9382840953994 2504547.494206739 0.962066622824982 425.647955081225 19.5688429163227 74.5756425316587 2282345.75172074 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2148-Jul-13 22:02 00:01 Earth 0.294471031180055 0.294470433360477 0.294471629149376 20.1688952390596 20.1684466047332 2505795.417958839 1.16753073548728 385.406458063373 15.1250564397162 -86.1752922984292 2853653.52170922 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2161-Feb-18 13:22 < 00:01 Earth 0.297624031791646 0.297623480942836 0.297624582719261 20.072638830497 20.072192820374 2510398.057212953 0.999500497374721 356.165452187449 20.1387493924026 86.9890335055575 2266282.74127332 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2161-Mar-25 14:12 00:01 Venus 0.110190074750264 0.110185207670516 0.110194942246922 19.7763113357012 19.7753148017034 2510433.091827367 1.25082061400122 416.433727083279 11.7675341787067 54.3820519147617 1103668.4828676 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2164-Jul-15 20:53 < 00:01 Earth 0.297148808882872 0.297148124566647 0.29714949330774 20.4944004437445 20.4939629138002 2511641.370066123 0.916276640880335 317.598725995943 15.0679299575043 -84.4619126535816 2865711.72740337 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2166-Feb-07 11:34 < 00:01 Jupiter 1.32279253346917 1.3227917760051 1.32279329093542 6.40035732882701 6.29951710840864 2512212.981882354 0.413988631502372 136.962795901372 28.2614617635813 79.6852965487965 3987414.29677386 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2177-Feb-09 14:46 < 00:01 Earth 0.319304065415648 0.319301919093217 0.319306211864115 22.8184875546997 22.818121855059 2516233.115501387 0.712809225262618 339.449919377159 20.1783317716592 71.9292406778792 2255904.58598052 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2180-Jul-05 05:53 00:01 Earth 0.299039746243805 0.299039144790489 0.299040347791615 19.0406352499842 19.0401672914795 2517474.745368775 1.12523244044699 307.668804638266 15.0141978379605 85.1525019284791 2980474.72294029 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2193-Feb-08 02:50 < 00:01 Earth 0.331003336861023 0.331000854676759 0.331005819146834 23.6435029681651 23.6431625040918 2522075.617831473 0.616097064477781 317.979599713446 19.8634064655918 67.3585589524741 2285599.3353034 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
2196-Jul-02 01:55 00:01 Earth 0.303222956095225 0.303222197642704 0.303223714633719 18.8871630663807 18.8866978136844 2523315.580118739 1.0684808100639 280.865577620747 15.2729470724177 82.9124360313109 2972505.44108437 T 57 CATAB v2.0g-lin.ifort 2021-Aug-19 06:20:16 2021-Aug-19 06:20
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