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488453 (1994 XD)
Classification: Apollo [NEO, PHA]          SPK-ID: 2488453
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 71 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7339559873832214 5.5602e-09  
a 2.346987395860463 1.6514e-09 au
q .6244019443557213 1.3363e-08 au
i 4.309956862603774 1.1248e-05 deg
node 96.14470340707474 6.9492e-05 deg
peri 249.3873721044209 6.8435e-05 deg
M 152.4805205655697 1.1039e-06 deg
tp 2458840.241797585381
(2019-Dec-22.74179759)
3.4781e-06 TDB
period 1313.30187047171
3.60
1.3861e-06
3.795e-09
d
yr
n .2741182420388206 2.8932e-10 deg/d
Q 4.069572847365205 2.8635e-09 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   # delay obs. used      6  
   # Doppler obs. used      2  
   data-arc span      8075 days (22.11 yr)  
   first obs. used      1994-12-01  
   last obs. used      2017-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37435  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:25:00  

Additional Information
 Earth MOID = .0201091 au 
 Jupiter MOID = 1.38206 au 
 T_jup = 3.127 
[ 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 19.1   n/a MPO264917  
rotation period rot_per 2.7365 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2013) Minor Planet Bull. 40, 94-98.]

488453 (1994 XD)          Discovered 1994-Dec-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-05-15

[ 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
1904-May-31 22:08 < 00:01 Earth 0.170428809604903 0.170428228662273 0.17042939054762 26.0588647889122 26.0582648336689 2416632.421930222 0.0397990317356917 29.5583488693895 5.31018353336039 -11.6527678773242 1249713.78995101 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1909-Sep-07 01:22 < 00:01 Jupiter 1.99311062458341 1.99311007232636 1.99311117684239 7.12666476438811 7.06678146962289 2418556.556615923 0.0815507771885647 128.482608513218 16.976695055776 80.3474905940186 8345680.71281771 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1911-Nov-22 17:00 < 00:01 Earth 0.0873884696189779 0.0873875586498227 0.0873893805900158 18.6155823256922 18.613944375454 2419363.208152288 0.102873821634149 49.8908878490321 9.07698428363639 -24.8624205075127 669400.891618651 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1915-Jun-07 10:21 < 00:01 Venus 0.0603864914628008 0.0603856269600368 0.0603873559655717 14.5206152074201 14.518138463125 2420655.931255807 0.33043494698103 43.1190003498147 11.5161107564524 1.16011342408744 217569.837131797 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1920-Dec-03 22:57 < 00:01 Jupiter 1.51966928594645 1.51966877018015 1.5196698017163 5.60884996838541 5.50857986443622 2422662.456327035 0.130730917104395 130.847637374573 10.2341124713471 79.6080877000734 9833525.60363495 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1922-Aug-10 20:49 < 00:01 Earth 0.356274062643994 0.356273802730688 0.356274322557361 18.3721237669057 18.3717166926854 2423277.367321020 0.193053900255816 14.8735752174881 7.03223750682714 -33.8359608369552 4022550.37544889 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1929-Dec-21 12:03 < 00:01 Earth 0.443554045220383 0.443553524498849 0.443554565942043 34.5190825258922 34.5189085024867 2425967.001941338 0.0404574761042146 28.4173426614352 9.03795760410527 25.3750585133384 3660178.90011981 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1940-Aug-23 03:33 < 00:01 Earth 0.380772697340374 0.380772657948121 0.380772736732865 19.701461015764 19.7011058328732 2429864.648249466 0.0296565763349063 18.4644156425396 1.20372209726012 85.1670826462165 40937632.7872297 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1944-Mar-14 18:50 < 00:01 Venus 0.0518326507692582 0.0518322903853761 0.0518330111532287 20.0651009995614 20.0630129212911 2431164.284677441 0.0408536912355111 18.4538752772651 10.7664388456984 16.259255606864 438814.382913398 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1947-Dec-23 04:26 < 00:01 Earth 0.470096837607775 0.470096494970301 0.470097180245276 35.3048603096725 35.3046997666197 2432542.684784286 0.0209818056928356 18.4281161336003 8.44991632926607 -24.9349062212793 4757609.59242217 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1956-Oct-19 09:15 < 00:01 Jupiter 1.3891923299462 1.38919174447072 1.38919291542673 4.98651507687822 4.8627036324964 2435765.885658629 0.079015922349567 138.567090644254 3.06433380054774 77.9738769166938 46373165.5248388 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1958-Sep-21 03:44 < 00:01 Earth 0.366442466037092 0.366442407159865 0.366442524914569 19.0804446474169 19.0800635619336 2436467.655893574 0.025779075861756 19.9641974749526 1.98059546811283 83.7366405491019 23037724.3403261 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1969-May-31 06:11 < 00:01 Earth 0.203556620885753 0.203556479330277 0.203556762441241 27.1060923052114 27.1056093975677 2440372.757745719 0.00682462263050001 7.51279322791131 4.05907632358474 24.0081912102714 4667985.9815149 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1969-Jul-30 14:39 < 00:01 Venus 0.0603857470419107 0.0603856720883611 0.0603858219957006 15.0781510718036 15.0757658939773 2440433.110239448 0.0258013922998522 18.1533147149894 3.51791515811981 85.9336003495022 2645478.84702005 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1976-Oct-15 00:46 < 00:01 Earth 0.322277840803999 0.32227775110997 0.322277930498137 16.7138258617512 16.7133311952906 2443066.532120088 0.0567300113044665 16.3111414494489 3.53195706536467 -80.0791566519447 10807278.5366445 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1987-May-26 20:06 < 00:01 Earth 0.300932452575275 0.300932078925717 0.300932826224834 29.9778626750443 29.9775673197189 2446942.337258929 0.0240417818442825 18.6451684110231 4.83324956459681 2.20491034274071 2359081.93771499 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1992-Sep-07 10:41 < 00:01 Jupiter 1.8514727181901 1.85147200714795 1.85147342923551 6.57837203677211 6.50845657725621 2448872.944867839 0.0417388586884981 136.202778869683 11.7721409516893 75.9205339431092 11348331.4280888 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1994-Sep-17 10:36 < 00:01 Venus 0.0756947056565202 0.0756945439337445 0.0756948673802898 14.1575279048662 14.155501402579 2449612.941350536 0.0974335843826807 21.1766593651511 5.77011302268074 73.9478298840876 1884637.1139396 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1994-Oct-19 02:17 < 00:01 Earth 0.298732410038875 0.298732254510845 0.29873256556705 15.9125162167859 15.9119556868596 2449644.595128654 0.0898605772923147 15.7398472822795 5.2362628509441 -67.3327323497348 6513445.66007555 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
1998-Aug-13 06:20 < 00:01 Mars 0.0487843640280871 0.0487838381807031 0.0487848898756652 16.7118868246234 16.7115356649616 2451038.763911058 0.014822580193159 26.758862033125 11.2095762701514 12.6803129966719 302697.283964783 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2003-Nov-30 21:34 < 00:01 Jupiter 1.66812608255528 1.66812577819229 1.66812638692064 6.13826733273548 6.05498043679214 2452974.398898166 0.0818867981311808 133.14960415754 9.75020655417766 84.9037001064336 11557665.423903 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2005-Jun-17 04:46 < 00:01 Earth 0.0732738166821078 0.0732736221840852 0.0732740111801429 19.1101767950701 19.1082738753729 2453538.698720959 0.0155085256010251 9.91647619511654 6.9631395747378 17.0080395745477 1184509.71211046 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2012-Nov-27 12:20 < 00:01 Earth 0.0518389103473212 0.0518389007731526 0.0518389199215016 20.0296233447573 20.0270570204738 2456259.013759258 0.00296923668532319 7.62491796020634 0.471747087245886 89.4484758968 16069007.7935799 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2019-Dec-28 12:00 < 00:01 Venus 0.0966957833985841 0.0966957004232197 0.0966958663739815 14.7310082769012 14.7294836927174 2458846.000114598 0.0518000139812124 19.0375078601907 4.09105782328267 88.0934761829342 3393836.9890172 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2023-Jun-12 00:53 < 00:01 Earth 0.0211424514778189 0.0211423314141047 0.0211425715415428 21.4724799306409 21.4666099837149 2460107.536712306 0.0225096256219679 9.9459593681195 5.9632604349112 86.1547995887958 528572.498684817 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2030-Nov-09 08:35 < 00:01 Earth 0.220175980621117 0.220174687757721 0.220177273484514 15.0733426769187 15.0725398084329 2462814.857344603 0.324200325287104 64.4737107318982 5.98381993981623 0.510569763355379 549972.575556735 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2039-Oct-01 23:57 < 00:01 Jupiter 1.36674776379954 1.3667472064057 1.36674832119759 4.92966392109109 4.8023030710406 2466063.497911735 0.165915287089451 135.695195079236 11.0397060124096 79.0989963793436 11171729.6067926 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2041-Jun-13 06:25 < 00:01 Earth 0.0153390409832409 0.0153383850764829 0.0153396975053685 21.0304775116042 21.0222161748618 2466683.767226710 0.306055318339359 160.399491519179 7.14756457090511 78.5041702845721 314308.095449034 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2045-Feb-16 01:50 00:05 Venus 0.0487243383787558 0.0487065791757031 0.0487420976235834 15.280066611017 15.2771495923812 2468027.576464349 4.95896903505546 888.435520338019 18.3850610115539 4.56427119938942 33400.7796448769 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2048-Nov-21 20:35 00:04 Earth 0.121063442623981 0.121035298504202 0.121091587110966 17.6124085556635 17.6111588837942 2469402.357459584 3.57162147919352 1442.2903649981 3.37264110574244 -13.3212385257078 1305106.21523127 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2059-Jun-06 13:35 00:04 Earth 0.107815530727085 0.107771776431069 0.107859285460554 24.4219097884913 24.4208978353405 2473251.065959055 3.52742363251913 2208.57478360615 7.07772523326037 -8.9245266846327 345180.637081561 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2066-Oct-04 04:42 00:13 Venus 0.0867470338062438 0.0867272681911459 0.0867667995704452 14.5884812887214 14.5867652393711 2475927.695555722 12.5665317050663 1001.82498025188 17.402850940182 -10.3161527436828 133932.659698747 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2066-Oct-14 06:52 00:09 Earth 0.328279841372441 0.328261379942613 0.328298302819194 16.9904105813092 16.9899328646643 2475937.786201289 9.14310286808505 928.07369807319 13.430101809027 -7.30082967035706 370867.474352736 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2075-Jul-31 18:34 00:02 Jupiter 1.52876218755912 1.52875704043738 1.52876733468529 5.40451445750696 5.3010056646315 2479150.273630198 1.51301899360842 294.68230799449 97.0741211181945 34.4709485767854 788421.379416592 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2077-May-30 16:19 00:02 Earth 0.263132400763021 0.263110737929261 0.263154063604769 28.5802785383314 28.5799242357932 2479819.179569881 1.58216587250928 1082.65676731671 9.56717976853746 -3.83643764405238 267444.12870407 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2084-Oct-30 23:24 00:02 Earth 0.260575572593703 0.260569858125634 0.260581287064957 14.9583089851935 14.9576253788565 2482529.474979013 2.03428427041892 288.564158285794 6.37674646065556 9.07747314855061 894451.294828536 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2091-Dec-10 07:05 00:02 Venus 0.101622065286461 0.101621577879943 0.101622552694661 14.7595254837767 14.75807761289 2485125.794939631 1.88749270610294 34.8369511782803 13.6898628183975 51.1787056761776 862983.96598946 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2095-Jun-01 08:19 < 00:01 Earth 0.221037482102916 0.221024692142054 0.221050272066365 27.6684565995043 27.6680209222196 2486394.846271456 0.977454006819624 638.897118785184 9.60760184251735 -3.39066293172166 202691.900256479 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2102-Sep-30 14:06 00:05 Earth 0.364730350440266 0.364724558662949 0.36473614225084 18.8641511807035 18.8637639162437 2489072.087289514 4.59625820664185 337.133637553262 14.6443048636583 -31.0917999888327 1545892.73622226 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2113-May-22 14:34 00:03 Earth 0.450746991200925 0.450707258057892 0.450786724355079 34.1512110212752 34.1510379302651 2492959.107021589 2.86033967175604 1984.47767471046 11.7562256246399 -3.23087907037045 312608.608775771 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2113-Jul-24 14:00 00:06 Venus 0.020191527003826 0.0201612312426523 0.0202218747917144 17.4979188806349 17.4917715060456 2493022.083587472 6.45484798219522 2213.48284499398 12.696604709687 46.9179284322385 171754.596859412 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2120-Oct-15 10:52 00:11 Earth 0.317780090243923 0.317757146769095 0.317803033731431 16.662590935647 16.6620877251429 2495661.952785267 11.3783675824117 1148.47149139045 12.1694256171086 -5.03462200218624 275458.127407938 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2122-Aug-25 00:47 00:03 Jupiter 1.54503443580666 1.54502544020925 1.5450434314103 5.65590777146192 5.55813348952466 2496340.532861194 2.99872439740498 478.473069125524 123.434592388811 -26.2809979286732 480123.962576779 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2131-Jun-07 04:07 00:05 Earth 0.140904261626263 0.140840918405006 0.140967604961167 25.3106722660372 25.3099251450131 2499548.671442289 4.98365329812891 3164.97034977418 10.3369068787249 -3.62363935737275 125083.629296465 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2138-Oct-17 09:53 00:13 Earth 0.328999967020115 0.32897295660397 0.32902697744778 17.0347264679676 17.0342510370743 2502237.911514170 12.9511968604698 1350.39721202445 10.751007268073 -4.16219180185811 266182.603481937 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2138-Oct-19 19:36 00:07 Venus 0.054595425437319 0.0545279216244661 0.0546629343772526 20.2878130866472 20.2858524440141 2502240.316796192 7.31146154103476 3468.12471136494 10.4679466574242 13.9265471626498 182460.36417021 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2149-May-30 07:33 00:04 Earth 0.290331151579621 0.290282141212485 0.290380161956774 29.6379602250565 29.6376505739203 2506115.814291037 3.61569030819517 2445.42765962992 11.6477651301926 -2.00244304144646 126390.19617927 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2156-Oct-18 08:58 00:27 Earth 0.318431043952516 0.318372060716265 0.318490027191591 16.6210949945243 16.620591558949 2508813.873687686 27.425724135812 2941.63421802748 10.1658795735984 -1.07553673721091 71281.2374867832 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2158-Jun-30 21:01 00:07 Jupiter 1.36825945503261 1.36825816044671 1.36826074999081 4.92696398509818 4.79967414773934 2509434.375359269 7.32648380089009 1201.49833412365 21.8916207727644 87.8705587155181 14691533.9877997 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2164-Jan-14 13:12 00:19 Venus 0.145087421808109 0.144839661183525 0.1453351847909 24.3872107725525 24.3865970352569 2511458.049891322 19.3656529409335 12389.2635422427 9.67777673096302 4.28089007384291 159787.491528024 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2167-Jun-17 15:25 00:22 Earth 0.0169875980882356 0.0167610929166873 0.0172141242707862 20.5631621665668 20.5555331062352 2512708.142695006 21.6539932960832 11334.6551014665 13.0257717482534 4.75566312874385 15712.5279042027 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2167-Jul-11 21:49 00:28 Venus 0.0560242439798974 0.0557617510250136 0.0562867380319206 19.9230087032435 19.9210630778637 2512732.408685575 28.0156452973588 13095.3273825125 19.7255599462073 1.76164079502958 12361.5153401092 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2174-Dec-03 23:24 02:59 Earth 0.0175970316050273 0.017554298663331 0.0178612119658153 21.2781378566494 21.271020610873 2515434.475198969 178.89856016533 103348.769067386 6.23139129763967 -86.0106216029663 421158.789659337 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2185-Jul-06 13:47 4_19:04 Earth 0.222828708244469 0.195376707375339 0.250285191348501 15.2804489710275 15.2796664135957 2519302.074243392 6904.19575295991 1369938.84906217 15.8681049335705 -2.03583525563443 79750.4413612256 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2192-Dec-14 14:32 2_13:06 Earth 0.209913515308553 0.159719401313308 0.260216394191156 27.5296929723739 27.5292318945613 2522020.105763085 3665.92763597392 2516994.20551857 4.99497380503797 5.2788075814138 559272.54125313 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
2194-May-30 20:23 1_22:31 Jupiter 1.84220761817494 1.83092402782808 1.85349681327365 6.55487249876517 6.48434885934786 2522552.349151889 2790.88754070487 585419.145404057 106.556115354587 20.0386381687268 407637.401559577 T 71 CATAB v2.0g-lin.ifort 2021-Apr-14 17:25:04 2021-Apr-14 17:25
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