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(2020 KQ4)
Classification: Apollo [NEO]          SPK-ID: 54017232
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332669896986405 8.8592e-05  
a 1.065060706895432 6.2334e-05 au
q .9231232726411714 4.0403e-05 au
i 4.923440403627603 0.0032286 deg
node 60.46988320167031 0.0004547 deg
peri 106.4296046587658 0.0061734 deg
M 67.33988041910781 0.015396 deg
tp 2458925.401751030066
(2020-Mar-16.90175103)
0.010579 TDB
period 401.4763534017935
1.10
0.035245
9.65e-05
d
yr
n .8966904201197514 7.872e-05 deg/d
Q 1.206998141149692 7.0641e-05 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      6 days  
   first obs. used      2020-05-24  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .37576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-31 06:03:45  

Additional Information
 Earth MOID = .00252857 au 
 Jupiter MOID = 3.75957 au 
 T_jup = 5.779 
[ 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 26.507   .47596 5 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
1969-Dec-15 21:37 5_13:14 Earth 0.44368876105322 0.203517823752762 0.693725524879467 16.904050706029 16.9036954448884 2440571.400891532 7993.9990766219 12662178.7855524 606.468937101787 -12.5876344733052 18735.8155919037 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
1971-May-22 03:06 2_11:46 Moon 0.00522333956844481 0.000298633622800139 0.0186142445360635 4.92556145363639 4.92428744920597 2441093.629413001 3586.07922533798 668061.585505404 16.9293507602495 -3.29450449136717 2574.30166313906 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
1971-May-23 01:43 2_00:21 Earth 0.00695398871025121 0.00161349198752536 0.0211394211134423 4.23276940573295 4.14125826277753 2441094.571830840 2900.77494255714 715175.844813344 21.1132959808842 -14.2621610380378 16620.1486553674 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
1981-Dec-10 11:34 01:54 Earth 0.368447441172963 0.368378411821584 0.368516593649956 14.7043095048977 14.7038176925371 2444948.981896402 113.793677255301 11222.7851892384 363.660455586658 72.2201222309817 124311.351974645 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
1982-Nov-01 23:57 10:16 Earth 0.160475545805732 0.159774551752654 0.161179001556384 3.96437453018561 3.96018410194505 2445275.498048276 616.075795509031 47006.1683167571 162.121794644663 41.8700091011555 145249.713313789 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
1983-May-06 22:28 1_12:50 Earth 0.0648271470201125 0.0626117459944352 0.0677188087294651 3.16909517930625 3.15609912336198 2445461.436188568 2209.73278293118 354911.337191894 282.216163205761 -68.8572436616404 26771.0689507895 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
1984-Jun-19 04:01 01:29 Earth 0.476637019637594 0.472694739463429 0.480579809336817 17.6096942608282 17.6093768098387 2445870.667618186 88.8700395032759 198128.231992413 685.02561820051 7.13686849454862 10805.0663319558 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
1994-Dec-14 02:02 3_07:47 Earth 0.0717437142008128 0.063073245623164 0.0821094249476218 3.31675957825274 3.30554328237249 2449700.584383036 4786.77205033998 728379.739649386 136.599783679854 48.6714623460731 73068.7660049475 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
1995-Jul-27 20:55 4_17:49 Earth 0.182553624063926 0.17703911665992 0.188404216295429 3.41890248847095 3.41463073104151 2449926.371208653 6829.46672117537 482824.816119387 620.575573831778 -54.1433265532009 17685.8125479106 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
1996-Jun-11 18:29 14:46 Earth 0.336398368416943 0.320719288913727 0.352077553196552 13.5594000768428 13.5588159228412 2450246.270262547 885.710399753751 781911.244059192 280.421729669848 0.932245831515198 2260.43029455687 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
2006-Dec-20 15:57 08:45 Earth 0.073326910524086 0.05695102736658 0.0930429713243234 5.71783702473181 5.71147846516413 2454090.164728608 524.606620201037 1194299.41209051 29.457783866061 -39.6591345898446 48731.9160239924 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
2007-Aug-27 20:43 5_11:46 Earth 0.206844007786044 0.204331815805317 0.209649898675508 4.04545684488622 4.04227137972727 2454340.363115183 7906.28835003118 410876.620819056 669.733927552113 -71.2162671950166 22449.5257221802 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
2008-Jun-06 04:25 1_04:11 Earth 0.214970731033283 0.192874870038143 0.237066292581076 10.1006005225107 10.0993733313689 2454623.683982867 1690.76711839529 1101751.12846142 134.028981637997 -0.725171715602305 2188.08664713335 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
2018-Dec-13 21:15 00:51 Earth 0.270629438025551 0.268979334595747 0.272279655832219 11.7626308361378 11.7617937921012 2458466.385730438 51.1950290444386 82753.2550671977 414.897619601919 -6.14645705134951 7251.18904211978 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
2019-Oct-12 02:49 02:41 Earth 0.189133390152075 0.188730597527578 0.189536411104315 4.24277711194049 4.23945538466215 2458768.617481001 160.906329986567 22614.9638426605 1066.68886187305 -27.532281868768 6904.94008117792 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
2020-May-24 01:30 < 00:01 Earth 0.0123969743797518 0.012372099901384 0.0124218471026358 4.64234969811479 4.59581887167664 2458993.562260409 0.254383104852552 1218.11783366378 20.5127807210098 -4.23175621005925 2774.41230961216 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
2029-Dec-14 13:54 16:34 Earth 0.364615473679415 0.348178009018898 0.38106476377796 14.5717588014357 14.5712572993302 2462485.079166986 993.581952353347 826477.024723555 611.03316450619 -7.21323363519254 8579.54162447229 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
2030-Oct-22 12:40 3_17:18 Earth 0.187269935215849 0.181371216109407 0.193360610256158 4.33134358968249 4.32805744682931 2462797.027564701 5357.79592480388 422892.769569502 55.1801607572801 45.0260451833476 281218.34977103 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
2031-May-24 04:19 3_07:10 Moon 0.0082948347882014 0.00130092598874176 0.024361965437509 4.34769958064164 4.34679072083189 2463010.679978123 4750.19516702543 804600.906967903 16.5827609349797 9.03476592722563 12655.8509449552 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
2031-May-24 07:43 2_01:08 Earth 0.00956594136087289 0.00236228996316379 0.0268569536970543 4.59049077862387 4.52940717373733 2463010.821698512 2948.07440874646 872398.209803882 6.03650412138237 14.9526183142091 78460.6389439234 T 5 CATAB v2.0f-lin.ifort 2020-May-31 06:03:48 2020-May-31 06:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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