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(2020 LJ2)
Classification: Amor [NEO]          SPK-ID: 54017556
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4224197206010025 9.1775e-06  
a 2.113016263684745 4.0306e-05 au
q 1.220436523953661 3.8893e-06 au
i 5.81779577008485 9.2513e-05 deg
node 303.8937155462523 3.3709e-05 deg
peri 27.88710351730332 0.00011376 deg
M 332.3452994231292 0.00081764 deg
tp 2459086.682511585055
(2020-Aug-25.18251158)
0.00010596 TDB
period 1121.896224635617
3.07
0.0321
8.789e-05
d
yr
n .3208852941072381 9.1813e-06 deg/d
Q 3.005596003415829 5.7331e-05 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      95 days  
   first obs. used      2020-06-15  
   last obs. used      2020-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .33061  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-19 06:50:03  

Additional Information
 Earth MOID = .214917 au 
 Jupiter MOID = 2.38792 au 
 T_jup = 3.612 
[ 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 21.925   .25154 27 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
1934-Aug-19 04:08 1_09:04 Earth 0.21721600209651 0.216862459382715 0.233743371182451 4.02414749033474 4.02109811256726 2427668.672353077 1983.76335792229 3733025.10936342 16.2785459009331 86.7408041057962 1356360.57221129 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
1937-Jul-20 20:58 5_17:08 Earth 0.461115052266543 0.435119818921001 0.504982550434198 3.20109003166908 3.19928440620353 2428735.373589427 8228.3643075861 4872090.80143774 20.5517870253465 -68.5937278139753 1432129.29669045 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
1974-Sep-20 22:06 4_00:35 Earth 0.465665432512341 0.453773938249068 0.490517020603921 2.32262373884671 2.32015889165111 2442311.420891763 5795.22861239374 3995904.94911534 21.4382841757855 76.387909573579 391236.642763545 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
1977-Aug-18 00:21 15:54 Earth 0.217539456453285 0.217041716389629 0.221517427660427 3.93598956343389 3.9328764699545 2443373.514466686 954.201283293964 1476542.18044646 11.2275208069978 -86.1217661832272 1844435.51667051 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
1995-Nov-26 04:16 2_20:39 Mars 0.0873314608802328 0.0806945193253813 0.0948091822935594 6.34124893018966 6.34073194468857 2450047.678033556 4119.31422246949 553972.856648822 16.0576495896677 -50.3317446338722 626610.639026422 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
2017-Sep-24 20:58 06:04 Earth 0.479826730134089 0.478672066864879 0.481174446426443 1.82828530282492 1.82524550191245 2458021.373715653 364.041056254254 484398.620664456 18.2291745188278 82.4369908649034 348385.959454892 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
2020-Aug-19 03:02 < 00:01 Earth 0.214338182853383 0.214326369798586 0.214349995907387 3.96667691670884 3.96354177161922 2459080.626166155 0.252756022025116 588.714020921891 37.1792524460097 -2.52788651981917 34954.6100896248 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
2023-Jul-18 09:53 04:27 Earth 0.485726586287388 0.484506856858688 0.487006351952044 2.98565317415058 2.98381530404407 2460143.912081338 266.71880013658 276483.862943376 18.3270238313364 -76.9598987561422 1345384.51151453 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
2060-Sep-06 17:55 2_21:37 Earth 0.395936787882596 0.379668539810378 0.412431875576485 4.28194945613965 4.28037755696279 2473709.246329127 4177.11548798861 943798.278797245 29.3567195373667 29.8971232800959 1026488.54261743 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
2063-Aug-16 10:27 20:05 Earth 0.247335077128907 0.236169488968481 0.258682704935292 4.02412236598567 4.02144443120986 2474782.935245913 1204.56252715809 653556.456140836 30.4942746388122 -30.805844123046 577014.699676515 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
2103-Aug-30 19:06 2_15:44 Earth 0.324873933185323 0.29376105566809 0.35610155753851 4.97909333434863 4.97744585841778 2489406.296172665 3824.18422501298 1583884.6702212 23.9134246253763 11.0553841330721 321957.1102181 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
2106-Aug-13 12:14 2_15:05 Earth 0.30248534404161 0.272852914738796 0.332281651651871 4.12470131993568 4.12256518842555 2490485.009941988 3784.98670495264 1522788.07225038 35.0713067616792 -13.2850489677302 279021.940646089 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
2146-Aug-23 08:58 1_08:32 Earth 0.21832943458209 0.214016496585701 0.236688376236379 4.10261029754442 4.09963454143838 2505104.873926464 1951.67023551291 2888458.32302393 16.7523747268117 78.6123549486171 1171992.64175266 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
2149-Jul-27 16:29 6_05:06 Earth 0.43796672956775 0.402185999146279 0.483627737851499 3.32735573030006 3.3255268243394 2506174.186690649 8945.6529638163 3866561.59159272 27.7675836259516 -57.8739331819827 1347855.32386956 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
2189-Aug-22 12:23 2_02:49 Earth 0.213346562823743 0.213340319480173 0.239535777900685 3.91949984914853 3.91631218401293 2520810.015851565 3048.83648841295 5353633.16643393 13.6759367449395 -89.5639628760899 1504709.38949821 T 27 CATAB v2.0f-lin.ifort 2020-Sep-19 06:50:07 2020-Sep-19 06:50
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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