IAA RAS IAA Minor Planet Database

517103 (2013 EM20)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3179855833 ± 2.92e-08
Semi-major axis (a)1.3713108786 AU ± 6.06e-09
Inclination (i)8.36352262° ± 4.38e-06
Long. of Asc. Node (Ω)73.88003140° ± 5.87e-05
Arg. of Perihelion (ω)350.17326456° ± 5.85e-05
Mean Anomaly (M)42.68024369° ± 7.58e-06
Mean Motion (n)0.6137738683°/day ± 4.07e-09
Perihelion dist (q)0.93525379 AU ± 4.03e-08
Aphelion dist (Q)1.80736797 AU ± 4.08e-08
Orbital Period1.60584595 yr ± 1.06e-08
Physical Parameters
H (abs. magnitude)19.92
G (slope)0.15
Alternative Designations

2008 AO112

Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual1.766″
Uncertainty0
Orbit TypeApollo
MOID0.043499 AU
Observations Used2304
Oppositions9
Arc Total1997-2021
First Observation Used1997-04-07
Last Observation Used2021-05-06
Observations (4530)
Date Type RA Dec Mag Band Observatory
2020-09-14 16:04:12 S 02 19 24.943 -49 07 01.96 – V C57
2020-09-14 16:14:12 S 02 19 26.813 -49 07 14.59 – V C57
2020-09-14 17:54:12 S 02 19 46.188 -49 09 39.82 – V C57
2020-09-14 18:04:12 S 02 19 47.866 -49 09 57.67 – V C57
2020-09-14 18:24:12 S 02 19 51.722 -49 10 19.06 – V C57
2020-09-14 18:54:12 S 02 19 57.031 -49 11 07.98 – V C57
2020-09-14 19:14:12 S 02 20 00.336 -49 11 35.05 – V C57
2020-09-14 19:24:12 S 02 20 01.956 -49 11 43.76 – V C57
2020-09-14 19:34:12 S 02 20 04.514 -49 12 04.07 – V C57
2020-09-14 19:44:12 S 02 20 06.326 -49 12 17.57 – V C57
2020-09-14 20:04:12 S 02 20 10.500 -49 12 43.78 – V C57
2020-09-14 20:24:12 S 02 20 14.167 -49 13 09.70 – V C57
2020-09-14 20:34:12 S 02 20 15.391 -49 13 25.21 – V C57
2020-09-14 20:44:12 S 02 20 17.983 -49 13 37.85 – V C57
2020-09-14 20:54:12 S 02 20 19.733 -49 13 57.29 – V C57
2020-09-14 22:04:12 S 02 20 32.460 -49 15 30.20 – V C57
2020-09-14 22:04:12 s 1 -12333.456 0 +388941.85 2180.0 – C57
2020-09-14 22:24:12 S 02 20 36.048 -49 16 04.58 – V C57
2020-09-14 22:24:12 s 1 -13095.370 0 +389073.98 3110.0 – C57
2020-09-14 23:04:12 S 02 20 44.904 -49 16 56.86 – V C57
2020-09-14 23:04:12 s 1 -14618.873 0 +389326.63 4200.0 – C57
2020-09-14 23:34:12 S 02 20 50.122 -49 17 42.29 – V C57
2020-09-14 23:34:12 s 1 -15761.184 0 +389505.99 4310.0 – C57
2020-09-14 23:54:12 S 02 20 53.719 -49 18 18.32 – V C57
2020-09-14 23:54:12 s 1 -16522.561 0 +389620.73 4040.0 – C57
2020-09-15 00:24:12 S 02 20 59.911 -49 18 52.38 – V C57
2020-09-15 00:24:12 s 1 -17664.361 0 +389785.62 3100.0 – C57
2020-09-15 00:34:12 S 02 21 01.826 -49 19 11.60 – V C57
2020-09-15 00:34:12 s 1 -18044.887 0 +389838.66 2640.0 – C57
2020-09-15 00:44:12 S 02 21 03.458 -49 19 21.04 – V C57
2020-09-15 00:44:12 s 1 -18425.374 0 +389890.74 2120.0 – C57
2020-09-15 00:54:12 S 02 21 05.954 -49 19 35.65 – V C57
2020-09-15 00:54:12 s 1 -18805.822 0 +389941.85 1510.0 – C57
2020-09-15 01:04:12 S 02 21 06.854 -49 19 48.18 – V C57
2020-09-15 01:04:12 s 1 -19186.229 0 +389992.01 840.0 – C57
2020-09-15 01:44:12 S 02 21 14.950 -49 20 48.41 – V C57
2020-09-15 01:44:12 s 1 -20707.432 0 +390183.02 7370.0 – C57
2020-09-15 01:54:12 S 02 21 16.819 -49 21 02.16 – V C57
2020-09-15 01:54:12 s 1 -21087.623 0 +390228.38 6310.0 – C57
2020-09-15 02:04:12 S 02 21 19.080 -49 21 09.94 – V C57
2020-09-15 02:04:12 s 1 -21467.767 0 +390272.77 5180.0 – C57
2020-09-15 02:24:12 S 02 21 22.927 -49 21 47.77 – V C57
2020-09-15 02:24:12 s 1 -22227.913 0 +390358.69 2670.0 – C57
2020-09-15 02:34:12 S 02 21 24.485 -49 21 50.90 – V C57
2020-09-15 02:34:12 s 1 -22607.914 0 +390400.21 1290.0 – C57
2020-09-15 03:14:12 S 02 21 32.498 -49 22 55.99 – V C57
2020-09-15 03:14:12 s 1 -24127.409 0 +390556.72 4990.0 – C57
2020-09-15 03:24:12 S 02 21 33.703 -49 23 09.67 – V C57
2020-09-15 03:24:12 s 1 -24507.151 0 +390593.46 3200.0 – C57
2020-09-15 04:04:12 S 02 21 41.954 -49 24 06.16 – V C57