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
2020-09-27 01:24:11 S 03 43 59.306 -56 02 39.62 – V C57
2020-09-27 01:24:11 s 1 +93722.688 0 +340626.51 2900.0 – C57
2020-09-27 01:44:11 S 03 44 05.827 -56 03 01.98 – V C57
2020-09-27 01:44:11 s 1 +93034.581 0 +341301.68 2070.0 – C57
2020-09-27 01:54:11 S 03 44 08.916 -56 03 14.11 – V C57
2020-09-27 01:54:11 s 1 +92690.070 0 +341637.61 6490.0 – C57
2020-09-27 02:04:11 S 03 44 12.259 -56 03 22.57 – V C57
2020-09-27 02:04:11 s 1 +92345.257 0 +341972.43 790.0 – C57
2020-09-27 02:14:11 S 03 44 15.058 -56 03 37.48 – V C57
2020-09-27 02:14:11 s 1 +92000.143 0 +342306.15 4980.0 – C57
2020-09-27 02:24:12 S 03 44 18.542 -56 03 49.86 – V C57
2020-09-27 02:24:12 s 1 +91654.729 0 +342638.76 9060.0 – C57
2020-09-27 02:34:11 S 03 44 21.881 -56 04 00.41 – V C57
2020-09-27 02:34:11 s 1 +91309.019 0 +342970.27 3030.0 – C57
2020-09-27 02:44:12 S 03 44 24.571 -56 04 11.78 – V C57
2020-09-27 02:44:12 s 1 +90963.012 0 +343300.67 6890.0 – C57
2020-09-27 02:54:11 S 03 44 28.097 -56 04 23.56 – V C57
2020-09-27 02:54:11 s 1 +90616.711 0 +343629.98 640.0 – C57
2020-09-27 03:04:11 S 03 44 31.020 -56 04 29.64 – V C57
2020-09-27 03:04:11 s 1 +90270.118 0 +343958.19 4280.0 – C57
2020-09-27 03:24:11 S 03 44 37.574 -56 04 53.58 – V C57
2020-09-27 03:24:11 s 1 +89576.060 0 +344611.31 1240.0 – C57
2020-09-27 03:34:11 S 03 44 40.932 -56 05 04.42 – V C57
2020-09-27 03:34:11 s 1 +89228.600 0 +344936.22 4570.0 – C57
2020-09-27 03:44:11 S 03 44 44.261 -56 05 17.09 – V C57
2020-09-27 03:44:11 s 1 +88880.853 0 +345260.04 7790.0 – C57
2020-09-27 04:04:11 S 03 44 50.146 -56 05 40.20 – V C57
2020-09-27 04:04:11 s 1 +88184.508 0 +345904.40 3920.0 – C57
2020-09-27 04:14:12 S 03 44 53.304 -56 05 49.38 – V C57
2020-09-27 04:14:12 s 1 +87835.913 0 +346224.94 6830.0 – C57
2020-09-27 04:34:11 S 03 45 00.197 -56 06 13.18 – V C57
2020-09-27 04:34:11 s 1 +87137.886 0 +346862.75 2360.0 – C57
2020-09-27 04:44:11 S 03 45 03.053 -56 06 22.46 – V C57
2020-09-27 04:44:11 s 1 +86788.458 0 +347180.02 4970.0 – C57
2020-09-27 04:54:11 S 03 45 06.586 -56 06 33.41 – V C57
2020-09-27 04:54:11 s 1 +86438.755 0 +347496.20 7490.0 – C57
2020-09-27 05:04:11 S 03 45 09.502 -56 06 45.58 – V C57
2020-09-27 05:04:11 s 1 +86088.778 0 +347811.29 9910.0 – C57
2020-09-27 05:14:11 S 03 45 13.061 -56 06 56.99 – V C57
2020-09-27 05:14:11 s 1 +85738.531 0 +348125.30 2230.0 – C57
2020-09-27 05:24:12 S 03 45 15.727 -56 07 09.91 – V C57
2020-09-27 05:24:12 s 1 +85388.013 0 +348438.23 4460.0 – C57
2020-09-27 05:34:11 S 03 45 18.710 -56 07 18.16 – V C57
2020-09-27 05:34:11 s 1 +85037.227 0 +348750.07 6600.0 – C57
2020-09-27 05:44:12 S 03 45 22.536 -56 07 31.30 – V C57
2020-09-27 05:44:12 s 1 +84686.174 0 +349060.82 8640.0 – C57
2020-09-27 05:54:11 S 03 45 25.790 -56 07 41.23 – V C57
2020-09-27 05:54:11 s 1 +84334.856 0 +349370.50 590.0 – C57
2020-09-27 06:04:11 S 03 45 28.894 -56 07 54.98 – V C57
2020-09-27 06:04:11 s 1 +83983.274 0 +349679.09 2440.0 – C57