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
2020-09-28 01:14:11 S 03 51 48.202 -56 27 39.17 – V C57
2020-09-28 01:14:11 s 1 +42157.477 0 +378190.24 4470.0 – C57
2020-09-28 01:24:11 S 03 51 51.211 -56 27 48.31 – V C57
2020-09-28 01:24:11 s 1 +41784.547 0 +378379.30 7890.0 – C57
2020-09-28 01:34:11 S 03 51 54.782 -56 27 56.16 – V C57
2020-09-28 01:34:11 s 1 +41411.503 0 +378567.38 1320.0 – C57
2020-09-28 01:44:11 S 03 51 58.272 -56 28 07.54 – V C57
2020-09-28 01:44:11 s 1 +41038.348 0 +378754.47 4750.0 – C57
2020-09-28 02:04:11 S 03 52 04.438 -56 28 23.92 – V C57
2020-09-28 02:04:11 s 1 +40291.704 0 +379125.70 1610.0 – C57
2020-09-28 02:14:11 S 03 52 07.937 -56 28 35.65 – V C57
2020-09-28 02:14:11 s 1 +39918.218 0 +379309.83 5050.0 – C57
2020-09-28 02:24:11 S 03 52 11.165 -56 28 45.19 – V C57
2020-09-28 02:24:11 s 1 +39544.624 0 +379492.99 8480.0 – C57
2020-09-28 02:34:11 S 03 52 14.628 -56 28 53.98 – V C57
2020-09-28 02:34:11 s 1 +39170.923 0 +379675.15 1920.0 – C57
2020-09-28 02:44:11 S 03 52 18.526 -56 29 02.65 – V C57
2020-09-28 02:44:11 s 1 +38797.116 0 +379856.34 5350.0 – C57
2020-09-28 02:54:11 S 03 52 22.066 -56 29 13.96 – V C57
2020-09-28 02:54:11 s 1 +38423.204 0 +380036.54 8790.0 – C57
2020-09-28 03:04:11 S 03 52 25.010 -56 29 24.79 – V C57
2020-09-28 03:04:11 s 1 +38049.189 0 +380215.77 2220.0 – C57
2020-09-28 03:24:11 S 03 52 31.913 -56 29 40.70 – V C57
2020-09-28 03:24:11 s 1 +37300.851 0 +380571.27 9070.0 – C57
2020-09-28 03:44:11 S 03 52 39.427 -56 29 56.51 – V C57
2020-09-28 03:44:11 s 1 +36552.112 0 +380922.85 5910.0 – C57
2020-09-28 04:14:11 S 03 52 47.978 -56 30 26.39 – V C57
2020-09-28 04:14:11 s 1 +35428.266 0 +381442.90 6130.0 – C57
2020-09-28 04:44:11 S 03 52 58.754 -56 30 59.90 – V C57
2020-09-28 04:44:11 s 1 +34303.562 0 +381954.15 6290.0 – C57
2020-09-28 04:54:11 S 03 53 02.678 -56 31 03.40 – V C57
2020-09-28 04:54:11 s 1 +33928.475 0 +382122.61 9650.0 – C57
2020-09-28 05:04:11 S 03 53 05.866 -56 31 13.44 – V C57
2020-09-28 05:04:11 s 1 +33553.297 0 +382290.11 3010.0 – C57
2020-09-28 05:24:11 S 03 53 12.581 -56 31 35.58 – V C57
2020-09-28 05:24:11 s 1 +32802.671 0 +382622.17 9700.0 – C57
2020-09-28 05:44:11 S 03 53 18.989 -56 31 55.09 – V C57
2020-09-28 05:44:11 s 1 +32051.692 0 +382950.34 6340.0 – C57
2020-09-28 07:04:11 S 03 53 46.997 -56 33 07.88 – V C57
2020-09-28 07:04:11 s 1 +29044.417 0 +384224.22 2350.0 – C57
2020-09-28 07:54:11 S 03 54 04.390 -56 33 53.50 – V C57
2020-09-28 07:54:11 s 1 +27162.303 0 +384988.96 8050.0 – C57
2020-09-28 08:04:11 S 03 54 07.925 -56 34 02.96 – V C57
2020-09-28 08:04:11 s 1 +26785.658 0 +385139.01 1130.0 – C57
2020-09-28 08:14:11 S 03 54 10.870 -56 34 11.28 – V C57
2020-09-28 08:14:11 s 1 +26408.940 0 +385288.09 4190.0 – C57
2020-09-28 08:54:11 S 03 54 24.785 -56 34 47.46 – V C57
2020-09-28 08:54:11 s 1 +24901.369 0 +385874.82 6200.0 – C57
2020-09-28 09:04:11 S 03 54 28.229 -56 34 57.40 – V C57
2020-09-28 09:04:11 s 1 +24524.306 0 +386019.10 9140.0 – C57