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 20:54:11 S 03 50 20.470 -56 23 21.80 – V C57
2020-09-27 20:54:11 s 1 +51810.255 0 +372926.00 9040.0 – C57
2020-09-27 21:04:11 S 03 50 24.194 -56 23 36.35 – V C57
2020-09-27 21:04:11 s 1 +51440.661 0 +373140.96 2130.0 – C57
2020-09-27 21:14:11 S 03 50 26.851 -56 23 41.71 – V C57
2020-09-27 21:14:11 s 1 +51070.925 0 +373354.91 5240.0 – C57
2020-09-27 21:24:11 S 03 50 29.736 -56 23 53.56 – V C57
2020-09-27 21:24:11 s 1 +50701.047 0 +373567.86 8370.0 – C57
2020-09-27 21:34:11 S 03 50 33.600 -56 24 03.92 – V C57
2020-09-27 21:34:11 s 1 +50331.030 0 +373779.80 1520.0 – C57
2020-09-27 21:44:11 S 03 50 36.499 -56 24 09.14 – V C57
2020-09-27 21:44:11 s 1 +49960.873 0 +373990.75 4680.0 – C57
2020-09-27 21:54:11 S 03 50 40.205 -56 24 22.57 – V C57
2020-09-27 21:54:11 s 1 +49590.578 0 +374200.69 7870.0 – C57
2020-09-27 22:04:11 S 03 50 43.562 -56 24 33.41 – V C57
2020-09-27 22:04:11 s 1 +49220.147 0 +374409.63 1080.0 – C57
2020-09-27 22:14:11 S 03 50 47.825 -56 24 38.45 – V C57
2020-09-27 22:14:11 s 1 +48849.580 0 +374617.57 4300.0 – C57
2020-09-27 22:24:11 S 03 50 50.842 -56 24 50.72 – V C57
2020-09-27 22:24:11 s 1 +48478.879 0 +374824.51 7540.0 – C57
2020-09-27 22:34:11 S 03 50 53.868 -56 25 04.12 – V C57
2020-09-27 22:34:11 s 1 +48108.045 0 +375030.45 790.0 – C57
2020-09-27 22:44:11 S 03 50 57.367 -56 25 10.70 – V C57
2020-09-27 22:44:11 s 1 +47737.078 0 +375235.40 4060.0 – C57
2020-09-27 22:54:11 S 03 51 00.576 -56 25 21.86 – V C57
2020-09-27 22:54:11 s 1 +47365.980 0 +375439.35 7350.0 – C57
2020-09-27 23:04:11 S 03 51 04.133 -56 25 31.84 – V C57
2020-09-27 23:04:11 s 1 +46994.752 0 +375642.30 640.0 – C57
2020-09-27 23:14:11 S 03 51 07.819 -56 25 41.52 – V C57
2020-09-27 23:14:11 s 1 +46623.396 0 +375844.25 3950.0 – C57
2020-09-27 23:24:11 S 03 51 10.534 -56 25 37.81 – V C57
2020-09-27 23:24:11 s 1 +46251.912 0 +376045.21 7280.0 – C57
2020-09-27 23:34:11 S 03 51 14.681 -56 26 09.46 – V C57
2020-09-27 23:34:11 s 1 +45880.301 0 +376245.17 610.0 – C57
2020-09-27 23:54:11 S 03 51 19.788 -56 26 19.61 – V C57
2020-09-27 23:54:11 s 1 +45136.704 0 +376642.12 7320.0 – C57
2020-09-28 00:04:11 S 03 51 24.026 -56 26 30.91 – V C57
2020-09-28 00:04:11 s 1 +44764.721 0 +376839.10 680.0 – C57
2020-09-28 00:14:11 S 03 51 27.734 -56 26 38.94 – V C57
2020-09-28 00:14:11 s 1 +44392.615 0 +377035.09 4060.0 – C57
2020-09-28 00:24:11 S 03 51 30.847 -56 26 49.02 – V C57
2020-09-28 00:24:11 s 1 +44020.388 0 +377230.09 7440.0 – C57
2020-09-28 00:34:11 S 03 51 33.478 -56 26 57.08 – V C57
2020-09-28 00:34:11 s 1 +43648.041 0 +377424.10 840.0 – C57
2020-09-28 00:44:11 S 03 51 38.198 -56 27 07.52 – V C57
2020-09-28 00:44:11 s 1 +43275.575 0 +377617.12 4240.0 – C57
2020-09-28 00:54:11 S 03 51 40.999 -56 27 18.54 – V C57
2020-09-28 00:54:11 s 1 +42902.992 0 +377809.15 7640.0 – C57
2020-09-28 01:04:11 S 03 51 44.902 -56 27 30.38 – V C57
2020-09-28 01:04:11 s 1 +42530.292 0 +378000.19 1050.0 – C57