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
2020-08-31 10:34:14 S 01 23 34.738 -40 18 38.77 V C57
2020-08-31 10:34:14 s 1 +14640.512 0 +380481.01 5720.0 C57
2020-08-31 11:34:13 S 01 23 42.214 -40 19 57.00 V C57
2020-08-31 11:34:13 s 1 +12454.757 0 +381407.23 7470.0 C57
2020-08-31 11:54:13 S 01 23 44.006 -40 20 30.08 V C57
2020-08-31 11:54:13 s 1 +11725.811 0 +381708.09 8220.0 C57
2020-08-31 12:24:13 S 01 23 47.650 -40 21 10.26 V C57
2020-08-31 12:24:13 s 1 +10632.081 0 +382151.99 9510.0 C57
2020-08-31 13:44:13 S 01 23 57.744 -40 23 07.91 V C57
2020-08-31 14:04:13 S 01 23 59.201 -40 23 26.41 V C57
2020-08-31 15:04:13 S 01 24 06.828 -40 24 55.37 V C57
2020-08-31 16:34:13 S 01 24 17.285 -40 26 52.69 V C57
2020-08-31 17:34:13 S 01 24 24.778 -40 28 21.50 V C57
2020-08-31 18:04:13 S 01 24 28.846 -40 28 59.02 V C57
2020-08-31 18:34:13 S 01 24 31.915 -40 29 36.42 V C57
2020-08-31 19:34:13 S 01 24 39.187 -40 31 04.69 V C57
2020-08-31 23:24:13 S 01 25 07.728 -40 36 20.12 V C57
2020-08-31 23:24:13 s 1 -13468.290 0 +389717.00 8450.0 C57
2020-09-01 00:14:13 S 01 25 13.634 -40 37 30.14 V C57
2020-09-01 00:14:13 s 1 -15294.141 0 +390120.31 2230.0 C57
2020-09-01 02:24:13 S 01 25 28.644 -40 40 27.48 V C57
2020-09-01 02:24:13 s 1 -20038.267 0 +391058.89 660.0 C57
2020-09-01 02:34:13 S 01 25 30.053 -40 40 47.86 V C57
2020-09-01 02:34:13 s 1 -20402.978 0 +391124.52 1200.0 C57
2020-09-01 02:54:13 S 01 25 33.286 -40 41 06.72 V C57
2020-09-01 02:54:13 s 1 -21132.292 0 +391252.99 2240.0 C57
2020-09-01 04:14:13 S 01 25 42.302 -40 43 04.26 V C57
2020-09-01 04:14:13 s 1 -24047.981 0 +391729.50 5680.0 C57
2020-09-01 05:34:13 S 01 25 52.579 -40 44 46.82 V C57
2020-09-01 05:34:13 s 1 -26960.851 0 +392146.43 7800.0 C57
2020-09-01 05:44:13 S 01 25 53.702 -40 44 58.78 V C57
2020-09-01 05:44:13 s 1 -27324.740 0 +392194.37 7960.0 C57
2020-09-01 06:34:13 S 01 25 59.952 -40 46 09.19 V C57
2020-09-01 06:34:13 s 1 -29143.401 0 +392420.15 8400.0 C57
2020-09-01 07:34:13 S 01 26 06.665 -40 47 31.16 V C57
2020-09-01 07:34:13 s 1 -31323.956 0 +392660.55 8060.0 C57
2020-09-01 08:24:13 S 01 26 12.878 -40 48 44.14 V C57
2020-09-01 08:24:13 s 1 -33139.434 0 +392835.49 6990.0 C57
2020-09-01 09:24:13 S 01 26 21.422 -40 50 00.78 V C57
2020-09-01 09:24:13 s 1 -35315.878 0 +393015.01 4680.0 C57
2020-09-01 09:54:13 S 01 26 25.514 -40 50 43.98 V C57
2020-09-01 09:54:13 s 1 -36403.178 0 +393092.36 3090.0 C57
2020-09-01 10:24:13 S 01 26 28.490 -40 51 25.27 V C57
2020-09-01 10:24:13 s 1 -37489.835 0 +393161.45 1190.0 C57
2020-09-01 10:44:13 S 01 26 31.762 -40 51 58.86 V C57
2020-09-01 10:44:13 s 1 -38213.904 0 +393202.91 9750.0 C57
2020-09-01 11:34:13 S 01 26 37.123 -40 52 57.25 V C57
2020-09-01 11:34:13 s 1 -40022.744 0 +393290.55 5510.0 C57
2020-09-01 11:54:13 S 01 26 40.253 -40 53 30.98 V C57
2020-09-01 11:54:13 s 1 -40745.729 0 +393319.20 3540.0 C57