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
2020-09-10 23:34:12 S 02 05 11.815 -46 49 20.96 V C57
2020-09-10 23:34:12 s 1 +164036.15 0 +169399.45 7350.0 C57
2020-09-10 23:44:12 S 02 05 14.362 -46 49 36.30 V C57
2020-09-10 23:44:12 s 1 +163936.77 6 +170185.45 9180.0 C57
2020-09-11 01:14:12 S 02 05 26.117 -46 52 08.18 V C57
2020-09-11 01:14:12 s 1 +162963.37 3 +177176.71 6480.0 C57
2020-09-11 02:34:12 S 02 05 37.008 -46 54 26.93 V C57
2020-09-11 02:34:12 s 1 +161983.40 7 +183267.39 9140.0 C57
2020-09-11 03:14:12 S 02 05 43.128 -46 55 34.79 V C57
2020-09-11 03:14:12 s 1 +161454.78 6 +186269.56 1130.0 C57
2020-09-11 04:14:12 S 02 05 51.312 -46 57 16.31 V C57
2020-09-11 04:14:12 s 1 +160615.42 8 +190719.43 800.0 C57
2020-09-11 04:24:12 S 02 05 51.842 -46 57 35.35 V C57
2020-09-11 04:24:12 s 1 +160470.24 6 +191454.88 9750.0 C57
2020-09-11 04:44:12 S 02 05 55.464 -46 58 05.34 V C57
2020-09-11 04:44:12 s 1 +160175.43 8 +192920.52 5400.0 C57
2020-09-11 05:24:12 S 02 06 00.612 -46 59 15.86 V C57
2020-09-11 05:24:12 s 1 +159568.30 4 +195830.76 7840.0 C57
2020-09-11 05:34:12 S 02 06 02.134 -46 59 32.03 V C57
2020-09-11 05:34:12 s 1 +159412.92 5 +196553.96 1630.0 C57
2020-09-11 05:44:12 S 02 06 03.182 -46 59 46.00 V C57
2020-09-11 05:44:12 s 1 +159256.12 7 +197275.42 4700.0 C57
2020-09-11 06:14:12 S 02 06 08.033 -47 00 44.42 V C57
2020-09-11 06:14:12 s 1 +158777.30 1 +199429.41 9630.0 C57
2020-09-11 06:54:12 S 02 06 13.769 -47 01 51.46 V C57
2020-09-11 06:54:12 s 1 +158119.52 8 +202277.24 6370.0 C57
2020-09-11 07:34:12 S 02 06 19.027 -47 03 03.49 V C57
2020-09-11 07:34:12 s 1 +157440.15 7 +205097.65 2080.0 C57
2020-09-11 08:24:12 S 02 06 25.680 -47 04 22.22 V C57
2020-09-11 08:24:12 s 1 +156561.38 3 +208584.89 9110.0 C57
2020-09-11 09:14:12 S 02 06 33.302 -47 05 47.40 V C57
2020-09-11 09:14:12 s 1 +155650.70 2 +212029.97 9740.0 C57
2020-09-11 09:24:12 S 02 06 34.656 -47 06 01.44 V C57
2020-09-11 09:24:12 s 1 +155464.82 2 +212713.96 7940.0 C57
2020-09-11 09:54:12 S 02 06 37.814 -47 06 50.62 V C57
2020-09-11 09:54:12 s 1 +154899.83 4 +214755.93 8750.0 C57
2020-09-11 10:14:12 S 02 06 41.285 -47 07 19.74 V C57
2020-09-11 10:14:12 s 1 +154517.12 5 +216108.94 9490.0 C57
2020-09-11 10:44:12 S 02 06 45.434 -47 08 13.42 V C57
2020-09-11 10:44:12 s 1 +153934.13 1 +218126.05 980.0 C57
2020-09-11 11:24:12 S 02 06 51.874 -47 09 25.16 V C57
2020-09-11 11:24:12 s 1 +153140.43 8 +220792.52 7810.0 C57
2020-09-11 11:34:12 S 02 06 52.985 -47 09 32.76 V C57
2020-09-11 11:34:12 s 1 +152939.13 8 +221455.04 8020.0 C57
2020-09-11 11:44:12 S 02 06 55.150 -47 09 51.80 V C57
2020-09-11 11:44:12 s 1 +152736.70 1 +222115.94 7640.0 C57
2020-09-11 11:54:12 S 02 06 55.327 -47 10 13.15 V C57
2020-09-11 11:54:12 s 1 +152533.13 4 +222775.20 6660.0 C57
2020-09-11 12:34:12 S 02 07 01.807 -47 11 11.40 V C57
2020-09-11 12:34:12 s 1 +151707.70 2 +225396.05 6950.0 C57