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
2020-09-19 14:04:12 s 1 -212188.27 0 +220514.08 8160.0 C57
2020-09-19 14:14:12 S 02 46 34.920 -51 40 06.78 V C57
2020-09-19 14:14:12 s 1 -212298.32 8 +219929.52 2100.0 C57
2020-09-19 14:24:12 S 02 46 38.282 -51 40 18.30 V C57
2020-09-19 14:24:12 s 1 -212407.32 1 +219343.85 5370.0 C57
2020-09-19 14:34:12 S 02 46 41.126 -51 40 33.64 V C57
2020-09-19 14:34:12 s 1 -212515.24 3 +218757.07 7950.0 C57
2020-09-19 14:44:12 S 02 46 43.454 -51 40 42.17 V C57
2020-09-19 14:44:12 s 1 -212622.09 1 +218169.18 9860.0 C57
2020-09-19 15:04:12 S 02 46 49.894 -51 41 06.36 V C57
2020-09-19 15:04:12 s 1 -212832.54 6 +216990.07 1620.0 C57
2020-09-19 15:54:12 S 02 47 03.530 -51 42 06.59 V C57
2020-09-19 15:54:12 s 1 -213339.58 5 +214022.79 3940.0 C57
2020-09-19 16:14:12 S 02 47 09.578 -51 42 29.38 V C57
2020-09-19 16:14:12 s 1 -213534.67 1 +212828.07 5980.0 C57
2020-09-19 16:34:12 S 02 47 14.966 -51 42 49.82 V C57
2020-09-19 16:34:12 s 1 -213725.28 6 +211628.88 5200.0 C57
2020-09-19 16:54:12 S 02 47 20.861 -51 43 12.83 V C57
2020-09-19 16:54:12 s 1 -213911.39 6 +210425.21 1580.0 C57
2020-09-19 17:04:12 S 02 47 23.842 -51 43 26.65 V C57
2020-09-19 17:04:12 s 1 -214002.75 1 +209821.69 3700.0 C57
2020-09-19 17:14:12 S 02 47 26.398 -51 43 37.96 V C57
2020-09-19 17:14:12 s 1 -214092.96 5 +209217.05 5090.0 C57
2020-09-19 17:24:12 S 02 47 29.266 -51 43 47.93 V C57
2020-09-19 17:24:12 s 1 -214182.03 5 +208611.29 5770.0 C57
2020-09-19 17:34:12 S 02 47 32.299 -51 44 01.79 V C57
2020-09-19 17:34:12 s 1 -214269.95 7 +208004.41 5720.0 C57
2020-09-19 18:14:12 S 02 47 43.536 -51 44 44.09 V C57
2020-09-19 18:14:12 s 1 -214610.05 8 +205565.62 8240.0 C57
2020-09-19 18:24:12 S 02 47 47.095 -51 44 55.39 V C57
2020-09-19 18:24:12 s 1 -214692.16 5 +204953.10 4540.0 C57
2020-09-19 19:04:12 S 02 47 58.428 -51 45 42.73 V C57
2020-09-19 19:04:12 s 1 -215008.77 2 +202491.77 2280.0 C57
2020-09-19 19:14:12 S 02 48 01.428 -51 45 55.58 V C57
2020-09-19 19:14:12 s 1 -215084.94 6 +201873.61 4850.0 C57
2020-09-19 19:54:12 S 02 48 13.426 -51 46 36.16 V C57
2020-09-19 19:54:12 s 1 -215377.57 7 +199389.64 7540.0 C57
2020-09-19 20:04:12 S 02 48 15.754 -51 46 53.36 V C57
2020-09-19 20:04:12 s 1 -215447.69 5 +198765.82 6310.0 C57
2020-09-19 20:34:12 S 02 48 24.528 -51 47 26.88 V C57
2020-09-19 20:34:12 s 1 -215650.67 2 +196887.52 7980.0 C57
2020-09-19 20:44:12 S 02 48 28.118 -51 47 39.91 V C57
2020-09-19 20:44:12 s 1 -215715.85 6 +196259.15 3660.0 C57
2020-09-19 21:04:12 S 02 48 33.638 -51 48 00.14 V C57
2020-09-19 21:04:12 s 1 -215842.47 8 +194998.99 2660.0 C57
2020-09-19 21:14:12 S 02 48 36.386 -51 48 11.05 V C57
2020-09-19 21:14:12 s 1 -215903.90 7 +194367.20 5990.0 C57
2020-09-19 21:34:12 S 02 48 42.060 -51 48 34.96 V C57
2020-09-19 21:34:12 s 1 -216022.97 2 +193100.21 270.0 C57
2020-09-19 21:44:12 S 02 48 45.838 -51 48 48.53 V C57