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
2020-10-09 08:44:11 s 1 +183180.00 5 +179633.16 1960.0 C57
2020-10-09 08:54:11 S 06 04 05.345 -56 43 37.70 V C57
2020-10-09 08:54:11 s 1 +183076.60 7 +180365.78 2870.0 C57
2020-10-09 09:14:11 S 06 04 15.499 -56 43 29.68 V C57
2020-10-09 09:14:11 s 1 +182865.18 0 +181826.44 2290.0 C57
2020-10-09 09:54:11 S 06 04 36.048 -56 43 19.45 V C57
2020-10-09 09:54:11 s 1 +182424.03 6 +184729.53 1600.0 C57
2020-10-09 10:04:11 S 06 04 41.518 -56 43 11.35 V C57
2020-10-09 10:04:11 s 1 +182309.99 0 +185451.51 6980.0 C57
2020-10-09 10:24:11 S 06 04 51.300 -56 43 07.50 V C57
2020-10-09 10:24:11 s 1 +182077.44 4 +186890.93 5420.0 C57
2020-10-09 11:14:11 S 06 05 17.225 -56 42 49.00 V C57
2020-10-09 11:14:11 s 1 +181470.48 5 +190463.09 3300.0 C57
2020-10-09 11:24:11 S 06 05 22.068 -56 42 44.93 V C57
2020-10-09 11:24:11 s 1 +181344.77 1 +191173.00 2640.0 C57
2020-10-09 11:34:11 S 06 05 28.234 -56 42 48.35 V C57
2020-10-09 11:34:11 s 1 +181217.63 4 +191881.42 1250.0 C57
2020-10-09 11:44:11 S 06 05 32.602 -56 42 43.85 V C57
2020-10-09 11:44:11 s 1 +181089.08 2 +192588.34 9140.0 C57
2020-10-09 12:14:11 S 06 05 48.343 -56 42 36.65 V C57
2020-10-09 12:14:11 s 1 +180695.01 8 +194700.12 8460.0 C57
2020-10-09 12:34:11 S 06 05 58.373 -56 42 27.32 V C57
2020-10-09 12:34:11 s 1 +180425.37 7 +196100.51 7770.0 C57
2020-10-09 12:44:11 S 06 06 04.457 -56 42 17.82 V C57
2020-10-09 12:44:11 s 1 +180288.50 0 +196798.47 1380.0 C57
2020-10-09 13:04:11 S 06 06 14.227 -56 42 21.85 V C57
2020-10-09 13:04:11 s 1 +180010.67 0 +198189.94 6500.0 C57
2020-10-09 13:14:11 S 06 06 19.224 -56 42 13.54 V C57
2020-10-09 13:14:11 s 1 +179869.73 2 +198883.44 8030.0 C57
2020-10-09 13:24:11 S 06 06 24.482 -56 42 07.78 V C57
2020-10-09 13:24:11 s 1 +179727.45 5 +199575.47 8870.0 C57
2020-10-09 14:24:11 S 06 06 55.642 -56 41 39.84 V C57
2020-10-09 14:24:11 s 1 +178846.07 8 +203696.60 9770.0 C57
2020-10-09 14:44:11 S 06 07 06.437 -56 41 39.12 V C57
2020-10-09 14:44:11 s 1 +178541.89 8 +205058.53 1450.0 C57
2020-10-09 14:54:11 S 06 07 10.106 -56 41 35.95 V C57
2020-10-09 14:54:11 s 1 +178387.89 1 +205737.30 6320.0 C57
2020-10-09 15:24:11 S 06 07 25.968 -56 41 22.02 V C57
2020-10-09 15:24:11 s 1 +177918.28 8 +207764.82 7070.0 C57
2020-10-09 15:34:11 S 06 07 31.486 -56 41 21.59 V C57
2020-10-09 15:34:11 s 1 +177759.24 8 +208437.74 9390.0 C57
2020-10-09 15:54:11 S 06 07 41.710 -56 41 10.21 V C57
2020-10-09 15:54:11 s 1 +177437.45 0 +209779.22 2140.0 C57
2020-10-09 16:04:11 S 06 07 46.488 -56 41 11.94 V C57
2020-10-09 16:04:11 s 1 +177274.70 5 +210447.77 2580.0 C57
2020-10-09 16:14:11 S 06 07 51.672 -56 41 04.78 V C57
2020-10-09 16:14:11 s 1 +177110.73 8 +211114.87 2410.0 C57
2020-10-09 16:24:11 S 06 07 57.048 -56 41 01.72 V C57
2020-10-09 16:24:11 s 1 +176945.55 6 +211780.52 1620.0 C57
2020-10-09 16:54:11 S 06 08 11.935 -56 40 47.71 V C57