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
2020-09-18 04:44:12 s 1 -173169.12 3 +316123.90 3830.0 C57
2020-09-18 04:54:12 S 02 37 43.474 -51 00 28.58 V C57
2020-09-18 04:54:12 s 1 -173431.15 5 +315746.97 7540.0 C57
2020-09-18 05:04:12 S 02 37 45.835 -51 00 33.12 V C57
2020-09-18 05:04:12 s 1 -173692.65 2 +315369.07 890.0 C57
2020-09-18 05:14:12 S 02 37 47.635 -51 00 44.24 V C57
2020-09-18 05:14:12 s 1 -173953.61 3 +314990.18 3860.0 C57
2020-09-18 05:24:12 S 02 37 50.755 -51 00 59.15 V C57
2020-09-18 05:24:12 s 1 -174214.03 7 +314610.31 6460.0 C57
2020-09-18 05:44:12 S 02 37 55.073 -51 01 25.57 V C57
2020-09-18 05:44:12 s 1 -174733.26 3 +313847.64 540.0 C57
2020-09-18 06:14:12 S 02 38 02.882 -51 02 02.26 V C57
2020-09-18 06:14:12 s 1 -175508.02 5 +312696.27 3860.0 C57
2020-09-18 06:24:12 S 02 38 05.155 -51 02 11.11 V C57
2020-09-18 06:24:12 s 1 -175765.18 5 +312310.51 4210.0 C57
2020-09-18 06:44:12 S 02 38 10.906 -51 02 39.77 V C57
2020-09-18 06:44:12 s 1 -176277.85 3 +311536.05 3780.0 C57
2020-09-18 06:54:12 S 02 38 13.550 -51 02 45.38 V C57
2020-09-18 06:54:12 s 1 -176533.35 7 +311147.34 3000.0 C57
2020-09-18 07:34:12 S 02 38 23.258 -51 03 40.14 V C57
2020-09-18 07:34:12 s 1 -177549.80 3 +309582.65 6030.0 C57
2020-09-18 07:54:12 S 02 38 28.466 -51 04 00.19 V C57
2020-09-18 07:54:12 s 1 -178054.65 9 +308794.39 240.0 C57
2020-09-18 08:04:12 S 02 38 30.910 -51 04 17.08 V C57
2020-09-18 08:04:12 s 1 -178306.23 8 +308398.77 6770.0 C57
2020-09-18 08:24:12 S 02 38 35.304 -51 04 40.37 V C57
2020-09-18 08:24:12 s 1 -178807.69 1 +307604.58 8650.0 C57
2020-09-18 08:44:12 S 02 38 40.920 -51 05 05.10 V C57
2020-09-18 08:44:12 s 1 -179306.85 7 +306806.43 8970.0 C57
2020-09-18 08:54:12 S 02 38 43.500 -51 05 19.21 V C57
2020-09-18 08:54:12 s 1 -179555.57 8 +306405.87 3540.0 C57
2020-09-18 09:04:12 S 02 38 46.066 -51 05 36.31 V C57
2020-09-18 09:04:12 s 1 -179803.72 2 +306004.32 7710.0 C57
2020-09-18 09:14:12 S 02 38 48.300 -51 05 45.92 V C57
2020-09-18 09:14:12 s 1 -180051.28 7 +305601.78 1500.0 C57
2020-09-18 09:24:12 S 02 38 50.777 -51 05 53.05 V C57
2020-09-18 09:24:12 s 1 -180298.27 0 +305198.24 4880.0 C57
2020-09-18 09:34:12 S 02 38 53.515 -51 06 09.65 V C57
2020-09-18 09:34:12 s 1 -180544.67 1 +304793.71 7870.0 C57
2020-09-18 09:44:12 S 02 38 55.858 -51 06 23.80 V C57
2020-09-18 09:44:12 s 1 -180790.48 7 +304388.19 470.0 C57
2020-09-18 09:54:12 S 02 38 58.550 -51 06 31.28 V C57
2020-09-18 09:54:12 s 1 -181035.71 7 +303981.68 2660.0 C57
2020-09-18 10:04:12 S 02 39 01.123 -51 06 45.54 V C57
2020-09-18 10:04:12 s 1 -181280.35 8 +303574.17 4450.0 C57
2020-09-18 10:14:12 S 02 39 03.338 -51 06 57.78 V C57
2020-09-18 10:14:12 s 1 -181524.40 9 +303165.67 5840.0 C57
2020-09-18 10:34:12 S 02 39 08.832 -51 07 20.28 V C57
2020-09-18 10:34:12 s 1 -182010.73 1 +302345.68 7410.0 C57
2020-09-18 10:44:12 S 02 39 11.359 -51 07 34.46 V C57