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
2020-09-12 04:54:12 S 02 09 26.045 -47 37 51.71 V C57
2020-09-12 04:54:12 s 1 +126869.38 2 +281950.94 3820.0 C57
2020-09-12 05:14:12 S 02 09 29.093 -47 38 18.31 V C57
2020-09-12 05:14:12 s 1 +126286.53 2 +282960.31 7190.0 C57
2020-09-12 05:54:12 S 02 09 35.700 -47 39 27.90 V C57
2020-09-12 05:54:12 s 1 +125113.37 0 +284962.60 9760.0 C57
2020-09-12 06:14:12 S 02 09 38.225 -47 40 00.98 V C57
2020-09-12 06:14:12 s 1 +124523.11 3 +285955.53 9000.0 C57
2020-09-12 06:24:12 S 02 09 40.082 -47 40 07.43 V C57
2020-09-12 06:24:12 s 1 +124227.07 7 +286449.96 8120.0 C57
2020-09-12 06:44:12 S 02 09 42.002 -47 40 41.45 V C57
2020-09-12 06:44:12 s 1 +123633.20 6 +287434.74 5340.0 C57
2020-09-12 07:04:12 S 02 09 46.231 -47 41 17.34 V C57
2020-09-12 07:04:12 s 1 +123036.95 9 +288414.09 1240.0 C57
2020-09-12 07:54:12 S 02 09 53.630 -47 42 34.16 V C57
2020-09-12 07:54:12 s 1 +121536.11 3 +290838.85 5270.0 C57
2020-09-12 08:14:12 S 02 09 56.282 -47 43 09.12 V C57
2020-09-12 08:14:12 s 1 +120931.74 9 +291799.34 6640.0 C57
2020-09-12 08:24:12 S 02 09 58.260 -47 43 19.92 V C57
2020-09-12 08:24:12 s 1 +120628.71 7 +292277.58 1840.0 C57
2020-09-12 08:44:12 S 02 10 00.775 -47 43 52.36 V C57
2020-09-12 08:44:12 s 1 +120020.96 9 +293230.04 1310.0 C57
2020-09-12 10:04:12 S 02 10 12.905 -47 45 53.50 V C57
2020-09-12 10:04:12 s 1 +117567.95 3 +296986.73 6860.0 C57
2020-09-12 10:44:12 S 02 10 19.865 -47 46 59.88 V C57
2020-09-12 10:44:12 s 1 +116328.56 5 +298833.37 2420.0 C57
2020-09-12 11:34:12 S 02 10 27.799 -47 48 20.84 V C57
2020-09-12 11:34:12 s 1 +114767.62 1 +301112.18 2800.0 C57
2020-09-12 11:44:12 S 02 10 28.726 -47 48 38.23 V C57
2020-09-12 11:44:12 s 1 +114453.89 9 +301564.03 2020.0 C57
2020-09-12 11:54:12 S 02 10 30.518 -47 48 56.34 V C57
2020-09-12 11:54:12 s 1 +114139.67 3 +302014.57 960.0 C57
2020-09-12 12:14:12 S 02 10 33.684 -47 49 23.27 V C57
2020-09-12 12:14:12 s 1 +113509.71 8 +302911.77 7980.0 C57
2020-09-12 12:24:12 S 02 10 35.465 -47 49 39.47 V C57
2020-09-12 12:24:12 s 1 +113193.99 5 +303358.42 6080.0 C57
2020-09-12 13:04:12 S 02 10 42.036 -47 50 42.25 V C57
2020-09-12 13:04:12 s 1 +111926.19 4 +305132.11 5700.0 C57
2020-09-12 13:54:12 S 02 10 49.310 -47 52 01.60 V C57
2020-09-12 13:54:12 s 1 +110330.59 7 +307320.27 6650.0 C57
2020-09-12 14:34:12 S 02 10 55.462 -47 52 59.74 V C57
2020-09-12 14:34:12 s 1 +109045.64 8 +309047.76 6660.0 C57
2020-09-12 14:54:12 S 02 10 58.630 -47 53 33.97 V C57
2020-09-12 14:54:12 s 1 +108400.40 5 +309903.86 5120.0 C57
2020-09-12 15:04:12 S 02 11 00.682 -47 53 49.34 V C57
2020-09-12 15:04:12 s 1 +108077.10 1 +310330.01 8970.0 C57
2020-09-12 15:24:12 S 02 11 03.264 -47 54 16.88 V C57
2020-09-12 15:24:12 s 1 +107429.13 9 +311178.51 5900.0 C57
2020-09-12 15:54:12 S 02 11 08.165 -47 54 59.94 V C57
2020-09-12 15:54:12 s 1 +106453.84 9 +312441.77 4420.0 C57