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
2020-10-02 15:24:11 s 1 -185054.70 6 +301892.85 7130.0 C57
2020-10-02 15:34:11 S 04 34 49.152 -57 26 50.42 V C57
2020-10-02 15:34:11 s 1 -185297.79 3 +301471.86 7630.0 C57
2020-10-02 15:44:11 S 04 34 53.678 -57 26 53.88 V C57
2020-10-02 15:44:11 s 1 -185540.29 1 +301049.88 7660.0 C57
2020-10-02 15:54:11 S 04 34 58.644 -57 26 50.75 V C57
2020-10-02 15:54:11 s 1 -185782.19 6 +300626.92 7210.0 C57
2020-10-02 16:04:11 S 04 35 03.017 -57 26 52.08 V C57
2020-10-02 16:04:11 s 1 -186023.50 7 +300202.98 6290.0 C57
2020-10-02 16:14:11 S 04 35 07.282 -57 26 48.55 V C57
2020-10-02 16:14:11 s 1 -186264.22 3 +299778.05 4900.0 C57
2020-10-02 16:24:11 S 04 35 12.067 -57 26 50.03 V C57
2020-10-02 16:24:11 s 1 -186504.34 0 +299352.13 3030.0 C57
2020-10-02 16:44:11 S 04 35 20.328 -57 26 53.34 V C57
2020-10-02 16:44:11 s 1 -186982.77 2 +298497.33 7860.0 C57
2020-10-02 16:54:11 S 04 35 25.500 -57 26 52.26 V C57
2020-10-02 16:54:11 s 1 -187221.08 2 +298068.45 4560.0 C57
2020-10-02 17:04:11 S 04 35 29.897 -57 26 57.55 V C57
2020-10-02 17:04:11 s 1 -187458.78 7 +297638.59 770.0 C57
2020-10-02 17:44:11 S 04 35 47.808 -57 26 56.29 V C57
2020-10-02 17:44:11 s 1 -188403.50 5 +295909.22 790.0 C57
2020-10-02 17:54:11 S 04 35 52.097 -57 26 58.45 V C57
2020-10-02 17:54:11 s 1 -188638.14 8 +295474.40 4580.0 C57
2020-10-02 18:04:11 S 04 35 56.266 -57 26 57.44 V C57
2020-10-02 18:04:11 s 1 -188872.17 4 +295038.59 7880.0 C57
2020-10-02 18:14:11 S 04 36 01.085 -57 26 59.53 V C57
2020-10-02 18:14:11 s 1 -189105.57 9 +294601.79 680.0 C57
2020-10-02 18:24:11 S 04 36 05.422 -57 26 58.70 V C57
2020-10-02 18:24:11 s 1 -189338.36 1 +294164.00 3000.0 C57
2020-10-02 18:34:11 S 04 36 09.994 -57 27 02.09 V C57
2020-10-02 18:34:11 s 1 -189570.51 9 +293725.21 4820.0 C57
2020-10-02 18:44:11 S 04 36 14.827 -57 26 57.23 V C57
2020-10-02 18:44:11 s 1 -189802.05 0 +293285.43 6150.0 C57
2020-10-02 18:54:11 S 04 36 19.030 -57 26 55.21 V C57
2020-10-02 18:54:11 s 1 -190032.95 2 +292844.65 6980.0 C57
2020-10-02 19:04:11 S 04 36 23.563 -57 26 57.59 V C57
2020-10-02 19:04:11 s 1 -190263.22 4 +292402.88 7310.0 C57
2020-10-02 19:14:11 S 04 36 28.116 -57 26 55.25 V C57
2020-10-02 19:14:11 s 1 -190492.86 2 +291960.11 7150.0 C57
2020-10-02 19:24:11 S 04 36 32.138 -57 27 01.37 V C57
2020-10-02 19:24:11 s 1 -190721.86 5 +291516.34 6480.0 C57
2020-10-02 19:34:11 S 04 36 37.243 -57 26 57.26 V C57
2020-10-02 19:34:11 s 1 -190950.23 1 +291071.58 5310.0 C57
2020-10-02 19:44:11 S 04 36 41.554 -57 26 59.24 V C57
2020-10-02 19:44:11 s 1 -191177.95 7 +290625.82 3640.0 C57
2020-10-02 19:54:11 S 04 36 45.955 -57 26 58.31 V C57
2020-10-02 19:54:11 s 1 -191405.04 2 +290179.06 1460.0 C57
2020-10-02 20:44:11 S 04 37 08.654 -57 26 56.94 V C57
2020-10-02 20:44:11 s 1 -192530.76 5 +287930.28 2940.0 C57
2020-10-02 20:54:11 S 04 37 13.042 -57 26 57.59 V C57