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 01:04:11 s 1 -162140.28 6 +334473.73 7890.0 C57
2020-10-02 01:14:11 S 04 28 32.914 -57 25 02.68 V C57
2020-10-02 01:14:11 s 1 -162427.50 8 +334135.48 4390.0 C57
2020-10-02 01:24:11 S 04 28 37.114 -57 25 06.28 V C57
2020-10-02 01:24:11 s 1 -162714.28 5 +333796.28 520.0 C57
2020-10-02 01:34:11 S 04 28 41.496 -57 25 03.07 V C57
2020-10-02 01:34:11 s 1 -163000.61 5 +333456.14 6280.0 C57
2020-10-02 01:44:11 S 04 28 46.030 -57 25 08.47 V C57
2020-10-02 01:44:11 s 1 -163286.49 8 +333115.06 1660.0 C57
2020-10-02 01:54:11 S 04 28 50.321 -57 25 08.22 V C57
2020-10-02 01:54:11 s 1 -163571.93 1 +332773.03 6660.0 C57
2020-10-02 02:04:11 S 04 28 54.358 -57 25 14.38 V C57
2020-10-02 02:04:11 s 1 -163856.91 3 +332430.06 1290.0 C57
2020-10-02 02:14:11 S 04 28 59.208 -57 25 12.86 V C57
2020-10-02 02:14:11 s 1 -164141.44 2 +332086.15 5540.0 C57
2020-10-02 02:24:11 S 04 29 03.182 -57 25 14.02 V C57
2020-10-02 02:24:11 s 1 -164425.51 8 +331741.29 9420.0 C57
2020-10-02 02:34:11 S 04 29 07.469 -57 25 18.44 V C57
2020-10-02 02:34:11 s 1 -164709.13 8 +331395.48 2910.0 C57
2020-10-02 02:44:11 S 04 29 11.890 -57 25 17.65 V C57
2020-10-02 02:44:11 s 1 -164992.30 1 +331048.73 6020.0 C57
2020-10-02 02:54:11 S 04 29 16.092 -57 25 18.98 V C57
2020-10-02 02:54:11 s 1 -165275.00 7 +330701.03 8750.0 C57
2020-10-02 03:04:11 S 04 29 20.196 -57 25 24.06 V C57
2020-10-02 03:04:11 s 1 -165557.25 2 +330352.38 1100.0 C57
2020-10-02 03:14:11 S 04 29 24.787 -57 25 21.43 V C57
2020-10-02 03:14:11 s 1 -165839.03 5 +330002.79 3070.0 C57
2020-10-02 03:24:11 S 04 29 29.174 -57 25 23.95 V C57
2020-10-02 03:24:11 s 1 -166120.35 6 +329652.25 4650.0 C57
2020-10-02 03:34:11 S 04 29 33.353 -57 25 24.49 V C57
2020-10-02 03:34:11 s 1 -166401.21 3 +329300.76 5850.0 C57
2020-10-02 03:44:11 S 04 29 37.769 -57 25 28.96 V C57
2020-10-02 03:44:11 s 1 -166681.60 3 +328948.32 6660.0 C57
2020-10-02 03:54:11 S 04 29 42.434 -57 25 31.98 V C57
2020-10-02 03:54:11 s 1 -166961.52 6 +328594.93 7080.0 C57
2020-10-02 04:04:11 S 04 29 46.601 -57 25 31.40 V C57
2020-10-02 04:04:11 s 1 -167240.98 0 +328240.59 7110.0 C57
2020-10-02 04:14:11 S 04 29 50.669 -57 25 33.64 V C57
2020-10-02 04:14:11 s 1 -167519.96 4 +327885.31 6750.0 C57
2020-10-02 04:24:11 S 04 29 55.560 -57 25 30.29 V C57
2020-10-02 04:24:11 s 1 -167798.47 6 +327529.07 6010.0 C57
2020-10-02 04:34:11 S 04 29 58.985 -57 25 37.70 V C57
2020-10-02 04:34:11 s 1 -168076.51 4 +327171.88 4870.0 C57
2020-10-02 04:44:11 S 04 30 04.387 -57 25 40.94 V C57
2020-10-02 04:44:11 s 1 -168354.07 6 +326813.74 3330.0 C57
2020-10-02 04:54:11 S 04 30 07.430 -57 25 40.69 V C57
2020-10-02 04:54:11 s 1 -168631.16 3 +326454.65 1410.0 C57
2020-10-02 05:04:11 S 04 30 12.689 -57 25 42.49 V C57
2020-10-02 05:04:11 s 1 -168907.77 0 +326094.61 9090.0 C57
2020-10-02 05:14:11 S 04 30 16.490 -57 25 42.89 V C57