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
2020-10-01 20:14:11 s 1 -153623.62 8 +343874.69 1800.0 C57
2020-10-01 20:24:11 S 04 26 29.239 -57 23 53.23 V C57
2020-10-01 20:24:11 s 1 -153923.14 3 +343563.61 8670.0 C57
2020-10-01 20:34:11 S 04 26 32.846 -57 23 58.85 V C57
2020-10-01 20:34:11 s 1 -154222.25 3 +343251.60 5200.0 C57
2020-10-01 20:44:11 S 04 26 37.397 -57 24 03.13 V C57
2020-10-01 20:44:11 s 1 -154520.95 7 +342938.65 1390.0 C57
2020-10-01 20:54:11 S 04 26 41.592 -57 24 04.28 V C57
2020-10-01 20:54:11 s 1 -154819.25 4 +342624.78 7230.0 C57
2020-10-01 21:04:11 S 04 26 46.099 -57 24 03.82 V C57
2020-10-01 21:04:11 s 1 -155117.14 3 +342309.97 2720.0 C57
2020-10-01 21:24:11 S 04 26 54.430 -57 24 15.23 V C57
2020-10-01 21:24:11 s 1 -155711.68 8 +341677.55 2660.0 C57
2020-10-01 21:34:11 S 04 26 58.344 -57 24 14.62 V C57
2020-10-01 21:34:11 s 1 -156008.34 2 +341359.94 7110.0 C57
2020-10-01 21:44:11 S 04 27 03.019 -57 24 21.13 V C57
2020-10-01 21:44:11 s 1 -156304.58 2 +341041.40 1200.0 C57
2020-10-01 22:04:11 S 04 27 11.933 -57 24 17.57 V C57
2020-10-01 22:04:11 s 1 -156895.81 4 +340401.51 8330.0 C57
2020-10-01 22:24:11 S 04 27 20.143 -57 24 26.60 V C57
2020-10-01 22:24:11 s 1 -157485.37 3 +339757.87 4050.0 C57
2020-10-01 22:34:11 S 04 27 24.182 -57 24 26.50 V C57
2020-10-01 22:34:11 s 1 -157779.52 2 +339434.65 6370.0 C57
2020-10-01 22:44:11 S 04 27 28.670 -57 24 28.01 V C57
2020-10-01 22:44:11 s 1 -158073.24 8 +339110.49 8340.0 C57
2020-10-01 22:54:11 S 04 27 33.058 -57 24 32.76 V C57
2020-10-01 22:54:11 s 1 -158366.55 1 +338785.40 9950.0 C57
2020-10-01 23:04:11 S 04 27 37.373 -57 24 35.78 V C57
2020-10-01 23:04:11 s 1 -158659.42 9 +338459.37 1200.0 C57
2020-10-01 23:14:11 S 04 27 41.743 -57 24 37.19 V C57
2020-10-01 23:14:11 s 1 -158951.88 0 +338132.40 2100.0 C57
2020-10-01 23:24:11 S 04 27 45.638 -57 24 40.10 V C57
2020-10-01 23:24:11 s 1 -159243.90 3 +337804.49 2630.0 C57
2020-10-01 23:34:11 S 04 27 49.961 -57 24 43.49 V C57
2020-10-01 23:34:11 s 1 -159535.49 6 +337475.64 2800.0 C57
2020-10-01 23:44:11 S 04 27 54.305 -57 24 42.77 V C57
2020-10-01 23:44:11 s 1 -159826.65 9 +337145.86 2600.0 C57
2020-10-01 23:54:11 S 04 27 58.884 -57 24 44.82 V C57
2020-10-01 23:54:11 s 1 -160117.39 0 +336815.13 2050.0 C57
2020-10-02 00:04:11 S 04 28 02.525 -57 24 49.14 V C57
2020-10-02 00:04:11 s 1 -160407.68 8 +336483.47 1130.0 C57
2020-10-02 00:14:11 S 04 28 07.313 -57 24 49.79 V C57
2020-10-02 00:14:11 s 1 -160697.55 0 +336150.86 9840.0 C57
2020-10-02 00:24:11 S 04 28 11.412 -57 24 53.39 V C57
2020-10-02 00:24:11 s 1 -160986.97 6 +335817.32 8190.0 C57
2020-10-02 00:44:11 S 04 28 19.577 -57 24 55.66 V C57
2020-10-02 00:44:11 s 1 -161564.51 2 +335147.41 3780.0 C57
2020-10-02 00:54:11 S 04 28 24.497 -57 24 55.30 V C57
2020-10-02 00:54:11 s 1 -161852.62 0 +334811.04 1020.0 C57
2020-10-02 01:04:11 S 04 28 28.769 -57 25 01.56 V C57