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 06:54:11 s 1 -128463.09 6 +365770.58 2550.0 C57
2020-10-01 07:04:11 S 04 20 53.971 -57 19 47.32 V C57
2020-10-01 07:04:11 s 1 -128790.96 2 +365533.04 4210.0 C57
2020-10-01 07:14:11 S 04 20 57.970 -57 19 59.70 V C57
2020-10-01 07:14:11 s 1 -129118.52 0 +365294.58 5590.0 C57
2020-10-01 07:34:11 S 04 21 06.538 -57 20 09.49 V C57
2020-10-01 07:34:11 s 1 -129772.70 6 +364814.95 7510.0 C57
2020-10-01 07:44:11 S 04 21 10.968 -57 20 14.24 V C57
2020-10-01 07:44:11 s 1 -130099.33 2 +364573.77 8050.0 C57
2020-10-01 07:54:11 S 04 21 14.957 -57 20 10.82 V C57
2020-10-01 07:54:11 s 1 -130425.64 5 +364331.68 8310.0 C57
2020-10-01 08:04:11 S 04 21 18.912 -57 20 21.80 V C57
2020-10-01 08:04:11 s 1 -130751.64 4 +364088.68 8290.0 C57
2020-10-01 08:14:11 S 04 21 22.721 -57 20 21.95 V C57
2020-10-01 08:14:11 s 1 -131077.32 7 +363844.77 7990.0 C57
2020-10-01 08:24:11 S 04 21 27.437 -57 20 26.02 V C57
2020-10-01 08:24:11 s 1 -131402.69 4 +363599.95 7400.0 C57
2020-10-01 08:34:11 S 04 21 31.788 -57 20 29.44 V C57
2020-10-01 08:34:11 s 1 -131727.74 4 +363354.22 6530.0 C57
2020-10-01 08:44:11 S 04 21 35.405 -57 20 30.73 V C57
2020-10-01 08:44:11 s 1 -132052.47 6 +363107.58 5380.0 C57
2020-10-01 08:54:11 S 04 21 40.181 -57 20 36.35 V C57
2020-10-01 08:54:11 s 1 -132376.88 7 +362860.02 3940.0 C57
2020-10-01 09:04:11 S 04 21 43.754 -57 20 36.42 V C57
2020-10-01 09:04:11 s 1 -132700.97 8 +362611.56 2210.0 C57
2020-10-01 09:14:11 S 04 21 48.072 -57 20 41.78 V C57
2020-10-01 09:14:11 s 1 -133024.74 8 +362362.19 200.0 C57
2020-10-01 09:24:11 S 04 21 51.854 -57 20 47.18 V C57
2020-10-01 09:24:11 s 1 -133348.19 4 +362111.90 7900.0 C57
2020-10-01 09:34:11 S 04 21 56.671 -57 20 48.80 V C57
2020-10-01 09:34:11 s 1 -133671.31 6 +361860.70 5300.0 C57
2020-10-01 09:44:11 S 04 22 00.437 -57 20 53.92 V C57
2020-10-01 09:44:11 s 1 -133994.11 3 +361608.59 2420.0 C57
2020-10-01 09:54:11 S 04 22 04.615 -57 20 55.39 V C57
2020-10-01 09:54:11 s 1 -134316.58 4 +361355.57 9250.0 C57
2020-10-01 10:04:11 S 04 22 08.614 -57 21 00.61 V C57
2020-10-01 10:04:11 s 1 -134638.72 8 +361101.63 5790.0 C57
2020-10-01 10:14:11 S 04 22 12.660 -57 21 04.43 V C57
2020-10-01 10:14:11 s 1 -134960.54 2 +360846.78 2040.0 C57
2020-10-01 10:24:11 S 04 22 17.038 -57 21 06.80 V C57
2020-10-01 10:24:11 s 1 -135282.02 7 +360591.02 7990.0 C57
2020-10-01 10:34:11 S 04 22 21.274 -57 21 07.96 V C57
2020-10-01 10:34:11 s 1 -135603.18 2 +360334.34 3650.0 C57
2020-10-01 10:44:11 S 04 22 25.754 -57 21 12.64 V C57
2020-10-01 10:44:11 s 1 -135924.00 4 +360076.76 9020.0 C57
2020-10-01 10:54:11 S 04 22 29.095 -57 21 17.71 V C57
2020-10-01 10:54:11 s 1 -136244.49 3 +359818.25 4090.0 C57
2020-10-01 11:04:11 S 04 22 33.605 -57 21 18.43 V C57
2020-10-01 11:04:11 s 1 -136564.64 8 +359558.84 8860.0 C57
2020-10-01 11:14:11 S 04 22 37.435 -57 21 21.78 V C57