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
2020-10-09 23:04:11 s 1 +169411.07 6 +237237.33 7950.0 C57
2020-10-09 23:14:11 S 06 11 27.746 -56 37 46.74 V C57
2020-10-09 23:14:11 s 1 +169201.15 5 +237845.02 4990.0 C57
2020-10-09 23:24:11 S 06 11 31.970 -56 37 50.30 V C57
2020-10-09 23:24:11 s 1 +168990.25 7 +238451.33 1560.0 C57
2020-10-09 23:34:11 S 06 11 37.486 -56 37 34.54 V C57
2020-10-09 23:34:11 s 1 +168778.38 5 +239056.27 7660.0 C57
2020-10-09 23:44:11 S 06 11 43.358 -56 37 37.70 V C57
2020-10-09 23:44:11 s 1 +168565.54 5 +239659.83 3290.0 C57
2020-10-09 23:54:11 S 06 11 46.973 -56 37 29.32 V C57
2020-10-09 23:54:11 s 1 +168351.74 3 +240262.02 8450.0 C57
2020-10-10 00:04:11 S 06 11 53.669 -56 37 23.16 V C57
2020-10-10 00:04:11 s 1 +168136.98 2 +240862.83 3150.0 C57
2020-10-10 00:14:11 S 06 11 58.094 -56 37 26.47 V C57
2020-10-10 00:14:11 s 1 +167921.26 8 +241462.28 7380.0 C57
2020-10-10 00:24:11 S 06 12 02.201 -56 37 14.84 V C57
2020-10-10 00:24:11 s 1 +167704.60 5 +242060.36 1160.0 C57
2020-10-10 00:34:11 S 06 12 07.495 -56 37 05.95 V C57
2020-10-10 00:34:11 s 1 +167486.99 8 +242657.08 4490.0 C57
2020-10-10 00:44:11 S 06 12 12.108 -56 37 00.88 V C57
2020-10-10 00:44:11 s 1 +167268.45 2 +243252.43 7360.0 C57
2020-10-10 00:54:11 S 06 12 17.575 -56 37 00.59 V C57
2020-10-10 00:54:11 s 1 +167048.97 2 +243846.42 9780.0 C57
2020-10-10 01:04:11 S 06 12 23.431 -56 36 52.20 V C57
2020-10-10 01:04:11 s 1 +166828.56 2 +244439.05 1760.0 C57
2020-10-10 01:24:11 S 06 12 32.976 -56 36 42.16 V C57
2020-10-10 01:24:11 s 1 +166384.97 0 +245620.23 4380.0 C57
2020-10-10 02:04:11 S 06 12 54.240 -56 36 20.84 V C57
2020-10-10 02:04:11 s 1 +165486.83 4 +247966.34 4380.0 C57
2020-10-10 02:24:11 S 06 13 04.001 -56 36 10.33 V C57
2020-10-10 02:24:11 s 1 +165032.36 0 +249131.29 1800.0 C57
2020-10-10 02:44:11 S 06 13 13.898 -56 35 57.16 V C57
2020-10-10 02:44:11 s 1 +164574.33 1 +250290.87 7520.0 C57
2020-10-10 03:14:11 S 06 13 29.568 -56 35 40.52 V C57
2020-10-10 03:14:11 s 1 +163880.69 7 +252020.16 7980.0 C57
2020-10-10 03:24:11 S 06 13 34.601 -56 35 27.74 V C57
2020-10-10 03:24:11 s 1 +163647.74 6 +252593.91 3980.0 C57
2020-10-10 03:34:11 S 06 13 38.796 -56 35 23.57 V C57
2020-10-10 03:34:11 s 1 +163413.93 1 +253166.33 9570.0 C57
2020-10-10 03:44:11 S 06 13 44.825 -56 35 20.15 V C57
2020-10-10 03:44:11 s 1 +163179.25 9 +253737.41 4750.0 C57
2020-10-10 03:54:11 S 06 13 49.769 -56 35 13.85 V C57
2020-10-10 03:54:11 s 1 +162943.73 1 +254307.17 9530.0 C57
2020-10-10 04:14:11 S 06 13 59.146 -56 35 06.76 V C57
2020-10-10 04:14:11 s 1 +162470.13 1 +255442.68 7890.0 C57
2020-10-10 04:24:11 S 06 14 04.519 -56 35 00.02 V C57
2020-10-10 04:24:11 s 1 +162232.06 5 +256008.44 1480.0 C57
2020-10-10 04:34:11 S 06 14 09.823 -56 34 50.77 V C57
2020-10-10 04:34:11 s 1 +161993.16 3 +256572.87 4670.0 C57
2020-10-10 04:44:11 S 06 14 15.708 -56 34 44.47 V C57