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
2020-09-04 11:44:13 S 01 36 49.627 -42 31 51.49 V C57
2020-09-04 11:44:13 s 1 -177783.17 1 +315527.90 3450.0 C57
2020-09-04 13:34:13 S 01 37 07.416 -42 34 22.22 V C57
2020-09-04 13:34:13 s 1 -180435.67 0 +311318.12 4180.0 C57
2020-09-04 15:24:13 S 01 37 24.890 -42 36 51.98 V C57
2020-09-04 15:24:13 s 1 -183022.72 4 +306991.85 870.0 C57
2020-09-04 19:44:13 S 01 38 07.109 -42 42 39.53 V C57
2020-09-04 19:44:13 s 1 -188863.55 7 +296298.79 8680.0 C57
2020-09-04 20:14:13 S 01 38 11.815 -42 43 24.56 V C57
2020-09-04 20:14:13 s 1 -189511.62 0 +295022.38 1500.0 C57
2020-09-05 05:04:13 S 01 39 39.878 -42 55 47.42 V C57
2020-09-05 05:04:13 s 1 -199993.50 7 +270993.61 5340.0 C57
2020-09-05 10:04:13 S 01 40 29.822 -43 02 16.12 V C57
2020-09-05 10:04:13 s 1 -205031.52 3 +256127.22 4330.0 C57
2020-09-05 11:14:13 S 01 40 42.130 -43 03 59.22 V C57
2020-09-05 11:14:13 s 1 -206103.84 8 +252523.94 5930.0 C57
2020-09-05 11:34:13 S 01 40 45.708 -43 04 18.59 V C57
2020-09-05 11:34:13 s 1 -206402.71 6 +251485.00 5360.0 C57
2020-09-05 11:44:13 S 01 40 47.465 -43 04 33.71 V C57
2020-09-05 11:44:13 s 1 -206550.88 3 +250963.95 4410.0 C57
2020-09-05 13:14:13 S 01 41 01.387 -43 06 48.60 V C57
2020-09-05 13:14:13 s 1 -207845.81 9 +246227.06 5960.0 C57
2020-09-07 11:34:48 C 01 51 20.60 -44 22 42.1 V T08
2020-09-07 11:39:27 C 01 51 21.32 -44 22 50.0 V T08
2020-09-07 11:45:25 C 01 51 22.13 -44 22 58.9 V T08
2020-09-07 11:56:02 C 01 51 23.79 -44 23 15.6 V T08
2020-09-10 04:04:12 S 02 02 36.346 -46 14 13.67 V C57
2020-09-10 04:04:12 s 1 +158765.21 5 +64069.905 7290.0 C57
2020-09-10 04:14:12 S 02 02 37.639 -46 14 26.77 V C57
2020-09-10 04:14:12 s 1 +159003.25 0 +65083.404 2280.0 C57
2020-09-10 04:24:12 S 02 02 38.597 -46 14 45.17 V C57
2020-09-10 04:24:12 s 1 +159236.79 6 +66095.068 5110.0 C57
2020-09-10 05:04:12 S 02 02 44.102 -46 16 00.30 V C57
2020-09-10 05:04:12 s 1 +160126.89 8 +70123.204 5270.0 C57
2020-09-10 06:24:12 S 02 02 54.170 -46 18 39.10 V C57
2020-09-10 06:24:12 s 1 +161703.47 5 +78088.968 7820.0 C57
2020-09-10 06:54:12 S 02 02 58.920 -46 19 20.21 V C57
2020-09-10 06:54:12 s 1 +162227.72 1 +81044.481 1630.0 C57
2020-09-10 07:04:12 S 02 02 59.666 -46 19 45.91 V C57
2020-09-10 07:04:12 s 1 +162394.63 2 +82025.773 2470.0 C57
2020-09-10 07:14:12 S 02 03 01.090 -46 19 58.44 V C57
2020-09-10 07:14:12 s 1 +162557.68 2 +83005.117 1460.0 C57
2020-09-10 07:34:12 S 02 03 03.919 -46 20 42.07 V C57
2020-09-10 07:34:12 s 1 +162872.32 8 +84957.946 3930.0 C57
2020-09-10 08:04:12 S 02 03 07.546 -46 21 34.09 V C57
2020-09-10 08:04:12 s 1 +163316.15 2 +87872.484 9130.0 C57
2020-09-10 08:14:12 S 02 03 09.305 -46 21 56.88 V C57
2020-09-10 08:14:12 s 1 +163456.71 6 +88840.062 7310.0 C57
2020-09-10 08:24:12 S 02 03 10.642 -46 22 11.28 V C57
2020-09-10 08:24:12 s 1 +163593.64 4 +89805.666 3760.0 C57