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
2020-09-16 14:24:12 s 1 -101668.59 2 +377524.15 8310.0 C57
2020-09-16 14:34:12 S 02 28 47.654 -50 11 13.60 V C57
2020-09-16 14:34:12 s 1 -102017.01 7 +377364.08 6120.0 C57
2020-09-16 14:44:12 S 02 28 49.574 -50 11 33.18 V C57
2020-09-16 14:44:12 s 1 -102365.19 7 +377203.10 3730.0 C57
2020-09-16 14:54:12 S 02 28 51.458 -50 11 41.17 V C57
2020-09-16 14:54:12 s 1 -102713.13 1 +377041.19 1130.0 C57
2020-09-16 15:04:12 S 02 28 54.626 -50 11 54.82 V C57
2020-09-16 15:04:12 s 1 -103060.81 7 +376878.36 8330.0 C57
2020-09-16 15:14:12 S 02 28 56.290 -50 12 13.57 V C57
2020-09-16 15:14:12 s 1 -103408.25 4 +376714.60 5330.0 C57
2020-09-16 15:24:12 S 02 28 58.524 -50 12 24.95 V C57
2020-09-16 15:24:12 s 1 -103755.44 2 +376549.93 2120.0 C57
2020-09-16 15:34:12 S 02 29 00.833 -50 12 34.06 V C57
2020-09-16 15:34:12 s 1 -104102.38 0 +376384.32 8700.0 C57
2020-09-16 15:44:12 S 02 29 02.129 -50 12 46.40 V C57
2020-09-16 15:44:12 s 1 -104449.06 6 +376217.80 5070.0 C57
2020-09-16 16:14:12 S 02 29 10.010 -50 13 25.14 V C57
2020-09-16 16:14:12 s 1 -105487.60 7 +375712.68 2940.0 C57
2020-09-16 16:34:12 S 02 29 14.292 -50 13 53.54 V C57
2020-09-16 16:34:12 s 1 -106178.69 2 +375371.32 3810.0 C57
2020-09-16 17:04:12 S 02 29 20.789 -50 14 33.18 V C57
2020-09-16 17:04:12 s 1 -107213.38 7 +374852.35 8540.0 C57
2020-09-16 17:24:12 S 02 29 24.199 -50 15 01.19 V C57
2020-09-16 17:24:12 s 1 -107901.88 4 +374501.75 7290.0 C57
2020-09-16 17:34:12 S 02 29 26.990 -50 15 14.76 V C57
2020-09-16 17:34:12 s 1 -108245.73 9 +374325.06 1350.0 C57
2020-09-16 17:44:12 S 02 29 29.546 -50 15 25.09 V C57
2020-09-16 17:44:12 s 1 -108589.33 2 +374147.45 5190.0 C57
2020-09-16 18:14:12 S 02 29 35.820 -50 16 03.22 V C57
2020-09-16 18:14:12 s 1 -109618.51 9 +373609.08 5430.0 C57
2020-09-16 18:34:12 S 02 29 39.420 -50 16 29.68 V C57
2020-09-16 18:34:12 s 1 -110303.30 8 +373245.54 1170.0 C57
2020-09-16 18:44:12 S 02 29 41.928 -50 16 44.65 V C57
2020-09-16 18:44:12 s 1 -110645.30 0 +373062.38 3720.0 C57
2020-09-16 18:54:12 S 02 29 43.601 -50 16 53.18 V C57
2020-09-16 18:54:12 s 1 -110987.02 1 +372878.30 6040.0 C57
2020-09-16 19:14:12 S 02 29 48.986 -50 17 18.92 V C57
2020-09-16 19:14:12 s 1 -111669.64 8 +372507.37 40.0 C57
2020-09-16 19:24:12 S 02 29 50.990 -50 17 39.41 V C57
2020-09-16 19:24:12 s 1 -112010.55 2 +372320.51 1710.0 C57
2020-09-16 19:54:12 S 02 29 57.864 -50 18 16.52 V C57
2020-09-16 19:54:12 s 1 -113031.61 4 +371754.40 5390.0 C57
2020-09-16 20:14:12 S 02 30 02.837 -50 18 47.12 V C57
2020-09-16 20:14:12 s 1 -113710.93 6 +371372.36 6730.0 C57
2020-09-16 20:24:12 S 02 30 04.522 -50 18 55.08 V C57
2020-09-16 20:24:12 s 1 -114050.17 8 +371179.96 7070.0 C57
2020-09-16 20:34:12 S 02 30 06.314 -50 19 08.90 V C57
2020-09-16 20:34:12 s 1 -114389.14 0 +370986.62 7180.0 C57
2020-09-16 20:44:12 S 02 30 09.053 -50 19 24.20 V C57