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
2020-09-30 19:04:11 s 1 -104460.84 7 +380325.97 9820.0 C57
2020-09-30 19:24:11 S 04 16 10.253 -57 15 08.93 V C57
2020-09-30 19:24:11 s 1 -105154.87 8 +379978.06 8680.0 C57
2020-09-30 19:34:11 S 04 16 13.668 -57 15 14.76 V C57
2020-09-30 19:34:11 s 1 -105501.53 7 +379802.76 7770.0 C57
2020-09-30 19:44:11 S 04 16 18.439 -57 15 16.09 V C57
2020-09-30 19:44:11 s 1 -105847.95 8 +379626.56 6630.0 C57
2020-09-30 19:54:11 S 04 16 23.076 -57 15 21.56 V C57
2020-09-30 19:54:11 s 1 -106194.13 8 +379449.46 5260.0 C57
2020-09-30 20:14:11 S 04 16 30.886 -57 15 34.78 V C57
2020-09-30 20:14:11 s 1 -106885.77 8 +379092.58 1830.0 C57
2020-09-30 20:24:11 S 04 16 34.162 -57 15 37.94 V C57
2020-09-30 20:24:11 s 1 -107231.23 4 +378912.79 9770.0 C57
2020-09-30 20:34:11 S 04 16 38.064 -57 15 36.32 V C57
2020-09-30 20:34:11 s 1 -107576.44 7 +378732.11 7470.0 C57
2020-09-30 20:54:11 S 04 16 46.030 -57 15 48.56 V C57
2020-09-30 20:54:11 s 1 -108266.13 8 +378368.05 2180.0 C57
2020-09-30 21:14:11 S 04 16 54.278 -57 15 59.80 V C57
2020-09-30 21:14:11 s 1 -108954.84 4 +378000.39 5950.0 C57
2020-09-30 21:24:11 S 04 16 58.349 -57 16 05.09 V C57
2020-09-30 21:24:11 s 1 -109298.82 5 +377815.22 2490.0 C57
2020-09-30 21:34:11 S 04 17 02.429 -57 16 08.80 V C57
2020-09-30 21:34:11 s 1 -109642.55 7 +377629.14 8780.0 C57
2020-09-30 21:44:11 S 04 17 06.257 -57 16 15.17 V C57
2020-09-30 21:44:11 s 1 -109986.03 9 +377442.17 4840.0 C57
2020-09-30 22:14:11 S 04 17 18.986 -57 16 25.00 V C57
2020-09-30 22:14:11 s 1 -111014.97 3 +376875.87 1590.0 C57
2020-09-30 22:34:11 S 04 17 26.582 -57 16 34.79 V C57
2020-09-30 22:34:11 s 1 -111699.66 0 +376493.83 1550.0 C57
2020-09-30 22:54:11 S 04 17 34.673 -57 16 42.06 V C57
2020-09-30 22:54:11 s 1 -112383.32 3 +376108.20 560.0 C57
2020-09-30 23:34:11 S 04 17 50.472 -57 17 01.93 V C57
2020-09-30 23:34:11 s 1 -113747.54 5 +375326.15 5640.0 C57
2020-09-30 23:44:11 S 04 17 54.744 -57 17 05.57 V C57
2020-09-30 23:44:11 s 1 -114087.94 8 +375128.38 8800.0 C57
2020-09-30 23:54:11 S 04 17 58.855 -57 17 06.86 V C57
2020-09-30 23:54:11 s 1 -114428.08 8 +374929.72 1720.0 C57
2020-10-01 00:04:11 S 04 18 03.137 -57 17 12.62 V C57
2020-10-01 00:04:11 s 1 -114767.96 4 +374730.16 4390.0 C57
2020-10-01 00:14:11 S 04 18 07.733 -57 17 17.20 V C57
2020-10-01 00:14:11 s 1 -115107.57 5 +374529.69 6810.0 C57
2020-10-01 00:24:11 S 04 18 10.841 -57 17 19.28 V C57
2020-10-01 00:24:11 s 1 -115446.92 1 +374328.32 8980.0 C57
2020-10-01 00:44:11 S 04 18 18.763 -57 17 29.22 V C57
2020-10-01 00:44:11 s 1 -116124.80 9 +373922.89 2570.0 C57
2020-10-01 00:54:11 S 04 18 23.105 -57 17 34.84 V C57
2020-10-01 00:54:11 s 1 -116463.35 1 +373718.82 4000.0 C57
2020-10-01 01:34:11 S 04 18 39.734 -57 17 53.20 V C57
2020-10-01 01:34:11 s 1 -117814.80 6 +372893.53 7170.0 C57
2020-10-01 01:44:11 S 04 18 43.435 -57 17 47.83 V C57