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
2020-10-08 21:54:12 s 1 +186104.09 0 +128677.33 3330.0 C57
2020-10-08 22:04:11 S 05 58 25.058 -56 45 37.76 V C57
2020-10-08 22:04:11 s 1 +186123.61 5 +129511.74 9790.0 C57
2020-10-08 23:14:11 S 05 59 01.608 -56 45 30.60 V C57
2020-10-08 23:14:11 s 1 +186197.09 2 +135308.12 650.0 C57
2020-10-08 23:34:11 S 05 59 12.725 -56 45 34.74 V C57
2020-10-08 23:34:11 s 1 +186198.19 4 +136949.92 2970.0 C57
2020-10-08 23:54:11 S 05 59 23.398 -56 45 27.18 V C57
2020-10-08 23:54:11 s 1 +186190.65 6 +138585.38 630.0 C57
2020-10-09 00:14:11 S 05 59 33.667 -56 45 22.46 V C57
2020-10-09 00:14:11 s 1 +186174.58 7 +140214.48 3680.0 C57
2020-10-09 01:34:11 S 06 00 15.492 -56 45 08.71 V C57
2020-10-09 01:34:11 s 1 +186027.08 5 +146667.49 1070.0 C57
2020-10-09 01:44:11 S 06 00 20.734 -56 45 14.18 V C57
2020-10-09 01:44:11 s 1 +185999.49 4 +147467.00 2080.0 C57
2020-10-09 01:54:11 S 06 00 25.795 -56 45 08.60 V C57
2020-10-09 01:54:11 s 1 +185969.91 0 +148264.93 2020.0 C57
2020-10-09 02:04:11 S 06 00 31.776 -56 45 08.14 V C57
2020-10-09 02:04:11 s 1 +185938.34 5 +149061.27 900.0 C57
2020-10-09 02:34:11 S 06 00 46.157 -56 45 05.87 V C57
2020-10-09 02:34:11 s 1 +185831.88 8 +151440.85 1240.0 C57
2020-10-09 02:44:11 S 06 00 52.102 -56 44 59.57 V C57
2020-10-09 02:44:11 s 1 +185792.52 1 +152230.89 5950.0 C57
2020-10-09 03:04:11 S 06 01 02.978 -56 44 55.50 V C57
2020-10-09 03:04:11 s 1 +185708.03 4 +153806.25 2290.0 C57
2020-10-09 03:44:11 S 06 01 23.179 -56 44 48.52 V C57
2020-10-09 03:44:11 s 1 +185516.37 1 +156938.12 2880.0 C57
2020-10-09 03:54:11 S 06 01 28.826 -56 44 45.56 V C57
2020-10-09 03:54:11 s 1 +185463.79 5 +157717.16 550.0 C57
2020-10-09 04:04:11 S 06 01 33.533 -56 44 47.36 V C57
2020-10-09 04:04:11 s 1 +185409.37 6 +158494.64 7240.0 C57
2020-10-09 04:34:11 S 06 01 49.937 -56 44 37.14 V C57
2020-10-09 04:34:11 s 1 +185235.17 5 +160817.68 1500.0 C57
2020-10-09 05:24:11 S 06 02 16.020 -56 44 31.96 V C57
2020-10-09 05:24:11 s 1 +184909.00 4 +164658.20 6280.0 C57
2020-10-09 05:54:11 S 06 02 32.110 -56 44 27.64 V C57
2020-10-09 05:54:11 s 1 +184692.25 9 +166943.83 8030.0 C57
2020-10-09 06:14:11 S 06 02 40.896 -56 44 14.71 V C57
2020-10-09 06:14:11 s 1 +184539.16 5 +168459.83 7990.0 C57
2020-10-09 06:24:11 S 06 02 46.675 -56 44 15.72 V C57
2020-10-09 06:24:11 s 1 +184460.06 9 +169215.51 1630.0 C57
2020-10-09 06:34:11 S 06 02 51.806 -56 44 13.88 V C57
2020-10-09 06:34:11 s 1 +184379.28 6 +169969.63 4380.0 C57
2020-10-09 06:44:11 S 06 02 57.322 -56 44 09.24 V C57
2020-10-09 06:44:11 s 1 +184296.82 7 +170722.22 6250.0 C57
2020-10-09 07:44:11 S 06 03 28.102 -56 44 00.31 V C57
2020-10-09 07:44:11 s 1 +183767.40 3 +175205.33 9280.0 C57
2020-10-09 07:54:11 S 06 03 34.361 -56 43 52.36 V C57
2020-10-09 07:54:11 s 1 +183673.47 5 +175947.13 5130.0 C57
2020-10-09 08:44:11 S 06 03 59.525 -56 43 36.26 V C57