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
2020-09-26 02:44:12 S 03 37 00.744 -55 35 07.22 V C57
2020-09-26 02:44:12 s 1 +136791.82 1 +283783.89 3470.0 C57
2020-09-26 02:54:11 S 03 37 03.502 -55 35 20.18 V C57
2020-09-26 02:54:11 s 1 +136509.07 5 +284284.80 4630.0 C57
2020-09-26 03:04:12 S 03 37 06.677 -55 35 28.90 V C57
2020-09-26 03:04:12 s 1 +136225.70 4 +284784.40 5500.0 C57
2020-09-26 03:14:11 S 03 37 09.631 -55 35 45.85 V C57
2020-09-26 03:14:11 s 1 +135941.71 1 +285282.71 6080.0 C57
2020-09-26 03:24:12 S 03 37 12.552 -55 35 56.18 V C57
2020-09-26 03:24:12 s 1 +135657.10 0 +285779.73 6370.0 C57
2020-09-26 03:44:12 S 03 37 19.296 -55 36 22.79 V C57
2020-09-26 03:44:12 s 1 +135086.03 5 +286769.88 6100.0 C57
2020-09-26 03:54:12 S 03 37 22.291 -55 36 35.35 V C57
2020-09-26 03:54:12 s 1 +134799.58 8 +287263.02 5540.0 C57
2020-09-26 04:04:12 S 03 37 24.732 -55 36 49.72 V C57
2020-09-26 04:04:12 s 1 +134512.53 5 +287754.86 4700.0 C57
2020-09-26 04:24:11 S 03 37 30.478 -55 37 15.38 V C57
2020-09-26 04:24:11 s 1 +133936.62 3 +288734.70 2180.0 C57
2020-09-26 04:34:12 S 03 37 33.967 -55 37 27.44 V C57
2020-09-26 04:34:12 s 1 +133647.77 0 +289222.70 510.0 C57
2020-09-26 04:44:11 S 03 37 36.403 -55 37 41.12 V C57
2020-09-26 04:44:11 s 1 +133358.32 5 +289709.41 8570.0 C57
2020-09-26 04:54:12 S 03 37 39.624 -55 37 53.54 V C57
2020-09-26 04:54:12 s 1 +133068.28 8 +290194.84 6350.0 C57
2020-09-26 05:04:11 S 03 37 43.140 -55 38 08.27 V C57
2020-09-26 05:04:11 s 1 +132777.66 5 +290678.99 3860.0 C57
2020-09-26 05:14:12 S 03 37 46.044 -55 38 20.80 V C57
2020-09-26 05:14:12 s 1 +132486.45 7 +291161.87 1100.0 C57
2020-09-26 05:24:12 S 03 37 48.444 -55 38 31.63 V C57
2020-09-26 05:24:12 s 1 +132194.66 7 +291643.47 8070.0 C57
2020-09-26 05:34:12 S 03 37 51.266 -55 38 45.53 V C57
2020-09-26 05:34:12 s 1 +131902.29 9 +292123.80 4780.0 C57
2020-09-26 05:44:12 S 03 37 55.140 -55 38 56.26 V C57
2020-09-26 05:44:12 s 1 +131609.35 6 +292602.85 1230.0 C57
2020-09-26 05:54:11 S 03 37 57.960 -55 39 10.66 V C57
2020-09-26 05:54:11 s 1 +131315.84 0 +293080.64 7410.0 C57
2020-09-26 06:04:12 S 03 38 00.607 -55 39 24.16 V C57
2020-09-26 06:04:12 s 1 +131021.75 5 +293557.16 3330.0 C57
2020-09-26 06:14:11 S 03 38 03.408 -55 39 35.71 V C57
2020-09-26 06:14:11 s 1 +130727.10 2 +294032.41 8990.0 C57
2020-09-26 06:24:12 S 03 38 06.811 -55 39 47.52 V C57
2020-09-26 06:24:12 s 1 +130431.88 7 +294506.39 4400.0 C57
2020-09-26 06:34:11 S 03 38 09.713 -55 40 01.16 V C57
2020-09-26 06:34:11 s 1 +130136.11 0 +294979.12 9550.0 C57
2020-09-26 06:44:12 S 03 38 13.046 -55 40 12.54 V C57
2020-09-26 06:44:12 s 1 +129839.77 5 +295450.58 4440.0 C57
2020-09-26 06:54:12 S 03 38 16.018 -55 40 30.61 V C57
2020-09-26 06:54:12 s 1 +129542.88 6 +295920.78 9080.0 C57
2020-09-26 07:24:11 S 03 38 24.533 -55 41 09.24 V C57
2020-09-26 07:24:11 s 1 +128648.91 4 +297323.83 1500.0 C57