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
2020-10-10 20:44:11 s 1 +135407.53 8 +305256.91 870.0 C57
2020-10-10 20:54:11 S 06 22 25.680 -56 23 01.72 V C57
2020-10-10 20:54:11 s 1 +135103.44 9 +305698.56 5500.0 C57
2020-10-10 21:04:11 S 06 22 30.384 -56 22 54.73 V C57
2020-10-10 21:04:11 s 1 +134798.84 0 +306139.02 9940.0 C57
2020-10-10 21:14:11 S 06 22 35.585 -56 22 46.42 V C57
2020-10-10 21:14:11 s 1 +134493.71 4 +306578.30 4160.0 C57
2020-10-10 22:54:11 S 06 23 25.966 -56 21 23.83 V C57
2020-10-10 22:54:11 s 1 +131414.56 2 +310906.17 5610.0 C57
2020-10-10 23:04:11 S 06 23 30.132 -56 21 16.38 V C57
2020-10-10 23:04:11 s 1 +131103.91 0 +311332.50 7710.0 C57
2020-10-10 23:24:11 S 06 23 41.040 -56 20 48.84 V C57
2020-10-10 23:24:11 s 1 +130481.14 6 +312181.64 1340.0 C57
2020-10-10 23:34:11 S 06 23 46.349 -56 20 40.92 V C57
2020-10-10 23:34:11 s 1 +130169.03 7 +312604.45 2880.0 C57
2020-10-10 23:44:11 S 06 23 51.010 -56 20 32.28 V C57
2020-10-10 23:44:11 s 1 +129856.44 8 +313026.10 4240.0 C57
2020-10-10 23:54:11 S 06 23 56.150 -56 20 24.72 V C57
2020-10-10 23:54:11 s 1 +129543.38 0 +313446.59 5420.0 C57
2020-10-11 00:02:01 S 06 20 23.563 -55 33 32.40 L C51
2020-10-11 00:04:11 S 06 24 00.958 -56 20 14.24 V C57
2020-10-11 00:04:11 s 1 +129229.83 6 +313865.91 6420.0 C57
2020-10-11 00:14:11 S 06 24 06.398 -56 20 09.53 V C57
2020-10-11 00:14:11 s 1 +128915.81 8 +314284.06 7240.0 C57
2020-10-11 00:24:11 S 06 24 10.951 -56 19 57.11 V C57
2020-10-11 00:24:11 s 1 +128601.32 8 +314701.06 7890.0 C57
2020-10-11 00:44:11 S 06 24 20.878 -56 19 41.52 V C57
2020-10-11 00:44:11 s 1 +127970.94 2 +315531.56 8660.0 C57
2020-10-11 00:54:11 S 06 24 26.964 -56 19 27.84 V C57
2020-10-11 00:54:11 s 1 +127655.05 1 +315945.08 8790.0 C57
2020-10-11 02:04:11 S 06 25 00.958 -56 18 29.45 V C57
2020-10-11 02:04:11 s 1 +125430.98 2 +318807.33 5010.0 C57
2020-10-11 02:14:11 S 06 25 05.789 -56 18 14.29 V C57
2020-10-11 02:14:11 s 1 +125111.45 2 +319211.61 3820.0 C57
2020-10-11 02:54:11 S 06 25 25.730 -56 17 41.06 V C57
2020-10-11 02:54:11 s 1 +123828.90 4 +320817.27 7470.0 C57
2020-10-11 03:14:11 S 06 25 35.542 -56 17 27.28 V C57
2020-10-11 03:14:11 s 1 +123185.00 3 +321613.24 3360.0 C57
2020-10-11 03:34:11 S 06 25 46.037 -56 17 11.08 V C57
2020-10-11 03:34:11 s 1 +122539.37 4 +322404.63 8650.0 C57
2020-10-11 03:44:11 S 06 25 51.377 -56 16 53.87 V C57
2020-10-11 03:44:11 s 1 +122215.91 6 +322798.62 6070.0 C57
2020-10-11 04:24:11 S 06 26 11.206 -56 16 13.58 V C57
2020-10-11 04:24:11 s 1 +120917.85 0 +324363.19 4280.0 C57
2020-10-11 05:04:11 S 06 26 31.056 -56 15 35.46 V C57
2020-10-11 05:04:11 s 1 +119613.10 4 +325909.61 210.0 C57
2020-10-11 05:44:11 S 06 26 51.360 -56 14 57.01 V C57
2020-10-11 05:44:11 s 1 +118301.80 9 +327437.94 3950.0 C57
2020-10-11 05:58:20 C 06 23 37.68 -55 26 01.7 V W88
2020-10-11 06:05:26 C 06 23 41.30 -55 25 53.6 V W88