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
2013-03-15 08:44:08 C 13 23 18.34 +17 56 49.3 u H21
2013-03-15 09:27:30 C 13 23 14.32 +17 57 06.1 q H45
2013-03-15 09:30:22 C 13 23 14.14 +17 57 07.3 q H45
2013-03-15 09:32:05 C 13 23 13.93 +17 57 07.6 q H45
2013-03-15 09:33:43 C 13 23 13.83 +17 57 07.8 q H45
2013-03-15 09:35:18 C 13 23 13.62 +17 57 08.5 q H45
2013-03-15 09:36:55 C 13 23 13.53 +17 57 09.2 q H45
2013-03-15 11:32:39 C 13 23 03.10 +17 57 49.9 o 291
2013-03-15 11:40:56 C 13 23 02.33 +17 57 52.2 o 291
2013-03-15 11:47:10 C 13 23 01.75 +17 57 54.7 o 291
2013-03-16 10:17:48 C 13 21 01.87 +18 05 29.5 u 703
2013-03-16 10:28:34 C 13 21 00.86 +18 05 34.8 u 703
2013-03-16 10:39:21 C 13 20 59.82 +18 05 37.2 u 703
2013-03-16 10:50:08 C 13 20 58.84 +18 05 40.2 u 703
2013-03-17 06:45:39 C 13 19 12.25 +18 12 01.8 o 291
2013-03-17 06:49:54 C 13 19 11.83 +18 12 02.6 o 291
2013-03-17 06:54:13 C 13 19 11.43 +18 12 04.8 o 291
2013-03-19 09:52:40 C 13 14 30.99 +18 26 32.5 o 291
2013-03-19 09:55:29 C 13 14 30.68 +18 26 32.5 o 291
2013-03-19 09:58:20 C 13 14 30.45 +18 26 33.9 o 291
2013-03-19 13:55:23 C 13 14 08.262 +18 27 37.66 L F51
2013-03-19 14:12:52 C 13 14 06.565 +18 27 41.92 L F51
2013-03-20 08:09:38 C 13 12 27.84 +18 32 04.2 o 291
2013-03-20 08:12:11 C 13 12 27.60 +18 32 04.6 o 291
2013-03-20 08:14:41 C 13 12 27.36 +18 32 05.4 o 291
2013-03-22 08:55:50 C 13 07 55.26 +18 42 23.5 o 711
2013-03-22 09:00:50 C 13 07 54.77 +18 42 24.5 o 711
2013-03-22 09:06:08 C 13 07 54.25 +18 42 25.4 o 711
2013-03-23 10:16:09 C 13 05 33.35 +18 46 46.0 o 291
2013-03-23 10:18:15 C 13 05 33.13 +18 46 46.6 o 291
2013-03-23 10:20:20 C 13 05 32.95 +18 46 46.6 o 291
2013-04-14 05:57:08 C 12 23 23.67 +17 50 41.2 N I41
2013-04-14 06:40:18 C 12 23 20.94 +17 50 26.5 N I41
2013-04-14 07:22:00 C 12 23 18.36 +17 50 12.8 N I41
2013-05-15 02:36:25 C 12 06 07.98 +11 44 27.9 u H21
2013-05-15 03:00:39 C 12 06 08.13 +11 44 13.7 u H21
2013-05-15 03:25:28 C 12 06 08.28 +11 43 59.7 u H21
2015-12-28 01:49:50 C 22 28 50.27 -15 10 40.2 o 291
2015-12-28 01:59:33 C 22 28 51.66 -15 10 28.9 o 291
2016-01-28 02:18:38 C 00 23 34.09 +01 56 40.3 o 291
2016-01-28 02:23:24 C 00 23 34.82 +01 56 47.6 o 291
2016-01-28 02:28:12 C 00 23 35.64 +01 56 54.6 o 291
2016-02-17 03:12:15 C 01 46 03.57 +14 24 46.3 o 291
2016-02-17 03:30:41 C 01 46 06.89 +14 25 14.0 o 291
2016-02-25 02:59:45 C 02 22 00.84 +19 05 09.8 o 291
2016-02-25 03:04:14 C 02 22 01.65 +19 05 15.8 o 291
2016-02-25 03:08:43 C 02 22 02.60 +19 05 22.2 o 291
2016-03-01 03:48:12 C 02 45 40.17 +21 48 18.9 o 291
2016-03-01 03:53:16 C 02 45 41.15 +21 48 25.3 o 291
2016-04-21 04:11:54 C 07 01 23.39 +32 04 51.7 o 695