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
1997-04-07 08:43:50 C 14 23 03.68 +03 07 14.9 a 691
1997-04-07 09:14:55 C 14 23 01.10 +03 07 21.8 a 691
1997-04-07 09:46:28 C 14 22 58.44 +03 07 29.9 a 691
2008-01-11 02:08:08 C 23 41 02.47 -03 51 13.2 r G96
2008-01-11 02:17:37 C 23 41 03.91 -03 50 58.2 r G96
2008-01-11 02:26:58 C 23 41 05.35 -03 50 43.0 r G96
2008-01-11 02:36:18 C 23 41 06.75 -03 50 27.7 r G96
2008-01-12 01:55:34 C 23 44 46.99 -03 12 35.3 r G96
2008-01-12 02:04:20 C 23 44 48.32 -03 12 21.6 r G96
2008-01-12 02:13:18 C 23 44 49.70 -03 12 06.1 r G96
2008-01-12 02:22:07 C 23 44 51.08 -03 11 52.0 r G96
2013-03-05 13:41:12 C 13 41 56.637 +16 15 07.42 L F51
2013-03-05 13:56:11 C 13 41 55.533 +16 15 14.75 L F51
2013-03-05 14:28:43 C 13 41 53.154 +16 15 30.68 L F51
2013-03-06 09:13:39 C 13 40 36.664 +16 24 43.65 t 568
2013-03-06 09:15:27 C 13 40 36.542 +16 24 44.54 t 568
2013-03-06 10:35:35 C 13 40 29.51 +16 25 20.9 q H36
2013-03-06 10:44:46 C 13 40 28.82 +16 25 24.5 q H36
2013-03-06 10:53:55 C 13 40 28.18 +16 25 28.5 q H36
2013-03-08 05:59:44 C 13 37 21.55 +16 46 07.4 u 703
2013-03-08 06:00:47 C 13 37 21.48 +16 46 06.8 u 703
2013-03-08 06:07:19 C 13 37 20.93 +16 46 10.4 u 703
2013-03-08 06:08:22 C 13 37 20.85 +16 46 12.0 u 703
2013-03-08 08:40:36 C 13 37 08.49 +16 47 22.7 u H21
2013-03-08 08:45:16 C 13 37 08.11 +16 47 25.0 u H21
2013-03-08 08:49:52 C 13 37 07.74 +16 47 27.1 u H21
2013-03-08 08:54:29 C 13 37 07.38 +16 47 29.3 u H21
2013-03-08 08:59:07 C 13 37 07.02 +16 47 31.4 u H21
2013-03-09 09:36:10 C 13 35 13.76 +16 59 10.6 u 807
2013-03-09 09:46:48 C 13 35 12.87 +16 59 15.6 u 807
2013-03-10 02:08:08 C 13 33 56.62 +17 06 13.3 o 033
2013-03-10 02:11:55 C 13 33 56.36 +17 06 14.6 o 033
2013-03-10 02:41:49 C 13 33 53.84 +17 06 28.1 o 033
2013-03-10 02:45:36 C 13 33 53.58 +17 06 29.3 o 033
2013-03-10 03:59:01 C 13 33 47.47 +17 07 03.0 t 204
2013-03-10 04:12:51 C 13 33 46.34 +17 07 09.1 t 204
2013-03-10 04:26:41 C 13 33 45.20 +17 07 14.8 t 204
2013-03-13 11:27:28 C 13 27 14.17 +17 40 10.1 o 291
2013-03-13 11:31:45 C 13 27 13.79 +17 40 11.9 o 291
2013-03-14 08:19:41 C 13 25 27.10 +17 48 04.4 o 291
2013-03-14 08:26:06 C 13 25 26.56 +17 48 08.5 o 291
2013-03-14 08:58:51 C 13 25 23.47 +17 48 19.1 q 448
2013-03-14 09:26:46 C 13 25 20.86 +17 48 29.3 q 448
2013-03-14 09:55:11 C 13 25 18.29 +17 48 39.2 q 448
2013-03-15 07:54:50 C 13 23 23.32 +17 56 34.2 o 291
2013-03-15 08:02:04 C 13 23 22.65 +17 56 36.9 o 291
2013-03-15 08:09:20 C 13 23 21.98 +17 56 39.6 o 291
2013-03-15 08:32:01 C 13 23 19.44 +17 56 45.1 u H21
2013-03-15 08:35:59 C 13 23 19.06 +17 56 46.6 u H21
2013-03-15 08:39:56 C 13 23 18.71 +17 56 47.8 u H21