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
2020-10-13 01:34:11 S 06 48 32.450 -55 17 47.58 V C57
2020-10-13 01:34:11 s 1 +22878.229 0 +390947.25 5190.0 C57
2020-10-13 01:44:11 S 06 48 37.752 -55 17 37.68 V C57
2020-10-13 01:44:11 s 1 +22496.360 0 +391057.56 1790.0 C57
2020-10-13 01:54:11 S 06 48 41.498 -55 17 21.59 V C57
2020-10-13 01:54:11 s 1 +22114.447 0 +391166.91 8300.0 C57
2020-10-13 02:14:11 S 06 48 52.358 -55 16 45.08 V C57
2020-10-13 02:14:11 s 1 +21350.486 0 +391382.78 1060.0 C57
2020-10-13 02:24:11 S 06 48 56.530 -55 16 30.94 V C57
2020-10-13 02:24:11 s 1 +20968.441 0 +391489.29 7300.0 C57
2020-10-13 02:34:11 S 06 49 01.250 -55 16 13.80 V C57
2020-10-13 02:34:11 s 1 +20586.354 0 +391594.85 3440.0 C57
2020-10-25 15:06:40 C 08 59 58.24 -38 31 45.9 V T08
2020-10-25 15:19:57 C 09 00 02.63 -38 30 52.2 V T08
2020-10-25 15:22:36 C 09 00 03.48 -38 30 41.3 V T08
2020-10-25 15:29:15 C 09 00 05.60 -38 30 15.0 V T08
2020-11-26 15:08:33 C 11 42 35.780 +02 42 49.87 U F52
2020-11-26 15:14:02 C 11 42 36.469 +02 42 58.88 U F52
2020-11-26 15:19:33 C 11 42 37.151 +02 43 08.29 U F52
2020-12-06 12:15:33 C 12 11 43.86 +08 00 35.4 V G96
2020-12-06 12:23:47 C 12 11 44.73 +08 00 45.0 V G96
2020-12-06 12:32:01 C 12 11 45.57 +08 00 53.7 V G96
2020-12-06 12:40:14 C 12 11 46.42 +08 01 02.5 V G96
2020-12-26 15:12:42 C 12 57 12.00 +14 16 47.7 V T08
2020-12-26 15:18:01 C 12 57 12.41 +14 16 51.8 V T08
2020-12-26 15:32:09 C 12 57 13.39 +14 17 00.5 V T08
2020-12-26 15:39:54 C 12 57 13.85 +14 17 05.5 V T08
2020-12-26 15:56:35 C 12 57 14.99 +14 17 15.0 V T08
2021-01-09 12:54:02 C 13 17 46.06 +17 31 39.5 V G96
2021-01-09 13:02:48 C 13 17 46.40 +17 31 44.8 V G96
2021-01-09 13:11:33 C 13 17 46.74 +17 31 49.9 V G96
2021-01-09 13:20:19 C 13 17 47.07 +17 31 55.2 V G96
2021-01-17 13:38:10 C 13 24 45.69 +19 29 50.6 V T05
2021-01-17 13:40:51 C 13 24 45.81 +19 29 52.7 V T05
2021-01-17 13:45:28 C 13 24 45.90 +19 29 56.0 V T05
2021-01-17 13:46:48 C 13 24 45.91 +19 29 57.2 V T05
2021-01-17 13:51:38 C 13 24 45.94 +19 30 00.0 V T05
2021-01-17 14:09:29 C 13 24 46.26 +19 30 11.5 V T05
2021-02-09 09:21:06 C 13 19 12.06 +25 49 46.0 V 703
2021-02-09 09:28:41 C 13 19 11.60 +25 49 52.1 V 703
2021-02-09 09:36:17 C 13 19 11.18 +25 49 57.4 V 703
2021-02-09 09:43:53 C 13 19 10.76 +25 50 03.3 V 703
2021-02-10 12:37:48 C 13 17 48.09 +26 09 01.2 V T05
2021-02-10 12:40:26 C 13 17 47.87 +26 09 03.1 V T05
2021-02-10 12:44:24 C 13 17 47.65 +26 09 06.0 V T05
2021-02-10 12:51:45 C 13 17 47.16 +26 09 11.3 V T05
2021-02-17 09:25:41 C 13 07 03.96 +27 57 38.3 V 703
2021-02-17 09:33:13 C 13 07 03.38 +27 57 42.6 V 703
2021-02-17 09:40:45 C 13 07 02.72 +27 57 46.9 V 703
2021-02-17 09:48:18 C 13 07 02.02 +27 57 51.7 V 703