2017 AP20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7482099129 ± 2.38e-08
Semi-major axis (a)2.8788005370 AU ± 2.25e-08
Inclination (i)13.85719667° ± 4.88e-06
Long. of Asc. Node (Ω)55.37666289° ± 3.83e-05
Arg. of Perihelion (ω)2.96722942° ± 3.76e-05
Mean Anomaly (M)304.56107510° ± 4.15e-06
Mean Motion (n)0.2017878038°/day ± 2.36e-09
Perihelion dist (q)0.72485344 AU ± 6.88e-08
Aphelion dist (Q)5.03274764 AU ± 7.90e-08
Orbital Period4.88446906 yr ± 5.72e-08
Physical Parameters
H (abs. magnitude)17.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.266″
Uncertainty0
Orbit TypeApollo
MOID0.211566 AU
Observations Used324
Oppositions5
Arc Total2016-2022
First Observation Used2016-06-03
Last Observation Used2022-04-21
Observations (360)
Date Type RA Dec Mag Band Observatory
2017-03-04 09:34:25 C 12 58 32.32 +24 29 02.1 q H45
2017-03-07 10:34:07 C 12 51 01.25 +24 45 15.3 q G96
2017-03-07 10:40:16 C 12 51 00.63 +24 45 16.5 q G96
2017-03-07 10:49:39 C 12 50 59.64 +24 45 17.9 q G96
2017-03-07 10:55:45 C 12 50 59.00 +24 45 19.0 q G96
2017-03-07 11:46:28 C 12 50 53.65 +24 45 28.4 o 691
2017-03-07 12:06:57 C 12 50 51.50 +24 45 32.2 o 691
2017-03-07 12:27:21 C 12 50 49.40 +24 45 35.8 o 691
2017-03-08 01:32:45 C 12 49 29.57 +24 47 58.6 19.2 q J43
2017-03-08 01:44:58 C 12 49 28.34 +24 48 00.4 19.5 q J43
2017-03-08 01:57:16 C 12 49 27.01 +24 48 02.6 19.4 q J43
2017-03-08 02:09:36 C 12 49 25.69 +24 48 05.4 19.4 q J43
2017-03-09 07:31:02 C 12 46 26.22 +24 52 45.3 u H21
2017-03-09 07:37:54 C 12 46 25.50 +24 52 46.5 u H21
2017-03-09 07:46:25 C 12 46 24.60 +24 52 47.6 u H21
2017-03-16 07:02:47 C 12 29 59.01 +25 04 22.6 u H21
2017-03-16 07:09:23 C 12 29 58.39 +25 04 22.6 u H21
2017-03-16 07:17:19 C 12 29 57.61 +25 04 22.3 u H21
2017-03-17 11:44:45 C 12 27 18.17 +25 03 51.6 o 691
2017-03-17 12:02:10 C 12 27 16.54 +25 03 50.7 o 691
2017-03-17 12:19:28 C 12 27 14.93 +25 03 50.2 o 691
2017-03-21 00:49:26 C 12 19 42.37 +24 58 22.3 19.8 q J43
2017-03-21 01:01:46 C 12 19 41.27 +24 58 21.2 19.8 q J43
2017-03-21 01:14:07 C 12 19 40.18 +24 58 19.9 19.8 q J43
2017-03-21 01:26:29 C 12 19 39.07 +24 58 18.3 19.7 q J43
2017-03-21 08:06:25 C 12 19 04.68 +24 57 37.7 q G96
2017-03-21 08:14:59 C 12 19 03.93 +24 57 36.7 q G96
2017-03-21 08:26:13 C 12 19 02.94 +24 57 35.8 q G96
2017-03-21 08:42:53 C 12 19 01.46 +24 57 33.5 q G96
2017-03-22 00:51:53 C 12 17 39.09 +24 55 47.1 19.9 q J43
2017-03-22 01:04:00 C 12 17 38.06 +24 55 45.5 20.0 q J43
2017-03-22 01:16:06 C 12 17 36.97 +24 55 44.1 19.5 q J43
2017-03-22 01:28:12 C 12 17 35.93 +24 55 42.6 19.6 q J43
2017-03-26 10:06:13 C 12 09 11.73 +24 39 30.9 o 691
2017-03-26 10:15:56 C 12 09 10.97 +24 39 29.1 o 691
2017-03-26 10:25:39 C 12 09 10.17 +24 39 26.9 o 691
2017-03-27 01:09:32 C 12 08 03.98 +24 36 35.8 20.5 q J43
2017-03-27 01:21:39 C 12 08 03.07 +24 36 33.8 20.7 q J43
2017-03-27 01:33:55 C 12 08 02.10 +24 36 30.8 20.4 q J43
2017-03-27 01:46:01 C 12 08 01.20 +24 36 28.4 19.9 q J43
2017-03-28 08:21:16 C 12 05 46.68 +24 30 02.4 q H45
2017-03-28 08:23:53 C 12 05 46.48 +24 30 01.9 q H45
2017-03-28 08:25:36 C 12 05 46.34 +24 30 01.8 q H45
2017-03-28 08:27:28 C 12 05 46.23 +24 30 00.5 q H45
2017-03-28 08:29:29 C 12 05 46.08 +24 30 00.3 q H45
2017-03-28 08:31:25 C 12 05 45.94 +24 30 00.3 q H45
2017-03-29 06:12:30 C 12 04 14.16 +24 25 07.8 q G96
2017-03-29 06:18:41 C 12 04 13.72 +24 25 06.5 q G96
2017-03-29 06:24:50 C 12 04 13.27 +24 25 05.2 q G96
2017-03-29 06:31:00 C 12 04 12.78 +24 25 04.2 q G96