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
2017-04-01 07:28:06 C 11 59 20.88 +24 06 41.6 q H45
2017-04-01 07:29:53 C 11 59 20.78 +24 06 41.3 q H45
2017-04-01 07:31:30 C 11 59 20.64 +24 06 40.7 q H45
2017-04-01 07:33:11 C 11 59 20.55 +24 06 40.3 q H45
2017-04-01 07:35:16 C 11 59 20.38 +24 06 39.3 q H45
2017-04-01 07:36:48 C 11 59 20.32 +24 06 39.2 q H45
2017-04-02 09:53:46 C 11 57 42.21 +23 59 22.0 o 291
2017-04-02 09:58:00 C 11 57 41.91 +23 59 21.0 o 291
2017-04-02 10:02:14 C 11 57 41.66 +23 59 19.8 o 291
2017-04-05 03:00:45 C 11 53 56.37 +23 39 58.3 o 691
2017-04-05 03:18:30 C 11 53 55.37 +23 39 52.6 o 691
2017-04-05 03:36:12 C 11 53 54.38 +23 39 47.4 o 691
2017-04-06 03:36:10 C 11 52 36.67 +23 32 11.0 q G96
2017-04-06 03:43:40 C 11 52 36.32 +23 32 09.8 q G96
2017-04-06 04:08:40 C 11 52 34.94 +23 32 01.2 q G96
2017-04-14 02:47:35 C 11 44 05.31 +22 24 49.1 u H21
2017-04-14 02:53:57 C 11 44 05.07 +22 24 46.8 u H21
2017-04-14 03:08:00 C 11 44 04.55 +22 24 41.7 u H21
2017-04-15 03:45:50 C 11 43 12.07 +22 15 19.7 o 691
2017-04-15 04:08:43 C 11 43 11.24 +22 15 10.7 o 691
2017-04-15 04:31:30 C 11 43 10.41 +22 15 02.7 o 691
2017-04-17 05:21:54 C 11 41 34.77 +21 56 02.4 o 691
2017-04-17 05:33:07 C 11 41 34.44 +21 55 57.9 o 691
2017-04-17 05:43:50 C 11 41 34.08 +21 55 53.6 o 691
2017-04-21 06:29:01 C 11 38 56.84 +21 17 00.3 q G96
2017-04-21 06:35:10 C 11 38 56.78 +21 16 57.7 q G96
2017-04-21 06:41:21 C 11 38 56.60 +21 16 55.5 q G96
2017-04-21 06:47:32 C 11 38 56.43 +21 16 52.9 q G96
2017-04-21 07:07:33 C 11 38 55.94 +21 16 44.3 o 691
2017-04-21 07:24:16 C 11 38 55.51 +21 16 38.3 o 691
2017-04-21 07:40:41 C 11 38 55.11 +21 16 30.3 o 691
2017-04-24 05:12:58 C 11 37 27.64 +20 47 45.3 o 691
2017-04-24 05:51:19 C 11 37 26.82 +20 47 29.1 o 691
2017-04-24 06:29:33 C 11 37 26.08 +20 47 13.2 o 691
2017-05-02 05:09:29 C 11 35 03.31 +19 25 59.9 o 291
2017-05-02 05:20:50 C 11 35 03.25 +19 25 54.1 o 291
2017-05-02 05:32:13 C 11 35 03.18 +19 25 49.3 o 291
2017-05-28 04:29:32 C 11 39 40.92 +14 54 29.0 o 291
2017-05-28 05:31:50 C 11 39 42.09 +14 54 01.8 o 291
2017-05-28 06:34:11 C 11 39 43.23 +14 53 35.3 o 291
2017-06-14 04:15:17 C 11 49 26.66 +12 00 28.6 o 291
2017-06-14 04:59:32 C 11 49 27.86 +12 00 09.8 o 291
2021-06-07 10:42:17 C 23 03 23.64 -24 46 25.7 o 291
2021-06-07 10:48:45 C 23 03 24.25 -24 46 24.9 o 291
2021-06-07 10:55:13 C 23 03 24.84 -24 46 24.3 o 291
2021-07-02 14:42:27 C 00 11 14.34 -24 04 14.6 V 474
2021-07-02 14:46:40 C 00 11 14.94 -24 04 14.2 V 474
2021-07-02 14:50:54 C 00 11 15.50 -24 04 14.0 V 474
2021-07-02 14:55:08 C 00 11 16.04 -24 04 13.4 V 474
2021-08-03 14:22:48 C 02 41 53.18 -19 47 25.4 V T05