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
2016-06-03 13:46:21 C 20 58 30.486 -33 50 46.84 L F51
2016-06-03 13:57:30 C 20 58 30.625 -33 50 51.42 L F51
2016-06-03 14:19:47 C 20 58 30.922 -33 51 00.08 L F51
2016-09-08 08:26:23 S 18 09 39.454 -51 25 09.59 L C51
2016-09-08 14:43:45 S 18 09 10.776 -51 23 22.06 L C51
2016-09-09 01:44:04 S 18 08 21.694 -51 20 07.22 L C51
2016-09-11 07:11:32 S 18 04 37.402 -51 03 41.51 L C51
2017-01-14 16:56:19 S 14 15 21.68 +14 43 43.3 L C51
2017-01-14 20:04:49 S 14 15 18.52 +14 45 14.0 L C51
2017-01-14 23:13:30 S 14 15 15.39 +14 46 46.1 L C51
2017-01-15 00:47:45 S 14 15 13.77 +14 47 31.8 L C51
2017-01-15 02:22:00 S 14 15 12.18 +14 48 16.9 L C51
2017-01-15 02:22:11 S 14 15 12.27 +14 48 17.0 L C51
2017-01-15 03:56:26 S 14 15 10.56 +14 49 03.0 L C51
2017-01-15 05:30:41 S 14 15 08.93 +14 49 49.0 L C51
2017-01-15 07:04:56 S 14 15 07.25 +14 50 33.9 L C51
2017-01-15 07:05:07 S 14 15 07.28 +14 50 34.9 L C51
2017-01-15 10:13:37 S 14 15 03.96 +14 52 05.7 L C51
2017-01-18 06:08:20 C 14 13 43.22 +15 25 35.1 q J22
2017-01-18 06:15:12 C 14 13 43.03 +15 25 38.4 q J22
2017-01-18 06:22:05 C 14 13 42.80 +15 25 42.2 q J22
2017-01-19 05:45:46 C 14 13 10.32 +15 37 30.8 q Z21
2017-01-19 05:56:17 C 14 13 10.02 +15 37 36.1 q Z21
2017-01-19 06:08:13 C 14 13 09.69 +15 37 42.4 q Z21
2017-01-20 03:25:07 C 14 12 37.89 +15 48 28.5 q J95
2017-01-20 03:29:22 C 14 12 37.75 +15 48 30.3 q J95
2017-01-20 03:33:48 C 14 12 37.67 +15 48 32.8 q J95
2017-01-20 03:38:44 C 14 12 37.35 +15 48 36.8 o K88
2017-01-20 03:46:03 C 14 12 37.15 +15 48 40.7 o K88
2017-01-20 03:48:23 C 14 12 37.20 +15 48 41.6 U K38
2017-01-20 03:53:22 C 14 12 36.93 +15 48 44.3 o K88
2017-01-20 04:13:56 C 14 12 36.50 +15 48 55.0 U K38
2017-01-20 04:52:06 C 14 12 35.74 +15 49 18.2 q Z21
2017-01-20 04:58:03 C 14 12 35.57 +15 49 21.2 q Z21
2017-01-20 05:04:00 C 14 12 35.41 +15 49 24.1 q Z21
2017-01-20 05:09:56 C 14 12 35.23 +15 49 27.4 q Z21
2017-01-20 05:15:54 C 14 12 35.04 +15 49 30.5 q Z21
2017-01-20 05:21:50 C 14 12 34.87 +15 49 33.6 q Z21
2017-01-20 05:27:48 C 14 12 34.70 +15 49 36.6 q Z21
2017-01-20 05:33:45 C 14 12 34.54 +15 49 39.8 q Z21
2017-01-20 05:41:13 C 14 12 34.30 +15 49 43.6 q Z21
2017-01-21 04:44:13 C 14 11 56.84 +16 01 34.1 U 204
2017-01-21 04:56:06 C 14 11 56.47 +16 01 40.5 U 204
2017-01-21 05:08:28 C 14 11 56.11 +16 01 46.9 U 204
2017-01-21 17:26:13 C 14 11 35.59 +16 08 27.5 o Q62
2017-01-21 17:39:40 C 14 11 35.23 +16 08 34.3 o Q62
2017-01-24 16:00:25 C 14 09 19.767 +16 45 46.68 U T12
2017-01-24 16:01:06 C 14 09 19.740 +16 45 47.02 U T12
2017-01-24 16:02:16 C 14 09 19.693 +16 45 47.68 U T12
2017-01-24 16:03:50 C 14 09 19.633 +16 45 48.52 U T12