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
2021-08-03 14:28:44 C 02 41 54.87 -19 47 20.5 V T05
2021-08-03 14:51:13 C 02 42 00.99 -19 47 00.3 V T05
2021-08-03 15:04:25 C 02 42 04.68 -19 46 48.8 V T05
2021-08-05 09:10:20 C 02 54 09.06 -19 06 34.6 V W88
2021-08-05 09:27:04 C 02 54 13.90 -19 06 17.6 V W88
2021-08-05 13:23:19 C 02 55 23.52 -19 02 31.9 V T08
2021-08-05 13:29:17 C 02 55 25.28 -19 02 25.9 V T08
2021-08-05 13:43:01 C 02 55 29.20 -19 02 12.0 V T08
2021-08-05 14:01:37 C 02 55 34.57 -19 01 53.6 V T08
2021-08-07 13:01:41 C 03 09 39.54 -18 10 44.9 V T05
2021-08-07 13:23:50 C 03 09 46.24 -18 10 19.6 V T05
2021-08-07 13:35:42 C 03 09 49.84 -18 10 06.2 V T05
2021-08-07 13:42:59 C 03 09 52.02 -18 09 57.9 V T05
2021-08-08 14:25:11 C 03 17 29.39 -17 40 25.4 V T05
2021-08-08 14:33:06 C 03 17 31.80 -17 40 15.6 V T05
2021-08-08 14:50:20 C 03 17 37.12 -17 39 54.4 V T05
2021-08-08 14:59:36 C 03 17 39.93 -17 39 42.7 V T05
2021-08-09 13:40:35 C 03 24 48.36 -17 10 53.2 V T08
2021-08-09 13:46:35 C 03 24 50.21 -17 10 45.4 V T08
2021-08-09 13:54:34 C 03 24 52.68 -17 10 35.0 V T08
2021-08-09 14:16:59 C 03 24 59.68 -17 10 05.8 V T08
2021-08-11 08:51:13 S 03 38 40.987 -16 11 25.40 L C51
2021-08-11 09:48:14 C 03 39 00.52 -16 09 57.0 V W88
2021-08-11 09:52:52 C 03 39 01.97 -16 09 50.3 V W88
2021-08-11 10:04:12 C 03 39 05.63 -16 09 33.6 V W88
2021-08-11 11:58:37 S 03 39 42.235 -16 06 54.76 L C51
2021-08-11 15:07:40 S 03 40 44.191 -16 02 18.71 L C51
2021-08-11 16:41:45 S 03 41 15.06 -15 59 59.8 L C51
2021-08-11 18:15:48 S 03 41 45.96 -15 57 43.2 L C51
2021-08-11 19:49:53 S 03 42 16.87 -15 55 24.2 L C51
2021-08-11 21:24:08 S 03 42 47.84 -15 53 04.9 L C51
2021-08-11 22:58:11 S 03 43 18.87 -15 50 44.9 L C51
2021-08-12 02:06:19 S 03 44 20.89 -15 46 05.1 L C51
2021-08-12 05:14:39 S 03 45 23.15 -15 41 21.9 L C51
2021-08-14 14:05:49 C 04 04 30.23 -14 10 49.5 V T08
2021-08-14 14:13:00 C 04 04 32.67 -14 10 37.1 V T08
2021-08-14 14:39:40 C 04 04 41.64 -14 09 53.5 V T08
2021-08-14 14:52:57 C 04 04 46.07 -14 09 30.2 V T08
2021-08-16 14:31:41 C 04 21 09.91 -12 45 50.5 V T05
2021-08-16 14:46:19 C 04 21 14.95 -12 45 24.0 V T05
2021-08-16 14:54:25 C 04 21 17.75 -12 45 09.3 V T05
2021-08-16 15:02:23 C 04 21 20.45 -12 44 55.1 V T05
2021-08-18 13:53:10 C 04 37 43.07 -11 16 25.4 V T08
2021-08-18 14:06:26 C 04 37 47.67 -11 16 00.0 V T08
2021-08-18 14:28:03 C 04 37 55.19 -11 15 18.1 V T08
2021-08-26 14:07:50 C 05 45 21.83 -04 30 57.5 V T08
2021-08-26 14:14:29 C 05 45 24.05 -04 30 42.3 V T08
2021-08-26 14:23:54 C 05 45 27.31 -04 30 21.5 V T08
2021-08-26 14:49:27 C 05 45 36.05 -04 29 25.8 V T08
2021-09-10 12:00:32 C 07 38 18.12 +07 06 50.0 U I41