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
2021-09-10 12:04:12 C 07 38 19.13 +07 06 55.7 U I41
2021-09-10 12:07:51 C 07 38 20.14 +07 07 01.3 U I41
2021-09-10 12:11:31 C 07 38 21.16 +07 07 07.1 U I41
2021-09-10 12:15:09 C 07 38 22.17 +07 07 12.6 U I41
2021-09-12 12:00:45 C 07 51 28.74 +08 17 42.8 U I41
2021-09-12 12:04:20 C 07 51 29.69 +08 17 47.8 U I41
2021-09-12 12:07:55 C 07 51 30.64 +08 17 52.9 U I41
2021-09-12 12:11:28 C 07 51 31.60 +08 17 58.1 U I41
2021-09-12 12:15:02 C 07 51 32.55 +08 18 02.9 U I41
2021-09-14 12:02:39 C 08 04 12.65 +09 22 09.1 U I41
2021-09-14 12:06:08 C 08 04 13.57 +09 22 13.7 U I41
2021-09-14 12:13:08 C 08 04 15.38 +09 22 22.5 U I41
2021-09-14 12:16:37 C 08 04 16.28 +09 22 26.7 U I41
2021-09-20 12:10:22 C 08 39 57.12 +11 57 08.3 U I41
2021-09-20 12:13:58 C 08 39 57.97 +11 57 11.3 U I41
2021-09-20 12:17:33 C 08 39 58.80 +11 57 14.7 U I41
2021-09-20 12:21:08 C 08 39 59.63 +11 57 17.9 U I41
2021-09-27 12:17:34 C 09 17 41.87 +13 50 07.8 U I41
2021-09-27 12:21:05 C 09 17 42.60 +13 50 09.2 U I41
2021-09-27 12:24:36 C 09 17 43.33 +13 50 11.5 U I41
2021-09-27 12:44:02 C 09 17 47.47 +13 50 20.9 U I41
2021-10-02 12:16:12 C 09 42 29.79 +14 31 46.5 U I41
2021-10-02 12:19:48 C 09 42 30.51 +14 31 47.1 U I41
2021-10-02 12:23:24 C 09 42 31.24 +14 31 48.0 U I41
2021-10-02 12:27:01 C 09 42 31.93 +14 31 48.9 U I41
2021-10-02 12:30:37 C 09 42 32.66 +14 31 49.7 U I41
2021-12-02 12:47:03 C 12 59 50.83 +07 01 35.5 V G96
2021-12-02 12:58:27 C 12 59 51.77 +07 01 32.1 V G96
2021-12-02 13:03:55 C 12 59 52.20 +07 01 30.0 V G96
2022-01-08 12:56:49 C 13 51 35.46 +04 35 32.8 V G96
2022-01-08 13:04:13 C 13 51 35.67 +04 35 32.8 V G96
2022-01-08 13:11:38 C 13 51 35.95 +04 35 33.0 V G96
2022-01-08 13:19:01 C 13 51 36.18 +04 35 32.8 V G96
2022-02-09 13:46:55 C 13 58 11.261 +06 26 47.57 U F52
2022-02-09 14:18:01 C 13 58 10.644 +06 26 56.14 U F52
2022-02-09 14:33:43 C 13 58 10.338 +06 27 00.59 U F52
2022-02-25 11:21:02 C 13 46 06.546 +08 27 24.99 U F52
2022-02-25 11:42:01 C 13 46 05.566 +08 27 32.33 U F52
2022-02-25 12:03:05 C 13 46 04.597 +08 27 39.56 U F52
2022-03-05 11:05:58 C 13 36 30.493 +09 33 24.76 U F52
2022-03-05 11:22:30 C 13 36 29.550 +09 33 30.41 U F52
2022-03-05 11:38:59 C 13 36 28.609 +09 33 36.10 U F52
2022-03-05 11:55:36 C 13 36 27.662 +09 33 41.70 U F52
2022-03-13 14:09:26 C 13 24 58.109 +10 36 51.74 U F52
2022-03-13 14:25:00 C 13 24 57.110 +10 36 56.35 U F52
2022-03-13 14:56:18 C 13 24 55.119 +10 37 05.97 U F52
2022-03-23 08:45:05 C 13 09 51.69 +11 40 12.9 V G96
2022-03-23 08:52:30 C 13 09 51.12 +11 40 14.8 V G96
2022-03-23 08:59:52 C 13 09 50.61 +11 40 15.9 V G96
2022-03-23 09:07:16 C 13 09 50.13 +11 40 18.7 V G96