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
2022-03-31 11:41:50 C 12 57 17.758 +12 17 14.46 U F52
2022-03-31 11:57:43 C 12 57 16.744 +12 17 16.57 U F52
2022-03-31 12:13:28 C 12 57 15.711 +12 17 18.83 U F52
2022-03-31 12:29:17 C 12 57 14.696 +12 17 21.13 U F52
2022-04-02 08:27:41 C 12 54 30.510 +12 23 23.32 V G96
2022-04-02 08:35:09 C 12 54 30.028 +12 23 24.68 V G96
2022-04-02 08:42:37 C 12 54 29.570 +12 23 25.44 V G96
2022-04-21 07:12:28 C 12 30 33.747 +12 36 25.43 U F52
2022-04-21 07:29:08 C 12 30 33.040 +12 36 24.30 U F52
2022-04-21 07:45:55 C 12 30 32.297 +12 36 23.13 U F52