2017 SJ20

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6717073913 ± 2.47e-08
Semi-major axis (a)2.4946648824 AU ± 1.88e-08
Inclination (i)5.41677021° ± 5.76e-06
Long. of Asc. Node (Ω)189.64347358° ± 1.43e-05
Arg. of Perihelion (ω)261.21014021° ± 1.86e-05
Mean Anomaly (M)2.13329851° ± 3.65e-06
Mean Motion (n)0.2501462265°/day ± 2.83e-09
Perihelion dist (q)0.81898004 AU ± 6.20e-08
Aphelion dist (Q)4.17034972 AU ± 6.93e-08
Orbital Period3.94020049 yr ± 4.46e-08
Physical Parameters
H (abs. magnitude)22.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.209″
Uncertainty0
Orbit TypeApollo
MOID0.039316 AU
Observations Used103
Oppositions5
Arc Total2014-2021
First Observation Used2014-03-05
Last Observation Used2021-10-22
Observations (113)
Date Type RA Dec Mag Band Observatory
2021-10-17 08:15:12 C 02 38 12.33 -03 20 56.6 o 691
2021-10-17 08:19:42 C 02 38 14.32 -03 21 17.7 o 691
2021-10-19 09:47:17 C 03 06 22.88 -07 57 42.8 V T05
2021-10-19 09:52:36 C 03 06 26.36 -07 58 18.2 V T05
2021-10-19 09:58:35 C 03 06 30.29 -07 58 57.8 V T05
2021-10-19 10:09:08 C 03 06 37.25 -08 00 08.3 V T05
2021-10-19 22:13:20 C 03 15 22.62 -09 24 45.6 V L54
2021-10-19 22:30:25 C 03 15 35.48 -09 26 49.4 V L54
2021-10-19 22:44:51 C 03 15 46.38 -09 28 38.4 V L54
2021-10-22 11:29:09 C 04 17 13.779 -18 24 07.81 U F51
2021-10-22 11:45:19 C 04 17 34.137 -18 26 53.96 U F51
2021-10-22 12:01:31 C 04 17 54.585 -18 29 40.56 U F51
2021-10-22 12:17:41 C 04 18 15.005 -18 32 26.42 U F51