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
2021-10-02 09:51:24 C 01 28 10.754 +08 07 37.88 U F52
2021-10-02 10:08:00 C 01 28 11.948 +08 07 26.37 U F52
2021-10-02 10:24:34 C 01 28 13.132 +08 07 14.86 U F52
2021-10-03 05:30:53 C 01 29 51.08 +07 53 06.6 X 858
2021-10-03 05:50:11 C 01 29 52.58 +07 52 53.3 X 858
2021-10-03 06:09:26 C 01 29 54.04 +07 52 39.0 X 858
2021-10-05 09:53:32 C 01 34 49.965 +07 08 33.15 U F52
2021-10-05 10:09:20 C 01 34 51.415 +07 08 18.18 U F52
2021-10-05 10:25:10 C 01 34 52.876 +07 08 03.09 U F52
2021-10-09 07:02:15 C 01 46 31.29 +05 17 10.4 V 703
2021-10-09 07:10:28 C 01 46 32.33 +05 16 57.9 V 703
2021-10-09 07:18:41 C 01 46 33.51 +05 16 47.1 V 703
2021-10-09 07:26:54 C 01 46 34.63 +05 16 34.9 V 703
2021-10-09 08:11:20 C 01 46 40.77 +05 15 28.0 V G96
2021-10-09 08:19:28 C 01 46 41.91 +05 15 16.0 V G96
2021-10-09 08:27:35 C 01 46 43.02 +05 15 04.0 V G96
2021-10-09 08:35:42 C 01 46 44.15 +05 14 51.8 V G96
2021-10-09 10:06:06 C 01 46 59.27 +05 12 48.7 V T08
2021-10-09 10:08:45 C 01 46 59.64 +05 12 44.5 V T08
2021-10-09 10:12:44 C 01 47 00.14 +05 12 39.6 V T08
2021-10-09 10:20:43 C 01 47 01.41 +05 12 26.5 V T08
2021-10-11 11:20:30 C 01 55 29.85 +03 48 38.5 V T05
2021-10-11 12:10:24 C 01 55 38.74 +03 47 01.6 V T05
2021-10-11 12:15:11 C 01 55 39.62 +03 46 52.5 V T05
2021-10-11 12:56:20 C 01 55 47.02 +03 45 31.2 V T05
2021-10-11 15:32:43 C 01 56 21.01 +03 40 11.2 V D29
2021-10-11 15:53:04 C 01 56 24.76 +03 39 30.9 V D29
2021-10-11 16:13:26 C 01 56 28.52 +03 38 50.4 V D29
2021-10-12 14:14:21 C 02 01 10.68 +02 52 09.0 V D29
2021-10-12 14:18:10 C 02 01 11.49 +02 52 00.8 V D29
2021-10-12 14:34:43 C 02 01 15.00 +02 51 23.7 V D29
2021-10-12 14:38:32 C 02 01 15.81 +02 51 14.5 V D29
2021-10-12 14:58:55 C 02 01 20.09 +02 50 29.2 V D29
2021-10-13 08:47:46 C 02 05 34.817 +02 08 14.25 U F52
2021-10-13 09:03:29 C 02 05 38.486 +02 07 34.75 U F52
2021-10-13 09:19:07 C 02 05 42.112 +02 06 55.65 U F52
2021-10-13 09:34:51 C 02 05 45.782 +02 06 15.94 U F52
2021-10-13 10:56:27 C 02 06 04.743 +02 02 49.50 U F51
2021-10-13 11:13:12 C 02 06 08.654 +02 02 06.76 U F51
2021-10-13 11:29:57 C 02 06 12.541 +02 01 24.33 U F51
2021-10-13 11:46:47 C 02 06 16.484 +02 00 41.26 U F51
2021-10-14 06:15:59 C 02 11 17.08 +01 10 28.9 V 703
2021-10-14 06:23:43 C 02 11 19.22 +01 10 06.0 V 703
2021-10-14 06:31:27 C 02 11 21.20 +01 09 44.4 V 703
2021-10-14 06:39:10 C 02 11 23.25 +01 09 22.3 V 703
2021-10-16 06:07:56 C 02 27 09.38 -01 29 30.9 V 703
2021-10-16 06:15:35 C 02 27 12.17 -01 30 00.7 V 703
2021-10-16 06:23:15 C 02 27 14.98 -01 30 30.6 V 703
2021-10-16 06:32:31 C 02 27 18.39 -01 31 06.7 V 703
2021-10-17 08:10:42 C 02 38 10.35 -03 20 35.9 o 691