2017 SW20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7997688443 ± 7.44e-08
Semi-major axis (a)2.0145027605 AU ± 5.72e-08
Inclination (i)20.24926073° ± 1.64e-05
Long. of Asc. Node (Ω)83.25815005° ± 4.10e-05
Arg. of Perihelion (ω)167.98818836° ± 4.61e-05
Mean Anomaly (M)329.80407164° ± 2.25e-05
Mean Motion (n)0.3447152334°/day ± 1.47e-08
Perihelion dist (q)0.40336622 AU ± 1.50e-07
Aphelion dist (Q)3.62563931 AU ± 1.82e-07
Orbital Period2.85924783 yr ± 1.22e-07
Physical Parameters
H (abs. magnitude)19.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.402″
Uncertainty0
Orbit TypeApollo
MOID0.294949 AU
Observations Used74
Oppositions4
Arc Total2017-2023
First Observation Used2017-09-26
Last Observation Used2023-02-07
Observations (82)
Date Type RA Dec Mag Band Observatory
2017-12-10 03:02:19 C 01 27 10.87 -12 23 16.1 U 807
2017-12-10 03:19:15 C 01 27 10.76 -12 23 05.6 U 807
2019-12-03 11:20:18 C 07 59 44.106 +29 11 26.73 V F51
2019-12-03 11:37:33 C 07 59 43.610 +29 11 33.88 V F51
2019-12-03 11:54:56 C 07 59 43.174 +29 11 41.26 V F51
2020-01-03 07:25:20 C 07 14 09.50 +35 44 07.0 V G96
2020-01-03 07:32:52 C 07 14 08.76 +35 44 11.3 V G96
2020-01-03 07:47:50 C 07 14 07.21 +35 44 19.8 V G96
2020-01-17 23:21:59 C 06 33 23.47 +38 34 51.6 V J04
2020-01-17 23:32:52 C 06 33 22.12 +38 34 54.9 V J04
2020-01-17 23:43:46 C 06 33 20.71 +38 34 59.1 V J04
2020-01-17 23:54:39 C 06 33 19.27 +38 35 03.5 V J04
2022-12-20 07:54:17 C 09 40 22.476 +32 52 13.91 V I52
2022-12-20 07:59:06 C 09 40 22.624 +32 52 18.59 V I52
2022-12-20 08:59:55 C 09 40 24.085 +32 53 13.45 V I52
2022-12-20 09:04:44 C 09 40 24.168 +32 53 18.89 V I52
2023-01-10 04:27:34 C 09 45 43.07 +44 28 37.0 X C95
2023-01-10 05:35:24 C 09 45 41.87 +44 30 53.9 X C95
2023-01-23 08:02:41 C 09 30 09.594 +58 10 44.47 V 703
2023-01-23 08:09:48 C 09 30 08.824 +58 11 06.04 V 703
2023-01-23 08:16:51 C 09 30 08.248 +58 11 28.72 V 703
2023-01-27 06:09:50 C 09 16 38.824 +63 31 23.81 V 703
2023-01-27 06:17:38 C 09 16 37.380 +63 31 52.03 V 703
2023-01-27 06:25:26 C 09 16 35.951 +63 32 20.72 V 703
2023-02-04 20:13:06 C 07 48 06.401 +76 19 29.60 X K74
2023-02-04 20:23:18 C 07 47 57.288 +76 20 05.39 X K74
2023-02-04 20:33:10 C 07 47 48.182 +76 20 40.24 X K74
2023-02-07 18:15:41 C 06 19 54.790 +79 44 38.36 V A17
2023-02-07 18:30:57 C 06 19 28.970 +79 45 11.12 V A17
2023-02-07 18:50:10 C 06 18 56.390 +79 45 53.14 V A17
2023-02-07 19:08:49 C 06 18 24.689 +79 46 31.66 X K74
2023-02-07 19:20:28 C 06 18 04.594 +79 46 55.52 X K74