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
2017-09-08 14:45:13 S 05 20 36.734 -18 22 13.08 L C51
2017-09-08 17:53:54 S 05 20 11.604 -18 24 55.69 L C51
2017-09-08 19:28:09 S 05 19 58.966 -18 26 16.44 L C51
2017-09-08 21:02:24 S 05 19 46.409 -18 27 38.16 L C51
2017-09-09 01:45:09 S 05 19 08.741 -18 31 43.68 L C51
2017-09-09 01:45:20 S 05 19 08.604 -18 31 41.05 L C51
2017-09-13 03:10:31 S 05 05 50.611 -19 52 46.24 L C51
2017-09-26 14:27:48 C 04 17 04.756 -23 29 49.06 L F51
2017-09-26 14:41:59 C 04 17 02.409 -23 29 56.28 L F51
2017-09-26 14:56:07 C 04 17 00.066 -23 30 03.32 L F51
2017-09-27 02:08:18 C 04 15 11.65 -23 35 24.1 U K91
2017-09-27 02:15:29 C 04 15 10.45 -23 35 27.7 U K91
2017-09-27 02:22:41 C 04 15 09.27 -23 35 31.2 U K91
2017-09-27 07:02:27 C 04 14 24.24 -23 37 47.0 u 807
2017-09-27 07:08:28 C 04 14 23.25 -23 37 50.0 u 807
2017-09-27 07:14:38 C 04 14 22.22 -23 37 52.9 u 807
2017-09-27 13:14:45 C 04 13 23.739 -23 40 55.54 L F51
2017-09-27 13:44:28 C 04 13 18.778 -23 41 09.84 L F51
2017-09-27 13:59:19 C 04 13 16.310 -23 41 16.88 L F51
2017-09-28 11:13:37 C 04 09 48.61 -23 51 02.9 q I52
2017-09-28 11:15:24 C 04 09 48.26 -23 51 03.2 q I52
2017-09-28 11:21:16 C 04 09 47.29 -23 51 06.5 q I52
2017-09-28 11:23:03 C 04 09 47.01 -23 51 05.6 q I52
2017-09-30 09:44:00 C 04 02 10.68 -24 10 11.5 u H21
2017-09-30 09:52:29 C 04 02 09.24 -24 10 14.8 u H21
2017-09-30 10:00:22 C 04 02 07.91 -24 10 17.9 u H21
2017-09-30 11:45:44 C 04 01 50.49 -24 10 56.3 o 926
2017-09-30 11:56:29 C 04 01 48.68 -24 11 00.2 o 926
2017-09-30 12:07:37 C 04 01 46.81 -24 11 04.5 o 926
2017-10-01 09:23:07 C 03 58 16.76 -24 18 45.4 o 926
2017-10-01 09:29:27 C 03 58 15.71 -24 18 46.9 o 926
2017-10-01 09:35:48 C 03 58 14.62 -24 18 49.1 o 926
2017-10-11 15:09:41 C 03 17 54.58 -24 58 11.5 U 474
2017-10-11 15:14:45 C 03 17 53.75 -24 58 11.1 U 474
2017-10-11 15:19:49 C 03 17 53.00 -24 58 10.7 U 474
2017-10-26 04:24:10 C 02 27 52.90 -23 29 14.6 u 807
2017-10-26 04:29:27 C 02 27 52.25 -23 29 12.1 u 807
2017-10-26 04:34:49 C 02 27 51.55 -23 29 09.9 u 807
2017-10-27 02:56:23 C 02 25 09.89 -23 18 53.4 u 807
2017-10-27 03:04:13 C 02 25 08.91 -23 18 50.5 u 807
2017-10-27 03:12:15 C 02 25 07.95 -23 18 46.9 u 807
2017-10-27 13:06:11 C 02 23 57.21 -23 14 03.7 U 474
2017-10-27 13:11:15 C 02 23 56.61 -23 14 01.6 U 474
2017-10-27 13:16:20 C 02 23 56.03 -23 13 59.0 U 474
2017-11-13 03:54:19 C 01 47 55.69 -19 21 25.5 U 807
2017-11-13 04:06:49 C 01 47 54.85 -19 21 17.9 U 807
2017-11-21 00:50:21 C 01 37 50.11 -17 17 37.2 u 807
2017-11-21 01:10:40 C 01 37 49.20 -17 17 23.8 u 807
2017-11-21 01:30:34 C 01 37 48.31 -17 17 10.6 u 807
2017-12-10 02:44:49 C 01 27 11.02 -12 23 27.1 U 807