163000 (2001 SW169)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0513795872 ± 2.00e+00
Semi-major axis (a)1.2483629068 AU ± 3.00e+00
Inclination (i)3.55319617° ± 4.00e+00
Long. of Asc. Node (Ω)8.39975134° ± 5.00e+00
Arg. of Perihelion (ω)284.80561788° ± 6.00e+00
Mean Anomaly (M)168.34746960° ± 1.10e-04
Mean Motion (n)0.7066445153°/day ± 2.55e+00
Perihelion dist (q)1.18422254 AU ± 3.79e+00
Aphelion dist (Q)1.31250328 AU ± 4.02e+00
Orbital Period1.39479790 yr ± 5.03e+00
NGA Modelr2
A2-9.55593030e-07 AU/d²
Physical Parameters
H (abs. magnitude)19.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.229″
Uncertainty0
Orbit TypeAmor
MOID0.178617 AU
Observations Used1338
Gaia Obs Used75
Oppositions5
Arc Total1997-2015
First Observation Used1997-12-25
Last Observation Used2025-12-25
Observations (1420)
Date Type RA Dec Mag Band Observatory
2008-07-31 15:11:37 C 00 06 30.33 -14 24 11.0 r F84
2008-08-06 15:18:52 C 00 08 49.81 -13 51 33.9 r E12
2008-08-06 15:36:11 C 00 08 49.77 -13 51 30.6 r E12
2008-08-06 16:49:01 C 00 08 49.56 -13 51 15.8 r E12
2008-08-23 08:06:22 C 00 00 59.92 -12 35 35.3 17.2 c 704
2008-08-23 08:09:32 C 00 00 59.75 -12 35 34.3 17.0 c 704
2008-08-23 08:24:50 C 00 00 58.90 -12 35 31.9 17.5 c 704
2008-08-23 08:28:01 C 00 00 58.70 -12 35 31.2 17.2 c 704
2008-08-23 08:43:09 C 00 00 57.90 -12 35 29.3 17.2 c 704
2008-08-23 08:46:20 C 00 00 57.70 -12 35 29.5 17.8 c 704
2008-08-23 09:01:37 C 00 00 56.81 -12 35 25.2 17.4 c 704
2008-08-23 09:20:29 C 00 00 55.76 -12 35 22.8 18.2 c 704
2008-08-28 23:06:09 C 23 53 48.27 -12 09 39.6 17.6 r 084
2008-08-31 04:42:34 C 23 50 26.28 -11 57 27.5 c 844
2008-08-31 04:51:55 C 23 50 25.57 -11 57 25.5 c 844
2008-08-31 04:55:11 C 23 50 25.32 -11 57 24.6 c 844
2008-09-03 03:42:15 C 23 45 36.56 -11 42 12.4 r J75
2008-09-03 04:07:31 C 23 45 34.61 -11 42 05.9 r J75
2008-09-03 04:32:49 C 23 45 32.67 -11 41 59.3 r J75
2008-09-06 03:47:44 C 23 40 26.87 -11 24 14.1 r J75
2008-09-06 04:12:45 C 23 40 24.88 -11 24 07.0 r J75
2008-09-06 04:37:56 C 23 40 22.92 -11 23 59.8 r J75
2008-09-06 08:10:13 C 23 40 09.22 -11 23 04.2 r 703
2008-09-06 08:22:16 C 23 40 08.29 -11 23 01.0 r 703
2008-09-06 08:34:12 C 23 40 07.24 -11 22 57.8 r 703
2008-09-06 08:46:16 C 23 40 06.24 -11 22 54.7 r 703
2008-09-08 20:55:51 C 23 35 42.30 -11 06 26.1 r A81
2008-09-08 21:03:24 C 23 35 41.68 -11 06 24.3 r A81
2008-09-10 20:26:53 C 23 32 10.49 -10 52 32.3 16.5 r 084
2008-09-11 00:02:08 C 23 31 53.28 -10 51 26.3 17.0 r 084
2008-09-11 00:07:23 C 23 31 52.83 -10 51 24.5 16.9 r 084
2008-09-11 04:56:29 C 23 31 32.11 -10 49 00.8 r 808
2008-09-11 05:05:29 C 23 31 31.31 -10 48 58.1 r 808
2008-09-11 05:14:29 C 23 31 30.59 -10 48 55.4 r 808
2008-09-11 06:35:59 C 23 31 24.65 -10 49 14.6 o H47
2008-09-11 06:52:18 C 23 31 23.28 -10 49 09.4 o H47
2008-09-11 07:09:50 C 23 31 21.82 -10 49 04.2 o H47
2008-09-11 07:22:46 C 23 31 20.68 -10 49 00.0 o H47
2008-09-13 03:13:39 C 23 28 09.46 -10 34 22.8 r 808
2008-09-13 03:24:59 C 23 28 08.70 -10 34 19.8 r 808
2008-09-13 03:35:00 C 23 28 07.62 -10 34 15.6 r 808
2008-09-17 23:50:08 C 23 19 56.95 -09 55 00.7 o J41
2008-09-20 22:18:13 C 23 15 23.77 -09 28 30.3 r J59
2008-09-20 22:31:50 C 23 15 22.82 -09 28 24.8 r J59
2008-09-20 22:43:50 C 23 15 21.91 -09 28 20.2 r J59
2008-09-22 20:20:55 C 23 12 37.23 -09 10 31.4 17.1 r 084
2008-09-22 20:26:10 C 23 12 36.87 -09 10 29.2 17.1 r 084
2008-09-26 23:56:28 C 23 07 18.30 -08 29 24.3 r J53
2008-09-26 23:59:07 C 23 07 18.14 -08 29 23.1 r J53
2008-09-27 00:05:17 C 23 07 17.79 -08 29 20.6 r J53