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
2008-10-30 05:18:14 C 23 05 22.504 -02 03 51.16 645
2008-10-30 05:18:50 C 23 05 22.504 -02 03 51.12 645
2008-11-01 03:18:21 C 23 07 12.00 -01 39 45.7 19.1 c 704
2008-11-01 03:35:46 C 23 07 12.59 -01 39 36.5 19.7 c 704
2008-11-01 03:53:15 C 23 07 13.12 -01 39 27.0 19.1 c 704
2008-11-01 04:10:37 C 23 07 13.77 -01 39 18.3 19.2 c 704
2008-11-16 18:42:28 C 23 27 21.34 +01 43 10.7 19.6 c A77
2008-11-16 19:16:01 C 23 27 23.30 +01 43 29.5 19.4 c A77
2008-11-16 19:49:34 C 23 27 25.29 +01 43 47.6 19.5 c A77
2008-11-18 18:50:00 C 23 30 30.47 +02 09 54.1 18.7 c A77
2008-11-18 19:24:50 C 23 30 32.65 +02 10 14.3 19.1 c A77
2008-11-18 19:59:39 C 23 30 34.81 +02 10 34.1 19.3 c A77
2008-11-20 03:20:51 C 23 32 41.73 +02 28 05.6 19.8 c 704
2008-11-20 03:39:06 C 23 32 42.70 +02 28 16.6 20.2 c 704
2008-11-20 03:57:11 C 23 32 43.97 +02 28 28.8 19.9 c 704
2008-11-20 04:33:27 C 23 32 46.31 +02 28 47.4 20.3 c 704
2011-12-21 08:06:32 C 10 26 29.86 +19 06 37.4 o 807
2011-12-21 08:15:13 C 10 26 30.29 +19 06 36.6 o 807
2011-12-21 08:25:19 C 10 26 30.77 +19 06 35.8 o 807
2011-12-21 08:40:01 C 10 26 31.49 +19 06 34.2 o 807
2011-12-28 11:27:09 C 10 34 26.29 +18 55 38.5 r 703
2011-12-28 11:38:23 C 10 34 26.61 +18 55 37.8 r 703
2011-12-28 11:49:45 C 10 34 27.01 +18 55 37.6 r 703
2011-12-28 12:01:09 C 10 34 27.44 +18 55 37.5 r 703
2012-01-18 08:37:41 C 10 41 12.73 +19 43 17.7 r 703
2012-01-18 09:05:16 C 10 41 12.19 +19 43 24.0 r 703
2012-01-18 09:19:03 C 10 41 11.90 +19 43 26.5 r 703
2012-01-22 10:46:02 C 10 38 58.180 +20 06 49.59 L F51
2012-01-22 11:26:43 C 10 38 56.725 +20 07 00.66 L F51
2012-01-22 11:46:55 C 10 38 55.991 +20 07 06.16 L F51
2012-01-26 00:06:03 C 10 35 55.79 +20 29 53.2 c A24
2012-01-26 00:08:08 C 10 35 55.73 +20 29 53.7 c A24
2012-01-26 00:31:55 C 10 35 54.63 +20 30 00.6 c A24
2012-01-26 00:56:14 C 10 35 53.50 +20 30 07.7 c A24
2012-01-26 01:20:02 C 10 35 52.41 +20 30 14.4 c A24
2012-01-26 01:22:07 C 10 35 52.29 +20 30 15.0 c A24
2012-01-27 00:45:56 C 10 34 51.84 +20 36 57.6 c A24
2012-01-27 00:46:58 C 10 34 51.77 +20 36 57.9 c A24
2012-01-27 00:48:00 C 10 34 51.72 +20 36 58.1 c A24
2012-01-27 00:49:02 C 10 34 51.65 +20 36 58.5 c A24
2012-01-27 06:42:18 C 10 34 36.42 +20 38 43.9 u 448
2012-01-27 06:48:55 C 10 34 36.08 +20 38 46.3 u 448
2012-01-27 06:54:29 C 10 34 35.80 +20 38 47.5 u 448
2012-01-27 07:00:46 C 10 34 35.48 +20 38 49.6 u 448
2012-01-27 07:08:17 C 10 34 35.09 +20 38 52.0 u 448
2012-01-30 08:49:20 C 10 30 50.86 +21 00 41.9 r 703
2012-01-30 09:01:05 C 10 30 50.14 +21 00 45.0 r 703
2012-01-30 09:12:56 C 10 30 49.42 +21 00 48.9 r 703
2012-01-31 10:03:08 C 10 29 24.18 +21 08 16.1 r 703
2012-01-31 10:11:17 C 10 29 23.60 +21 08 18.5 r 703