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
2012-01-31 10:19:30 C 10 29 23.02 +21 08 20.6 r 703
2012-01-31 10:27:38 C 10 29 22.52 +21 08 22.8 r 703
2012-02-01 05:03:27 C 10 28 17.67 +21 13 54.8 19.0 c 704
2012-02-01 05:39:45 C 10 28 15.26 +21 14 07.3 18.5 c 704
2012-02-01 05:57:51 C 10 28 14.09 +21 14 13.1 18.8 c 704
2012-02-01 06:15:59 C 10 28 12.92 +21 14 18.1 18.8 c 704
2012-02-01 13:25:31 C 10 27 44.858 +21 16 34.38 L F51
2012-02-01 13:44:11 C 10 27 43.569 +21 16 39.70 L F51
2012-02-03 14:32:12 C 10 24 33.160 +21 31 11.59 L F51
2012-02-03 14:48:40 C 10 24 31.950 +21 31 16.05 L F51
2012-02-04 08:44:08 C 10 23 19.279 +21 36 29.49 t 695
2012-02-04 08:52:24 C 10 23 18.641 +21 36 31.99 t 695
2012-02-04 09:05:21 C 10 23 17.638 +21 36 35.60 t 695
2012-02-04 09:13:34 C 10 23 17.009 +21 36 37.96 t 695
2012-02-04 09:28:42 C 10 23 15.875 +21 36 42.47 t 695
2012-02-04 09:36:57 C 10 23 15.214 +21 36 44.73 t 695
2012-02-05 08:56:36 C 10 21 35.978 +21 43 31.04 t 695
2012-02-05 09:04:02 C 10 21 35.390 +21 43 32.88 t 695
2012-02-05 09:32:30 C 10 21 33.114 +21 43 40.63 t 695
2012-02-05 09:40:46 C 10 21 32.478 +21 43 43.02 t 695
2012-02-05 09:50:01 C 10 21 31.750 +21 43 45.54 t 695
2012-02-05 09:58:15 C 10 21 31.096 +21 43 47.92 t 695
2012-02-06 07:17:39 C 10 19 58.170 +21 49 51.90 t 695
2012-02-06 07:25:53 C 10 19 57.488 +21 49 54.39 t 695
2012-02-06 09:29:58 C 10 19 47.339 +21 50 29.54 t 695
2012-02-06 09:38:14 C 10 19 46.648 +21 50 31.99 t 695
2012-02-06 09:47:14 C 10 19 45.926 +21 50 34.30 t 695
2012-02-06 09:55:38 C 10 19 45.256 +21 50 36.34 t 695
2012-02-11 09:26:47 C 10 10 11.17 +22 21 36.2 r 703
2012-02-11 09:38:06 C 10 10 10.16 +22 21 38.9 r 703
2012-02-11 09:49:38 C 10 10 09.12 +22 21 41.4 r 703
2012-02-11 10:01:08 C 10 10 08.07 +22 21 43.9 r 703
2012-02-13 21:44:00 C 10 05 00.31 +22 34 32.3 i C91
2012-02-13 22:03:59 C 10 04 58.58 +22 34 35.9 i C91
2012-02-14 12:39:12 C 10 03 39.973 +22 37 36.05 L F51
2012-02-14 12:58:35 C 10 03 38.120 +22 37 39.27 L F51
2012-02-14 22:12:00 C 10 02 50.64 +22 39 11.4 i C91
2012-02-14 22:27:00 C 10 02 49.23 +22 39 14.1 i C91
2012-02-14 22:37:04 C 10 02 48.32 +22 39 16.3 c A24
2012-02-14 22:38:06 C 10 02 48.21 +22 39 16.3 c A24
2012-02-15 00:14:34 C 10 02 39.07 +22 39 33.1 c A24
2012-02-17 21:55:09 C 09 56 25.42 +22 50 25.3 c A24
2012-02-17 21:56:11 C 09 56 25.34 +22 50 24.8 c A24
2012-02-21 21:31:00 C 09 47 52.21 +22 59 05.7 C91
2012-02-21 21:47:00 C 09 47 50.66 +22 59 06.3 C91
2012-02-22 06:01:05 C 09 47 07.04 +22 59 33.6 r 703
2012-02-22 06:13:44 C 09 47 05.74 +22 59 32.9 r 703
2012-02-22 06:26:27 C 09 47 04.59 +22 59 35.4 r 703
2012-02-22 23:50:59 C 09 45 32.58 +23 00 06.2 C91
2012-02-23 00:08:00 C 09 45 31.03 +23 00 06.1 C91