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
2019-01-19 09:35:28 C 11 40 23.71 +11 13 36.8 V G96
2019-01-19 09:42:52 C 11 40 23.92 +11 13 35.8 V G96
2019-02-02 12:56:13 C 11 43 52.20 +11 06 43.3 V T08
2019-02-02 13:09:24 C 11 43 51.96 +11 06 43.2 V T08
2019-02-02 13:10:04 C 11 43 51.98 +11 06 43.6 V T08
2019-02-02 13:35:38 C 11 43 51.80 +11 06 44.7 V T08
2019-02-04 10:42:14 C 11 43 20.089 +11 09 49.04 U F52
2019-02-04 10:58:07 C 11 43 19.768 +11 09 50.47 U F52
2019-02-05 13:06:12 C 11 42 52.96 +11 12 02.9 V T05
2019-02-05 13:13:55 C 11 42 52.83 +11 12 03.2 V T05
2019-02-05 13:32:15 C 11 42 52.34 +11 12 05.8 V T05
2019-02-05 13:45:27 C 11 42 51.96 +11 12 09.5 V T05
2019-02-09 08:49:24 C 11 40 40.64 +11 21 52.9 V 703
2019-02-09 08:56:56 C 11 40 40.31 +11 21 54.1 V 703
2019-02-09 09:04:29 C 11 40 40.06 +11 21 54.9 V 703
2019-02-09 09:12:03 C 11 40 39.78 +11 21 55.9 V 703
2019-02-09 11:14:21 C 11 40 35.34 +11 22 11.2 V G96
2019-02-09 11:22:25 C 11 40 35.04 +11 22 12.2 V G96
2019-02-09 11:30:31 C 11 40 34.75 +11 22 13.1 V G96
2019-02-09 11:38:36 C 11 40 34.46 +11 22 14.0 V G96
2019-02-11 08:52:01 C 11 39 04.94 +11 28 18.8 V G96
2019-02-11 09:00:06 C 11 39 04.60 +11 28 20.0 V G96
2019-02-11 09:08:12 C 11 39 04.25 +11 28 21.1 V G96
2019-02-11 09:16:18 C 11 39 03.91 +11 28 22.3 V G96
2019-02-12 12:07:08 C 11 38 03.22 +11 32 45.7 q E89
2019-02-12 12:38:23 C 11 38 01.85 +11 32 50.6 q E89
2019-02-13 01:42:12 C 11 37 29.37 +11 34 16.1 V C95
2019-02-13 01:45:56 C 11 37 29.21 +11 34 16.9 V C95
2019-02-13 01:50:10 C 11 37 29.00 +11 34 17.2 V C95
2019-02-13 01:53:54 C 11 37 28.83 +11 34 18.2 V C95
2019-02-13 07:00:23 C 11 37 16.97 +11 35 08.0 V 703
2019-02-13 07:07:57 C 11 37 16.59 +11 35 10.6 V 703
2019-02-13 07:15:30 C 11 37 16.23 +11 35 11.7 V 703
2019-02-13 07:23:04 C 11 37 15.83 +11 35 13.6 V 703
2019-02-14 01:38:15 C 11 36 27.39 +11 38 04.3 q 160
2019-02-14 01:42:05 C 11 36 27.27 +11 38 01.7 q 160
2019-02-14 01:45:51 C 11 36 27.06 +11 38 01.4 q 160
2019-02-15 01:02:29 C 11 35 23.07 +11 41 49.6 q 160
2019-02-15 01:06:20 C 11 35 22.87 +11 41 50.5 q 160
2019-02-15 01:10:14 C 11 35 22.73 +11 41 49.3 q 160
2019-02-15 11:19:09 C 11 34 53.78 +11 43 42.4 V T08
2019-02-15 11:30:44 C 11 34 53.16 +11 43 45.1 V T08
2019-02-15 11:44:28 C 11 34 52.36 +11 43 46.4 V T08
2019-02-15 11:45:48 C 11 34 52.27 +11 43 46.5 V T08
2019-02-16 02:11:16 C 11 34 08.71 +11 46 02.8 q 160
2019-02-16 02:14:53 C 11 34 08.51 +11 46 03.5 q 160
2019-02-16 02:18:28 C 11 34 08.29 +11 46 04.1 q 160
2019-02-17 01:46:32 C 11 32 55.21 +11 50 07.2 q 160
2019-02-17 01:49:59 C 11 32 55.05 +11 50 06.6 q 160
2019-02-17 01:53:29 C 11 32 54.89 +11 50 06.7 q 160