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
2015-09-26 01:30:00 C 01 23 23.81 +07 58 20.3 c A24
2015-09-26 01:31:02 C 01 23 23.72 +07 58 20.7 c A24
2015-09-27 05:14:36 C 01 21 28.09 +08 04 20.4 u H21
2015-09-27 05:16:33 C 01 21 27.93 +08 04 20.7 u H21
2015-09-27 05:18:31 C 01 21 27.78 +08 04 21.2 u H21
2015-09-27 05:20:29 C 01 21 27.63 +08 04 21.5 u H21
2015-09-27 05:22:26 C 01 21 27.49 +08 04 22.1 u H21
2015-09-27 05:24:24 C 01 21 27.32 +08 04 22.4 u H21
2015-09-27 05:26:21 C 01 21 27.17 +08 04 22.8 u H21
2015-09-27 05:28:19 C 01 21 27.02 +08 04 23.2 u H21
2015-09-27 05:30:17 C 01 21 26.86 +08 04 23.5 u H21
2015-09-27 05:32:14 C 01 21 26.71 +08 04 24.1 u H21
2015-09-27 05:34:12 C 01 21 26.56 +08 04 24.3 u H21
2015-09-27 05:36:04 C 01 21 26.41 +08 04 24.7 u H21
2015-09-27 05:38:19 C 01 21 26.23 +08 04 25.1 u H21
2015-09-27 07:29:33 C 01 21 17.32 +08 04 49.0 u H21
2015-09-27 07:31:42 C 01 21 17.15 +08 04 49.3 u H21
2015-09-27 07:33:46 C 01 21 16.99 +08 04 49.8 u H21
2015-09-27 07:35:51 C 01 21 16.82 +08 04 50.2 u H21
2015-09-27 07:37:54 C 01 21 16.66 +08 04 50.5 u H21
2015-09-27 07:39:58 C 01 21 16.50 +08 04 51.1 u H21
2015-09-27 07:42:02 C 01 21 16.33 +08 04 51.6 u H21
2015-09-27 07:44:06 C 01 21 16.16 +08 04 51.9 u H21
2015-09-27 07:46:10 C 01 21 16.00 +08 04 52.4 u H21
2015-09-27 07:48:14 C 01 21 15.84 +08 04 52.8 u H21
2015-09-27 07:50:18 C 01 21 15.68 +08 04 53.2 u H21
2015-09-27 07:52:22 C 01 21 15.52 +08 04 53.5 u H21
2015-09-27 07:55:10 C 01 21 15.30 +08 04 54.2 u H21
2015-10-02 06:39:22 C 01 12 19.06 +08 27 00.3 R G45
2015-10-02 06:46:55 C 01 12 18.39 +08 27 01.6 R G45
2015-10-02 06:54:30 C 01 12 17.71 +08 27 03.1 R G45
2015-10-02 07:02:18 C 01 12 17.04 +08 27 04.4 R G45
2015-10-02 07:10:18 C 01 12 16.32 +08 27 05.9 R G45
2015-10-02 07:16:16 C 01 12 15.19 +08 27 03.2 q H21
2015-10-02 07:18:21 C 01 12 14.99 +08 27 03.4 q H21
2015-10-02 07:20:37 C 01 12 14.80 +08 27 03.7 q H21
2015-10-02 07:22:54 C 01 12 14.63 +08 27 04.1 q H21
2015-10-02 07:24:57 C 01 12 14.45 +08 27 04.4 q H21
2015-10-02 08:11:50 C 01 12 11.10 +08 27 16.2 q G96
2015-10-02 08:19:12 C 01 12 10.45 +08 27 17.4 q G96
2015-10-02 08:26:32 C 01 12 09.80 +08 27 18.5 q G96
2015-10-02 08:33:55 C 01 12 09.15 +08 27 19.7 q G96
2015-10-02 09:48:41 C 01 12 02.62 +08 27 31.9 o 691
2015-10-02 10:15:47 C 01 12 00.28 +08 27 35.9 o 691
2015-10-02 10:42:54 C 01 11 57.94 +08 27 40.1 o 691
2015-10-05 04:40:16 C 01 06 42.06 +08 37 32.1 o Z22
2015-10-05 05:32:23 C 01 06 37.52 +08 37 37.6 o Z22
2015-10-07 00:41:17 C 01 03 10.51 +08 43 16.0 17.1 u J43
2015-10-07 00:54:06 C 01 03 09.35 +08 43 17.6 17.1 u J43
2015-10-07 01:06:52 C 01 03 08.20 +08 43 19.0 17.1 u J43