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
2015-10-29 05:01:17 C 00 28 53.87 +09 26 55.6 u H21
2015-10-29 05:04:18 C 00 28 53.74 +09 26 55.9 u H21
2015-10-29 05:07:19 C 00 28 53.60 +09 26 56.4 u H21
2015-10-29 05:10:20 C 00 28 53.48 +09 26 56.4 u H21
2015-10-29 05:13:21 C 00 28 53.35 +09 26 56.8 u H21
2015-10-29 05:16:22 C 00 28 53.23 +09 26 57.2 u H21
2015-10-29 05:19:23 C 00 28 53.08 +09 26 57.3 u H21
2015-10-29 05:23:00 C 00 28 52.92 +09 26 57.5 u H21
2015-10-29 22:14:43 C 00 28 17.02 +09 28 25.2 q 160
2015-10-29 22:16:57 C 00 28 16.93 +09 28 25.2 q 160
2015-10-29 22:19:11 C 00 28 16.84 +09 28 25.3 q 160
2015-10-30 05:43:18 C 00 28 01.40 +09 29 09.6 q H45
2015-10-30 05:45:35 C 00 28 01.26 +09 29 09.6 q H45
2015-10-30 05:48:00 C 00 28 01.19 +09 29 09.7 q H45
2015-10-30 05:50:14 C 00 28 01.11 +09 29 10.0 q H45
2015-10-30 05:52:12 C 00 28 01.03 +09 29 10.3 q H45
2015-10-30 05:54:14 C 00 28 00.94 +09 29 10.3 q H45
2015-10-30 21:19:08 C 00 27 31.33 +09 30 34.9 q 160
2015-10-30 21:21:23 C 00 27 31.19 +09 30 33.4 q 160
2015-10-30 21:23:36 C 00 27 31.17 +09 30 32.7 q 160
2015-10-31 05:18:06 C 00 27 16.34 +09 31 23.2 q 703
2015-10-31 05:25:26 C 00 27 16.05 +09 31 24.2 q 703
2015-10-31 05:32:46 C 00 27 15.76 +09 31 24.9 q 703
2015-10-31 05:40:06 C 00 27 15.49 +09 31 25.8 q 703
2015-10-31 21:07:04 C 00 26 48.05 +09 32 50.5 q 160
2015-10-31 21:09:17 C 00 26 47.94 +09 32 50.9 q 160
2015-10-31 21:11:32 C 00 26 47.87 +09 32 50.8 q 160
2015-11-01 20:29:30 C 00 26 09.82 +09 35 11.7 q 160
2015-11-01 20:31:51 C 00 26 09.75 +09 35 12.5 q 160
2015-11-01 20:33:57 C 00 26 09.69 +09 35 12.3 q 160
2015-11-02 04:24:40 C 00 25 57.75 +09 36 05.7 R G45
2015-11-02 04:33:09 C 00 25 57.46 +09 36 06.7 R G45
2015-11-02 04:37:40 C 00 25 57.28 +09 36 07.6 R G45
2015-11-02 04:48:29 C 00 25 56.96 +09 36 07.9 R G45
2015-11-02 04:55:13 C 00 25 56.76 +09 36 09.2 R G45
2015-11-02 18:35:03 C 00 25 37.98 +09 37 30.4 t 204
2015-11-02 18:50:17 C 00 25 37.54 +09 37 31.9 t 204
2015-11-02 19:04:53 C 00 25 37.12 +09 37 33.7 t 204
2015-11-02 21:16:42 C 00 25 33.26 +09 37 49.1 q 160
2015-11-02 21:18:50 C 00 25 33.20 +09 37 49.3 q 160
2015-11-02 21:20:53 C 00 25 33.13 +09 37 49.3 q 160
2015-11-07 07:53:06 C 00 23 48.77 +09 50 45.7 q U69
2015-11-07 08:03:42 C 00 23 48.65 +09 50 47.0 q U69
2015-11-07 08:19:57 C 00 23 48.40 +09 50 49.2 q U69
2015-11-07 08:30:33 C 00 23 48.27 +09 50 50.6 q U69
2015-11-08 04:25:20 C 00 23 39.40 +09 53 37.3 R G45
2015-11-08 04:25:33 C 00 23 39.39 +09 53 37.3 R G45
2015-11-08 04:32:00 C 00 23 39.31 +09 53 37.9 R G45
2015-11-08 04:40:26 C 00 23 39.18 +09 53 39.2 R G45
2015-11-08 04:47:36 C 00 23 39.10 +09 53 40.3 R G45