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
2015-10-19 20:50:00 C 00 40 12.03 +09 10 07.9 q 160
2015-10-19 20:52:20 C 00 40 11.88 +09 10 08.1 q 160
2015-10-19 21:19:35 C 00 40 10.06 +09 10 10.1 c A24
2015-10-20 20:50:58 C 00 38 42.95 +09 11 46.2 c A24
2015-10-20 20:52:00 C 00 38 42.88 +09 11 46.6 c A24
2015-10-21 00:48:23 C 00 38 28.61 +09 12 38.4 q Y00
2015-10-21 01:01:48 C 00 38 27.71 +09 12 40.0 q Y00
2015-10-21 01:14:53 C 00 38 26.79 +09 12 41.0 q Y00
2015-10-21 22:10:02 C 00 37 12.41 +09 13 31.2 c A24
2015-10-21 22:11:04 C 00 37 12.39 +09 13 31.4 c A24
2015-10-21 23:26:36 C 00 37 07.54 +09 13 36.3 c A24
2015-10-21 23:27:38 C 00 37 07.46 +09 13 36.4 c A24
2015-10-22 05:22:49 C 00 36 47.29 +09 14 03.6 u H21
2015-10-22 05:26:06 C 00 36 47.08 +09 14 03.7 u H21
2015-10-22 05:29:24 C 00 36 46.87 +09 14 03.9 u H21
2015-10-22 05:32:31 C 00 36 46.66 +09 14 04.1 u H21
2015-10-22 05:35:37 C 00 36 46.46 +09 14 04.5 u H21
2015-10-22 05:38:43 C 00 36 46.27 +09 14 04.5 u H21
2015-10-22 05:41:49 C 00 36 46.06 +09 14 04.7 u H21
2015-10-22 05:44:55 C 00 36 45.86 +09 14 04.8 u H21
2015-10-22 05:47:55 C 00 36 45.67 +09 14 05.1 u H21
2015-10-23 01:25:41 C 00 35 41.76 +09 15 26.4 u H21
2015-10-23 01:27:39 C 00 35 41.66 +09 15 26.6 u H21
2015-10-23 01:29:36 C 00 35 41.54 +09 15 26.7 u H21
2015-10-23 01:31:34 C 00 35 41.42 +09 15 27.0 u H21
2015-10-23 01:33:32 C 00 35 41.30 +09 15 27.1 u H21
2015-10-23 01:35:29 C 00 35 41.17 +09 15 27.3 u H21
2015-10-23 01:37:27 C 00 35 41.05 +09 15 27.5 u H21
2015-10-23 01:39:24 C 00 35 40.95 +09 15 27.8 u H21
2015-10-23 01:41:22 C 00 35 40.83 +09 15 27.8 u H21
2015-10-23 01:43:20 C 00 35 40.70 +09 15 28.0 u H21
2015-10-23 01:45:17 C 00 35 40.59 +09 15 28.2 u H21
2015-10-23 01:47:15 C 00 35 40.47 +09 15 28.1 u H21
2015-10-23 01:49:12 C 00 35 40.36 +09 15 28.4 u H21
2015-10-23 01:53:06 C 00 35 40.13 +09 15 29.0 u H21
2015-10-23 01:55:03 C 00 35 40.02 +09 15 29.0 u H21
2015-10-23 01:57:00 C 00 35 39.90 +09 15 29.1 u H21
2015-10-23 02:00:13 C 00 35 39.70 +09 15 29.4 u H21
2015-10-23 22:19:11 C 00 34 33.30 +09 16 55.8 q 160
2015-10-23 22:21:29 C 00 34 33.12 +09 16 56.0 q 160
2015-10-23 22:23:46 C 00 34 33.00 +09 16 55.2 q 160
2015-10-29 04:32:21 C 00 28 55.17 +09 26 53.7 u H21
2015-10-29 04:34:18 C 00 28 55.11 +09 26 53.7 u H21
2015-10-29 04:38:14 C 00 28 54.93 +09 26 54.1 u H21
2015-10-29 04:42:09 C 00 28 54.75 +09 26 54.5 u H21
2015-10-29 04:44:17 C 00 28 54.66 +09 26 54.7 u H21
2015-10-29 04:49:15 C 00 28 54.40 +09 26 54.9 u H21
2015-10-29 04:52:15 C 00 28 54.27 +09 26 54.9 u H21
2015-10-29 04:55:16 C 00 28 54.13 +09 26 55.2 u H21
2015-10-29 04:58:16 C 00 28 54.00 +09 26 55.3 u H21