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
2008-09-28 04:01:56 C 23 06 01.31 -08 17 21.2 17.2 c 704
2008-09-28 04:37:33 C 23 05 59.34 -08 17 06.1 17.7 c 704
2008-09-28 04:55:22 C 23 05 58.41 -08 16 58.4 17.5 c 704
2008-09-28 05:13:11 C 23 05 57.47 -08 16 51.1 17.5 c 704
2008-09-29 04:18:10 C 23 04 57.87 -08 06 50.3 o 693
2008-09-29 04:37:05 C 23 04 56.91 -08 06 42.2 o 693
2008-09-29 04:50:20 C 23 04 56.24 -08 06 36.4 o 693
2008-09-29 06:47:46 C 23 04 50.23 -08 05 45.3 r 703
2008-09-29 06:59:06 C 23 04 49.65 -08 05 40.2 r 703
2008-09-29 07:10:26 C 23 04 49.08 -08 05 35.5 r 703
2008-09-29 07:21:46 C 23 04 48.50 -08 05 30.3 r 703
2008-09-30 21:56:23 C 23 03 17.39 -07 48 40.7 16.9 r 084
2008-10-04 00:11:31 C 23 00 50.80 -07 14 59.1 i 071
2008-10-04 00:15:03 C 23 00 50.78 -07 14 57.8 i 071
2008-10-04 00:18:45 C 23 00 50.41 -07 14 54.4 i 071
2008-10-05 19:50:34 C 22 59 45.67 -06 54 54.2 18.1 o 084
2008-10-05 19:55:49 C 22 59 45.47 -06 54 51.8 18.0 o 084
2008-10-06 19:10:49 C 22 59 15.99 -06 43 58.1 17.8 r 084
2008-10-06 19:16:03 C 22 59 15.91 -06 43 56.5 18.2 r 084
2008-10-06 21:01:03 C 22 59 13.72 -06 43 02.3 r 130
2008-10-06 21:03:14 C 22 59 13.66 -06 43 01.4 r 130
2008-10-06 21:04:40 C 22 59 13.59 -06 43 00.5 r 130
2008-10-06 21:07:34 C 22 59 13.58 -06 42 59.1 r 130
2008-10-07 19:01:18 C 22 58 49.66 -06 32 43.7 17.5 o 084
2008-10-07 22:17:30 C 22 58 45.45 -06 31 11.1 18.4 r 084
2008-10-09 02:55:30 C 22 58 21.68 -06 17 21.8 r 703
2008-10-09 03:16:31 C 22 58 21.21 -06 17 12.4 r 703
2008-10-09 03:26:58 C 22 58 21.00 -06 17 07.2 r 703
2008-10-19 03:08:17 C 22 58 28.69 -04 19 41.8 r H53
2008-10-19 03:11:12 C 22 58 28.71 -04 19 39.9 r H53
2008-10-19 03:13:12 C 22 58 28.63 -04 19 39.6 r H53
2008-10-23 04:33:07 C 23 00 15.02 -03 30 36.5 18.9 c 704
2008-10-23 04:49:44 C 23 00 15.29 -03 30 28.0 19.6 c 704
2008-10-23 05:06:23 C 23 00 15.50 -03 30 19.7 19.4 c 704
2008-10-23 05:22:55 C 23 00 15.78 -03 30 11.4 19.0 c 704
2008-10-23 05:39:23 C 23 00 16.06 -03 30 03.0 19.5 c 704
2008-10-24 03:46:03 C 23 00 48.74 -03 18 48.8 r G96
2008-10-24 03:57:28 C 23 00 48.96 -03 18 43.0 r G96
2008-10-24 04:08:42 C 23 00 49.14 -03 18 37.3 r G96
2008-10-24 04:20:13 C 23 00 49.35 -03 18 31.4 r G96
2008-10-30 03:55:48 C 23 05 19.96 -02 04 34.3 r 703
2008-10-30 04:06:18 C 23 05 20.32 -02 04 29.2 r 703
2008-10-30 04:16:40 C 23 05 20.65 -02 04 23.3 r 703
2008-10-30 04:27:03 C 23 05 20.94 -02 04 17.9 r 703
2008-10-30 05:13:27 C 23 05 22.356 -02 03 53.57 645
2008-10-30 05:14:03 C 23 05 22.354 -02 03 53.63 645
2008-10-30 05:14:39 C 23 05 22.387 -02 03 52.94 645
2008-10-30 05:15:15 C 23 05 22.389 -02 03 52.93 645
2008-10-30 05:17:02 C 23 05 22.465 -02 03 51.65 645
2008-10-30 05:17:38 C 23 05 22.471 -02 03 51.65 645