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
2015-10-07 01:19:38 C 01 03 07.05 +08 43 20.5 17.1 u J43
2015-10-08 03:34:02 C 01 01 01.31 +08 46 20.2 q W19
2015-10-08 03:42:01 C 01 01 00.61 +08 46 21.3 q W19
2015-10-08 03:50:02 C 01 00 59.90 +08 46 22.4 q W19
2015-10-08 03:58:37 C 01 00 59.12 +08 46 22.8 q W19
2015-10-08 04:06:39 C 01 00 58.46 +08 46 23.8 q W19
2015-10-08 04:15:04 C 01 00 57.70 +08 46 25.5 q W19
2015-10-08 04:23:01 C 01 00 57.02 +08 46 25.8 q W19
2015-10-08 04:31:03 C 01 00 56.33 +08 46 26.7 q W19
2015-10-08 08:39:46 C 01 00 34.97 +08 47 00.6 q 703
2015-10-08 08:46:58 C 01 00 34.33 +08 47 01.3 q 703
2015-10-08 08:54:10 C 01 00 33.70 +08 47 02.3 q 703
2015-10-08 09:01:23 C 01 00 33.05 +08 47 02.7 q 703
2015-10-10 06:07:43 C 00 56 57.60 +08 51 50.1 R G45
2015-10-10 06:16:10 C 00 56 56.88 +08 51 51.7 R G45
2015-10-10 06:21:18 C 00 56 56.41 +08 51 51.5 R G45
2015-10-10 06:30:34 C 00 56 55.63 +08 51 52.8 R G45
2015-10-10 06:37:54 C 00 56 54.95 +08 51 53.7 R G45
2015-10-11 06:17:32 C 00 55 02.93 +08 54 11.4 R G45
2015-10-11 06:22:58 C 00 55 02.41 +08 54 12.4 R G45
2015-10-11 06:31:36 C 00 55 01.67 +08 54 13.2 R G45
2015-10-11 06:38:50 C 00 55 01.00 +08 54 13.5 R G45
2015-10-12 07:40:03 C 00 53 05.133 +08 56 37.51 L F51
2015-10-12 07:55:49 C 00 53 03.773 +08 56 39.15 L F51
2015-10-12 08:11:36 C 00 53 02.409 +08 56 40.73 L F51
2015-10-12 08:27:18 C 00 53 01.056 +08 56 42.18 L F51
2015-10-12 20:03:02 C 00 52 07.98 +08 57 30.8 S K14
2015-10-12 20:18:36 C 00 52 06.69 +08 57 32.1 S K14
2015-10-12 20:39:29 C 00 52 04.98 +08 57 34.4 S K14
2015-10-13 07:37:10 C 00 51 14.753 +08 58 41.62 L F51
2015-10-13 07:56:47 C 00 51 13.089 +08 58 43.52 L F51
2015-10-13 08:12:48 C 00 51 11.739 +08 58 44.77 L F51
2015-10-14 13:39:37 C 00 48 58.32 +09 01 01.1 o 300
2015-10-14 13:42:55 C 00 48 58.05 +09 01 01.1 o 300
2015-10-14 13:46:14 C 00 48 57.83 +09 01 01.6 o 300
2015-10-14 13:49:33 C 00 48 57.56 +09 01 01.6 o 300
2015-10-14 13:52:51 C 00 48 57.29 +09 01 01.9 o 300
2015-10-14 13:56:09 C 00 48 56.97 +09 01 03.1 o 300
2015-10-19 05:59:42 C 00 41 07.89 +09 09 11.2 q H45
2015-10-19 06:01:16 C 00 41 07.78 +09 09 11.2 q H45
2015-10-19 06:03:41 C 00 41 07.60 +09 09 11.4 q H45
2015-10-19 06:05:38 C 00 41 07.47 +09 09 11.5 q H45
2015-10-19 06:07:22 C 00 41 07.33 +09 09 11.6 q H45
2015-10-19 06:09:05 C 00 41 07.20 +09 09 11.6 q H45
2015-10-19 16:30:14 C 00 40 27.21 +09 09 56.2 q D29
2015-10-19 16:50:33 C 00 40 25.76 +09 09 57.5 q D29
2015-10-19 17:10:52 C 00 40 24.31 +09 09 58.6 q D29
2015-10-19 20:14:48 C 00 40 14.54 +09 10 04.8 c A24
2015-10-19 20:15:50 C 00 40 14.45 +09 10 05.0 c A24
2015-10-19 20:47:42 C 00 40 12.20 +09 10 07.6 q 160