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
2012-02-23 00:57:23 C 09 45 26.54 +23 00 07.6 c A24
2012-02-23 00:58:26 C 09 45 26.41 +23 00 07.1 c A24
2012-02-25 00:37:52 C 09 41 21.15 +23 00 21.7 c A24
2012-02-25 00:38:54 C 09 41 21.06 +23 00 21.7 c A24
2012-02-25 01:32:03 C 09 41 16.29 +23 00 19.7 c A24
2012-02-25 01:33:05 C 09 41 16.21 +23 00 19.8 c A24
2012-02-25 06:42:30 C 09 40 51.07 +23 00 22.3 18.1 c 704
2012-02-25 06:59:55 C 09 40 49.43 +23 00 20.7 18.5 c 704
2012-02-25 07:17:10 C 09 40 47.88 +23 00 20.1 18.3 c 704
2012-02-25 07:34:25 C 09 40 46.31 +23 00 19.7 18.3 c 704
2012-02-25 07:52:00 C 09 40 44.70 +23 00 19.1 18.2 c 704
2012-02-26 22:12:43 C 09 37 35.83 +22 58 43.8 c A24
2012-02-26 22:13:45 C 09 37 35.76 +22 58 43.8 c A24
2012-02-26 23:37:53 C 09 37 28.45 +22 58 38.4 c A24
2012-02-26 23:38:56 C 09 37 28.36 +22 58 38.7 c A24
2012-02-27 02:34:08 C 09 37 16.02 +22 58 29.7 o 691
2012-02-27 02:54:12 C 09 37 14.33 +22 58 29.3 o 691
2012-02-27 03:29:29 C 09 37 11.32 +22 58 28.3 o 691
2012-02-29 05:01:42 C 09 33 18.18 +22 54 25.6 r 703
2012-02-29 05:10:33 C 09 33 17.46 +22 54 24.9 r 703
2012-02-29 05:19:31 C 09 33 16.70 +22 54 24.4 r 703
2012-02-29 05:28:25 C 09 33 16.02 +22 54 23.0 r 703
2012-03-01 04:49:45 C 09 31 31.08 +22 51 43.3 u H45
2012-03-01 04:51:25 C 09 31 31.03 +22 51 43.1 u H45
2012-03-01 04:54:25 C 09 31 30.74 +22 51 42.8 u H45
2012-03-01 04:55:37 C 09 31 30.63 +22 51 42.8 u H45
2012-03-01 04:59:15 C 09 31 30.34 +22 51 42.3 u H45
2012-03-11 01:05:47 C 09 17 31.14 +22 01 40.9 u I17
2012-03-11 01:40:45 C 09 17 29.42 +22 01 31.3 u I17
2012-03-11 02:22:29 C 09 17 27.33 +22 01 20.6 u I17
2012-03-13 03:44:11 C 09 15 27.79 +21 46 23.8 r 703
2012-03-13 03:59:01 C 09 15 27.18 +21 46 19.1 r 703
2012-03-13 04:06:23 C 09 15 26.82 +21 46 17.1 r 703
2012-03-13 04:13:46 C 09 15 26.53 +21 46 14.6 r 703
2012-03-13 22:48:14 C 09 14 45.72 +21 40 09.6 c A24
2012-03-13 22:50:19 C 09 14 45.65 +21 40 09.1 c A24
2012-03-13 23:11:49 C 09 14 44.81 +21 40 01.6 c A24
2012-03-13 23:33:49 C 09 14 44.01 +21 39 53.3 c A24
2012-03-13 23:55:18 C 09 14 43.19 +21 39 45.4 c A24
2012-03-14 22:24:26 C 09 13 59.23 +21 32 17.7 c A24
2012-03-14 22:26:30 C 09 13 59.21 +21 32 16.8 c A24
2012-03-14 22:27:33 C 09 13 59.13 +21 32 16.7 c A24
2012-03-14 23:31:31 C 09 13 56.93 +21 31 54.4 c A24
2012-03-14 23:32:33 C 09 13 56.82 +21 31 53.9 c A24
2012-03-14 23:34:37 C 09 13 56.77 +21 31 52.8 c A24
2012-03-15 05:19:35 C 09 13 46.65 +21 30 02.0 19.6 c 704
2012-03-15 05:35:31 C 09 13 46.10 +21 29 56.3 19.9 c 704
2012-03-15 05:51:33 C 09 13 45.54 +21 29 50.1 19.6 c 704
2012-03-15 06:07:30 C 09 13 44.97 +21 29 44.4 20.0 c 704
2012-03-15 06:23:28 C 09 13 44.34 +21 29 39.8 19.8 c 704