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
1997-12-25 15:24:33 C 08 24 58.58 +32 34 58.9 c 566
1997-12-25 15:38:51 C 08 24 57.73 +32 35 04.0 c 566
1997-12-25 15:52:30 C 08 24 56.90 +32 35 09.0 c 566
1998-01-23 07:39:59 07 25 20.60 +34 55 56.2 d 261
1998-01-23 08:24:59 07 25 16.49 +34 55 50.0 d 261
2001-08-10 06:53:21 C 21 31 28.38 -34 01 09.0 16.4 c 644
2001-08-10 07:08:30 C 21 31 27.20 -34 01 03.4 16.5 c 644
2001-08-10 07:23:39 C 21 31 26.02 -34 00 58.0 16.4 c 644
2001-08-21 04:58:59 C 21 16 05.01 -31 43 30.9 16.7 c 644
2001-08-21 05:15:25 C 21 16 03.99 -31 43 20.9 16.8 c 644
2001-08-21 05:31:53 C 21 16 02.98 -31 43 10.8 16.7 c 644
2001-08-21 06:14:25 C 21 16 00.36 -31 42 44.0 16.6 c 644
2001-08-21 06:29:45 C 21 15 59.41 -31 42 34.5 16.7 c 644
2001-08-21 06:45:06 C 21 15 58.45 -31 42 24.6 16.7 c 644
2001-08-27 04:20:01 C 21 10 02.52 -30 02 13.3 17.1 c 644
2001-08-27 04:35:52 C 21 10 01.82 -30 02 01.8 17.0 c 644
2001-08-27 04:51:41 C 21 10 01.12 -30 01 50.7 17.0 c 644
2001-09-10 04:40:08 C 21 05 17.61 -25 29 44.9 c 699
2001-09-10 04:55:55 C 21 05 17.52 -25 29 32.0 c 699
2001-09-10 05:11:43 C 21 05 17.49 -25 29 18.5 c 699
2001-09-10 05:27:33 C 21 05 17.40 -25 29 04.5 c 699
2001-09-11 04:48:19 C 21 05 27.17 -25 09 28.2 18.3 c 704
2001-09-11 05:10:04 C 21 05 27.12 -25 09 09.3 18.6 c 704
2001-09-11 05:31:33 C 21 05 27.09 -25 08 51.2 18.5 c 704
2001-09-11 05:53:02 C 21 05 27.05 -25 08 32.8 18.4 c 704
2001-09-11 06:14:30 C 21 05 27.06 -25 08 14.0 18.3 c 704
2001-09-19 02:50:27 C 21 08 55.05 -22 30 15.5 18.3 c 704
2001-09-19 03:10:32 C 21 08 55.48 -22 29 58.9 19.1 c 704
2001-09-19 03:31:38 C 21 08 55.86 -22 29 41.8 18.7 c 704
2001-09-19 03:53:33 C 21 08 56.29 -22 29 23.3 18.7 c 704
2001-09-19 04:13:53 C 21 08 56.63 -22 29 06.8 18.9 c 704
2001-09-21 02:42:55 C 21 10 21.57 -21 50 31.2 18.3 c 704
2001-09-21 03:23:30 C 21 10 22.53 -21 49 59.0 18.8 c 704
2001-09-21 03:43:43 C 21 10 23.04 -21 49 42.7 18.9 c 704
2001-09-24 09:15:17 C 21 13 08.85 -20 45 45.0 18.8 c 608
2001-09-24 09:30:00 C 21 13 09.31 -20 45 32.7 19.1 c 608
2001-09-24 09:45:19 C 21 13 09.81 -20 45 19.8 19.3 c 608
2001-09-25 02:33:38 C 21 13 51.76 -20 31 44.2 d 649
2001-09-25 02:42:03 C 21 13 52.02 -20 31 37.5 d 649
2001-09-25 02:52:44 C 21 13 52.41 -20 31 28.8 d 649
2001-09-25 02:56:29 C 21 13 53.23 -20 31 23.5 18.8 i 644
2001-09-25 03:29:06 C 21 13 54.33 -20 30 57.1 18.6 i 644
2001-09-25 04:00:22 C 21 13 55.34 -20 30 31.9 18.5 i 644
2001-10-01 04:55:29 C 21 20 37.31 -18 33 30.3 c 649
2001-10-01 05:08:21 C 21 20 37.87 -18 33 19.7 c 649
2001-10-01 05:46:12 C 21 20 39.65 -18 32 47.9 c 649
2001-10-03 04:14:51 C 21 23 08.75 -17 55 52.7 19.3 c 644
2001-10-03 04:45:36 C 21 23 10.21 -17 55 28.6 19.0 c 644
2001-10-03 05:16:24 C 21 23 11.67 -17 55 04.2 19.0 c 644
2001-10-13 02:11:48 C 21 37 43.36 -14 50 46.6 18.7 c 704