169P

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2010-01-16 (JD 2455212.5)
Eccentricity (e)0.7667938346 ± 1.58e-08
Semi-major axis (a)2.6060349684 AU ± 9.57e-09
Inclination (i)11.30020552° ± 7.33e-06
Long. of Asc. Node (Ω)176.18525528° ± 3.87e-05
Arg. of Perihelion (ω)217.96387172° ± 3.86e-05
Mean Anomaly (M)10.93979407° ± 1.87e-06
Mean Motion (n)0.2342791909°/day ± 1.29e-09
Perihelion dist (q)0.60774342 AU ± 4.11e-08
Aphelion dist (Q)4.60432652 AU ± 4.44e-08
Orbital Period4.20705859 yr ± 2.32e-08
Orbit Solution
SourceJPL
Solution Date2026-05-22 14:12:31
RMS Residual0.507″
Uncertainty0
Orbit TypeJupiter-family Comet
MOID0.142905 AU
Observations Used1348
Oppositions
Arc Total1989-2026
First Observation Used
Last Observation Used2026-05-22
Observations (1427)
Date Type RA Dec Mag Band Observatory
2009-05-31 09:19:26 C 17 23 15.29 -04 40 33.5 o 291
2009-05-31 09:24:48 C 17 23 14.99 -04 40 32.0 o 291
2009-05-31 09:30:18 C 17 23 14.67 -04 40 30.6 o 291
2009-06-12 22:46:34 C 17 04 51.63 -03 30 26.4 r 621
2009-06-12 23:02:19 C 17 04 50.59 -03 30 23.3 r 621
2009-06-12 23:18:06 C 17 04 49.58 -03 30 20.4 r 621
2009-06-13 23:13:05 C 17 03 14.77 -03 25 41.0 r 621
2009-06-13 23:22:57 C 17 03 14.10 -03 25 39.2 r 621
2009-06-13 23:32:48 C 17 03 13.44 -03 25 37.5 r 621
2009-06-16 08:37:45 C 16 59 24.37 -03 15 09.7 r H10
2009-06-16 08:42:52 C 16 59 24.02 -03 15 09.5 r H10
2009-06-16 08:47:59 C 16 59 23.68 -03 15 08.1 r H10
2009-06-19 08:00:23 C 16 54 34.34 -03 03 32.4 r 703
2009-06-19 08:08:34 C 16 54 33.80 -03 03 31.2 r 703
2009-06-19 08:27:36 C 16 54 32.43 -03 03 27.4 r 703
2009-06-24 06:56:17 C 16 46 28.67 -02 48 02.4 o 291
2009-06-24 07:26:54 C 16 46 26.53 -02 47 59.0 o 291
2009-06-24 08:03:39 C 16 46 24.08 -02 47 55.2 o 291
2009-06-24 22:01:09 C 16 45 27.54 -02 46 25.5 w J47
2009-06-24 22:05:45 C 16 45 27.27 -02 46 25.3 w J47
2009-06-24 22:09:27 C 16 45 27.05 -02 46 25.2 w J47
2009-07-08 22:43:57 C 16 23 57.95 -02 33 55.0 v 204
2009-07-10 21:42:36 C 16 21 17.61 -02 35 45.4 r J75
2009-07-10 22:00:21 C 16 21 16.59 -02 35 46.2 r J75
2009-07-10 22:18:02 C 16 21 15.59 -02 35 46.9 r J75
2009-07-11 06:50:21 C 16 20 46.82 -02 36 12.2 r 703
2009-07-11 06:57:21 C 16 20 46.57 -02 36 12.6 r 703
2009-07-11 07:04:47 C 16 20 46.10 -02 36 14.1 r 703
2009-07-11 07:10:47 C 16 20 45.70 -02 36 14.4 r 703
2009-07-13 06:16:40 C 16 18 12.80 -02 39 07.1 r H10
2009-07-13 06:21:47 C 16 18 12.65 -02 39 08.4 r H10
2009-07-13 06:26:53 C 16 18 12.17 -02 39 08.0 r H10
2009-07-15 20:31:26 C 16 15 01.48 -02 44 18.6 w 160
2009-07-15 20:36:25 C 16 15 01.25 -02 44 19.9 w 160
2009-07-15 20:40:26 C 16 15 01.04 -02 44 19.9 w 160
2009-07-20 21:46:31 C 16 09 27.02 -02 58 37.0 r 215
2009-07-20 21:48:03 C 16 09 26.96 -02 58 37.9 r 215
2009-07-26 21:51:55 C 16 04 02.46 -03 22 27.6 r A71
2009-08-04 22:05:24 C 15 58 33.33 -04 10 33.9 v 204
2009-08-05 20:32:45 C 15 58 10.21 -04 16 17.3 o A77
2009-08-15 20:55:03 C 15 56 12.08 -05 25 41.1 o A77
2009-08-15 21:04:00 C 15 56 12.09 -05 25 42.9 o A77
2009-08-15 21:12:56 C 15 56 12.03 -05 25 46.5 o A77
2009-08-15 21:17:14 C 15 56 12.08 -05 25 49.2 r 215
2009-08-19 21:14:36 C 15 56 30.36 -05 57 03.5 w 212
2009-08-23 20:36:46 C 15 57 24.83 -06 29 58.8 r 215
2009-09-16 02:35:59 C 16 14 05.35 -10 09 36.1 r G96
2009-09-16 02:44:01 C 16 14 05.71 -10 09 39.7 r G96
2009-09-16 02:52:09 C 16 14 06.07 -10 09 43.2 r G96
2009-09-16 03:00:17 C 16 14 06.43 -10 09 46.5 r G96