Urata-Niijima (112P)

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2012-04-17 (JD 2456034.5)
Eccentricity (e)0.5880211414 ± 9.89e-08
Semi-major axis (a)3.5339483496 AU ± 5.47e-08
Inclination (i)24.20345481° ± 1.75e-05
Long. of Asc. Node (Ω)31.93329884° ± 2.59e-05
Arg. of Perihelion (ω)21.41301117° ± 6.82e-05
Mean Anomaly (M)295.71670978° ± 1.72e-05
Mean Motion (n)0.1483589590°/day ± 3.45e-09
Perihelion dist (q)1.45591201 AU ± 3.50e-07
Aphelion dist (Q)5.61198469 AU ± 3.60e-07
Orbital Period6.64352386 yr ± 1.54e-07
Physical Parameters
Diameter1.800 km
Orbit Solution
SourceJPL
Solution Date2026-08-13 14:30:47
RMS Residual0.684″
Uncertainty0
Orbit TypeJupiter-family Comet
MOID0.481363 AU
Observations Used522
Oppositions—
Arc Total2006-2026
First Observation Used—
Last Observation Used2026-08-13
Observations (640)
Date Type RA Dec Mag Band Observatory
1986-10-04 09:20:00 A 02 37 24.62 +01 25 30.6 – – 675
1986-10-04 10:30:00 A 02 37 22.68 +01 26 55.4 – – 675
1986-10-29 22:24:08 A 02 04 23.26 +18 36 40.8 – – 054
1986-10-30 13:53:55 A 02 03 12.53 +19 06 42.2 – – 887
1986-10-30 14:28:54 A 02 03 09.71 +19 07 51.3 – – 887
1986-10-30 14:50:59 A 02 03 07.73 +19 08 36.4 – – 887
1986-11-02 13:02:29 A 01 57 43.87 +21 23 41.6 – – 881
1986-11-02 13:36:29 A 01 57 41.19 +21 24 48.9 – – 881
1986-11-03 15:55:29 A 01 55 38.02 +22 15 07.0 – – 372
1986-11-03 16:11:29 A 01 55 36.68 +22 15 39.3 – – 372
1986-11-04 00:40:59 A 01 54 56.60 +22 31 34.8 – – 561
1986-11-04 00:58:59 A 01 54 55.04 +22 32 11.0 – – 561
1986-11-04 11:19:20 A 01 54 08.53 +22 51 55.6 – – 373
1986-11-04 11:40:50 A 01 54 06.78 +22 52 36.1 – – 373
1986-11-04 14:23:22 A 01 53 53.09 +22 58 02.1 – – 413
1986-11-04 14:31:03 A 01 53 52.30 +22 58 17.2 – – 413
1986-11-04 14:37:58 A 01 53 51.75 +22 58 30.6 – – 413
1986-11-04 15:36:00 A 01 53 47.07 +23 00 07.9 – – 372
1986-11-04 16:48:59 A 01 53 41.48 +23 02 21.1 – – 372
1986-11-05 12:21:19 A 01 52 11.21 +23 39 25.0 – – 413
1986-11-05 12:29:06 A 01 52 10.58 +23 39 39.4 – – 413
1986-11-05 13:13:29 A 01 52 07.05 +23 40 45.7 – – 881
1986-11-05 21:02:00 A 01 51 31.33 +23 55 19.5 – – 010
1986-11-05 21:31:59 A 01 51 29.26 +23 56 12.5 – – 010
1986-11-06 04:58:37 A 01 50 54.25 +24 10 12.4 – – 688
1986-11-06 06:27:10 A 01 50 47.21 +24 12 54.9 – – 688
1986-11-06 07:14:06 A 01 50 43.21 +24 14 15.8 – – 657
1986-11-06 07:58:35 A 01 50 39.63 +24 15 43.1 – – 657
1986-11-06 12:47:59 A 01 50 17.80 +24 24 44.3 – – 399
1986-11-06 14:46:00 A 01 50 08.12 +24 28 22.9 – – 391
1986-11-06 15:09:59 A 01 50 06.37 +24 28 59.8 – – 391
1986-11-06 16:00:59 A 01 50 02.58 +24 31 00.5 – – 323
1986-11-07 05:12:04 A 01 49 02.23 +24 55 08.4 – – 691
1986-11-07 05:17:14 A 01 49 01.73 +24 55 19.0 – – 691
1986-11-07 05:50:11 A 01 48 59.12 +24 56 19.2 – – 691
1986-11-07 05:54:43 A 01 48 58.77 +24 56 27.2 – – 691
1986-11-07 14:28:59 A 01 48 19.16 +25 12 12.5 – – 372
1986-11-08 14:15:00 A 01 46 30.30 +25 55 35.8 – – 391
1986-11-08 14:19:59 A 01 46 30.23 +25 55 41.1 – – 391
1986-11-08 21:35:17 A 01 45 56.83 +26 08 51.4 – – 561
1986-11-10 00:07:30 A 01 43 57.57 +26 56 23.9 – – 561
1986-11-11 16:59:32 A 01 40 57.17 +28 08 12.9 – – 892
1986-11-11 17:23:29 A 01 40 55.37 +28 08 52.0 – – 892
1986-11-21 10:51:44 A 01 26 08.27 +34 17 28.5 – – 373
1986-11-25 10:14:00 A 01 21 39.34 +36 25 59.0 – – 372
1986-11-25 10:45:59 A 01 21 37.59 +36 26 41.5 – – 372
1986-11-26 12:02:07 A 01 20 36.80 +36 58 39.3 – – 887
1986-11-26 12:11:00 A 01 20 36.54 +36 58 51.0 – – 887
1986-11-26 12:56:30 A 01 20 34.58 +36 59 45.9 – – 881
1986-11-26 13:40:29 A 01 20 32.78 +37 00 40.8 – – 881