128P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2016-02-17 (JD 2457435.5)
Eccentricity (e)0.3214554998 ± 8.22e-08
Semi-major axis (a)4.5033596168 AU ± 3.38e-08
Inclination (i)4.36391215° ± 1.02e-05
Long. of Asc. Node (Ω)214.29384887° ± 8.48e-05
Arg. of Perihelion (ω)210.57891677° ± 9.84e-05
Mean Anomaly (M)326.09282825° ± 2.60e-05
Mean Motion (n)0.1031352991°/day ± 1.16e-09
Perihelion dist (q)3.05572990 AU ± 3.71e-07
Aphelion dist (Q)5.95098933 AU ± 3.73e-07
Orbital Period9.55663378 yr ± 1.08e-07
NGA Modelg(r)
A2-3.00005824e-09 ± 9.82e-11 AU/d²
Orbit Solution
SourceIAA
Solution Date2026-05-30
RMS Residual0.769″
Uncertainty0
Orbit TypeMBA
MOID2.068882 AU
Observations Used1083
Oppositions34
Arc Total1987-2025
First Observation Used1987-09-24
Last Observation Used2025-12-25
Observations (1161)
Date Type RA Dec Mag Band Observatory
2007-12-04 08:36:26 C 07 30 06.48 +16 25 48.9 w 699
2007-12-04 09:06:40 C 07 30 06.22 +16 25 47.7 c 704
2007-12-04 09:13:20 C 07 30 05.97 +16 25 47.3 w 699
2007-12-04 09:25:19 C 07 30 05.91 +16 25 46.6 c 704
2007-12-04 09:43:49 C 07 30 05.65 +16 25 45.8 c 704
2007-12-04 09:50:12 C 07 30 05.49 +16 25 46.0 w 699
2007-12-04 10:02:17 C 07 30 05.31 +16 25 44.7 c 704
2007-12-04 10:20:47 C 07 30 04.96 +16 25 44.3 c 704
2007-12-04 10:27:04 C 07 30 04.80 +16 25 45.0 w 699
2007-12-06 09:56:34 C 07 29 22.60 +16 24 05.8 o 691
2007-12-06 10:21:58 C 07 29 22.15 +16 24 04.3 o 691
2007-12-06 10:47:22 C 07 29 21.88 +16 24 03.3 o 691
2007-12-09 01:57:21 C 07 28 18.34 +16 22 16.1 o J70
2007-12-09 01:57:50 C 07 28 18.09 +16 22 18.0 o J70
2007-12-09 01:59:16 C 07 28 18.29 +16 22 14.7 o J70
2007-12-16 16:46:03 C 07 24 32.11 +16 19 34.5 o 900
2007-12-16 16:52:25 C 07 24 31.61 +16 19 34.5 o 900
2007-12-21 02:06:39 C 07 21 57.22 +16 19 35.9 o 204
2007-12-21 04:17:17 C 07 21 53.76 +16 19 36.3 o 204
2007-12-27 20:35:48 C 07 17 32.21 +16 21 43.9 r 235
2007-12-30 09:20:45 C 07 15 46.92 +16 23 09.9 c 704
2007-12-30 09:39:24 C 07 15 46.39 +16 23 10.8 c 704
2007-12-30 09:58:04 C 07 15 45.72 +16 23 11.6 c 704
2007-12-30 10:16:45 C 07 15 45.18 +16 23 12.1 c 704
2007-12-30 10:35:43 C 07 15 44.53 +16 23 12.1 c 704
2007-12-31 00:12:34 C 07 15 20.94 +16 23 32.9 c J76
2008-01-02 07:08:38 C 07 13 43.43 +16 25 08.6 o H47
2008-01-02 07:40:22 C 07 13 42.50 +16 25 09.9 o H47
2008-01-02 21:53:33 C 07 13 17.09 +16 25 35.4 r B42
2008-01-03 07:06:01 C 07 13 00.71 +16 25 54.4 o H47
2008-01-03 07:23:59 C 07 13 00.13 +16 25 55.4 o H47
2008-01-05 01:17:34 C 07 11 44.82 +16 27 18.9 r 585
2008-01-05 01:19:26 C 07 11 44.74 +16 27 19.0 r 585
2008-01-05 01:29:04 C 07 11 44.57 +16 27 19.8 r 585
2008-01-05 01:35:11 C 07 11 44.26 +16 27 20.3 r 585
2008-01-05 01:41:17 C 07 11 44.13 +16 27 20.8 r 585
2008-01-05 01:47:23 C 07 11 43.97 +16 27 21.0 r 585
2008-01-05 17:10:07 C 07 11 16.28 +16 27 55.7 m 349
2008-01-05 17:20:31 C 07 11 15.95 +16 27 55.9 m 349
2008-01-05 17:30:56 C 07 11 15.63 +16 27 56.4 m 349
2008-01-06 07:20:14 C 07 10 50.80 +16 28 28.4 o H47
2008-01-06 07:35:19 C 07 10 50.35 +16 28 28.8 o H47
2008-01-12 22:47:37 C 07 06 06.60 +16 35 14.9 c J76
2008-01-12 22:53:43 C 07 06 06.42 +16 35 15.2 c J76
2008-01-12 22:59:47 C 07 06 06.23 +16 35 15.7 c J76
2008-01-25 19:38:58 C 06 57 49.30 +16 51 31.7 r 235
2008-01-25 21:49:01 C 06 57 46.28 +16 51 40.6 c J51
2008-01-25 22:12:42 C 06 57 45.69 +16 51 41.9 c J51
2008-01-25 22:31:31 C 06 57 45.23 +16 51 43.0 c J51
2008-01-25 22:59:40 C 06 57 44.48 +16 51 45.1 c J47