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
2016-11-11 21:27:35 C 03 25 52.52 +16 41 33.2 c B96
2016-11-11 21:30:57 C 03 25 52.48 +16 41 33.8 c B96
2016-11-16 01:05:16 C 03 23 08.06 +16 25 39.0 q 160
2016-11-16 01:08:41 C 03 23 07.95 +16 25 38.0 q 160
2016-11-16 01:12:05 C 03 23 07.81 +16 25 36.2 q 160
2016-11-17 23:33:14 C 03 21 51.53 +16 18 12.5 q I81
2016-11-17 23:39:23 C 03 21 51.31 +16 18 12.1 q I81
2016-11-17 23:43:28 C 03 21 51.21 +16 18 11.1 q I81
2016-11-18 10:36:26 C 03 21 33.12 +16 16 30.0 o 691
2016-11-18 10:46:23 C 03 21 32.82 +16 16 28.1 o 691
2016-11-18 10:56:15 C 03 21 32.59 +16 16 26.4 o 691
2016-11-19 23:24:09 C 03 20 33.32 +16 10 42.2 q G40
2016-11-19 23:33:06 C 03 20 33.07 +16 10 41.1 q G40
2016-11-19 23:45:30 C 03 20 32.71 +16 10 39.3 q G40
2016-11-21 01:18:27 C 03 19 51.08 +16 06 38.0 q I81
2016-11-21 01:24:35 C 03 19 50.93 +16 06 36.7 q I81
2016-11-21 01:28:41 C 03 19 50.82 +16 06 37.7 q I81
2016-11-21 21:40:20 C 03 19 18.44 +16 03 29.3 q 958
2016-11-21 22:10:35 C 03 19 17.62 +16 03 24.8 q 958
2016-11-24 00:20:52 C 03 17 57.82 +15 55 46.6 q J22
2016-11-24 00:24:46 C 03 17 57.72 +15 55 46.0 q J22
2016-11-24 00:36:24 C 03 17 57.40 +15 55 44.0 q J22
2016-11-25 02:15:52 C 03 17 17.15 +15 51 51.8 q I81
2016-11-25 02:22:00 C 03 17 17.01 +15 51 50.4 q I81
2016-11-25 02:26:06 C 03 17 16.88 +15 51 49.7 q I81
2016-11-25 21:27:46 C 03 16 47.75 +15 49 01.4 U 958
2016-11-25 21:39:27 C 03 16 47.48 +15 48 59.6 U 958
2016-11-25 21:51:07 C 03 16 47.16 +15 48 57.7 U 958
2016-11-25 21:51:35 C 03 16 47.16 +15 48 57.9 Q J38
2016-11-25 21:56:11 C 03 16 47.02 +15 48 57.2 Q J38
2016-11-25 22:05:20 C 03 16 46.79 +15 48 56.0 Q J38
2016-11-26 22:14:04 C 03 16 09.98 +15 45 22.8 q I81
2016-11-26 22:51:12 C 03 16 09.02 +15 45 17.4 q I81
2016-11-26 23:01:26 C 03 16 08.71 +15 45 15.8 q I81
2016-11-27 04:51:23 C 03 16 00.04 +15 44 25.5 t 750
2016-11-27 05:18:30 C 03 15 59.28 +15 44 22.5 t 750
2016-11-27 21:32:11 C 03 15 35.08 +15 42 02.4 U 958
2016-11-27 21:43:50 C 03 15 34.83 +15 41 59.9 U 958
2016-11-27 21:55:30 C 03 15 34.49 +15 41 58.2 U 958
2016-11-27 23:10:48 C 03 15 32.51 +15 41 48.3 q A71
2016-11-27 23:26:20 C 03 15 32.13 +15 41 45.6 q A71
2016-11-27 23:39:17 C 03 15 31.80 +15 41 43.9 q A71
2016-11-27 23:49:38 C 03 15 31.51 +15 41 42.5 q A71
2016-11-28 01:26:23 C 03 15 29.11 +15 41 27.7 q I81
2016-11-28 01:32:32 C 03 15 28.94 +15 41 27.0 q I81
2016-11-28 01:36:37 C 03 15 28.86 +15 41 26.6 q I81
2016-11-28 12:49:11 C 03 15 12.49 +15 39 53.3 q Q21
2016-11-28 13:01:48 C 03 15 12.10 +15 39 51.0 q Q21
2016-11-28 13:14:26 C 03 15 11.82 +15 39 48.5 q Q21
2016-11-28 23:33:58 C 03 14 56.64 +15 38 20.6 q K02