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
2017-01-17 21:29:11 C 03 08 31.69 +14 45 26.9 q J22
2017-01-17 22:30:10 C 03 08 32.75 +14 45 30.2 q I81
2017-01-17 22:33:15 C 03 08 32.81 +14 45 30.5 q I81
2017-01-17 22:36:19 C 03 08 32.80 +14 45 31.8 q I81
2017-01-18 23:19:55 C 03 08 58.02 +14 47 04.6 q I81
2017-01-18 23:22:59 C 03 08 58.07 +14 47 04.6 q I81
2017-01-18 23:26:03 C 03 08 58.11 +14 47 04.2 q I81
2017-01-19 21:03:21 C 03 09 21.25 +14 48 31.3 q K02
2017-01-19 21:12:48 C 03 09 21.36 +14 48 31.4 q K02
2017-01-20 19:53:12 C 03 09 46.63 +14 50 06.8 q C23
2017-01-20 20:01:31 C 03 09 46.79 +14 50 07.2 q C23
2017-01-20 20:09:50 C 03 09 47.12 +14 50 07.5 q C23
2017-01-21 18:37:56 C 03 10 13.16 +14 51 47.4 Q I72
2017-01-21 19:26:55 C 03 10 14.12 +14 51 51.1 Q I72
2017-01-21 20:16:12 C 03 10 15.11 +14 51 54.9 q I81
2017-01-21 20:22:20 C 03 10 15.22 +14 51 55.7 q I81
2017-01-21 20:28:29 C 03 10 15.36 +14 51 56.3 q I81
2017-01-21 20:38:07 C 03 10 15.43 +14 51 57.0 Q I72
2017-01-22 13:09:07 C 03 10 35.28 +14 53 12.4 q Q11
2017-01-22 13:12:50 C 03 10 35.37 +14 53 12.8 q Q11
2017-01-22 23:33:51 C 03 10 48.29 +14 54 01.3 q 987
2017-01-22 23:36:02 C 03 10 48.27 +14 54 00.8 q 987
2017-01-23 00:13:31 C 03 10 49.01 +14 54 02.9 q 987
2017-01-23 13:32:02 C 03 11 05.72 +14 55 08.7 q Q11
2017-01-23 13:37:07 C 03 11 05.85 +14 55 08.9 q Q11
2017-01-23 18:49:47 C 03 11 12.65 +14 55 33.8 q 215
2017-01-23 18:51:38 C 03 11 12.75 +14 55 34.2 q 215
2017-01-23 18:53:28 C 03 11 12.80 +14 55 34.8 q 215
2017-01-23 21:19:00 C 03 11 15.90 +14 55 46.9 q I81
2017-01-23 21:26:10 C 03 11 16.08 +14 55 47.7 q I81
2017-01-23 21:32:19 C 03 11 16.31 +14 55 48.4 q I81
2017-01-24 21:54:44 C 03 11 48.23 +14 57 53.3 q J22
2017-01-24 22:01:57 C 03 11 48.28 +14 57 52.5 q J22
2017-01-24 22:09:10 C 03 11 48.44 +14 57 50.1 q J22
2017-01-25 05:22:09 C 03 11 58.20 +14 58 30.5 R G45
2017-01-25 05:29:12 C 03 11 58.36 +14 58 30.6 R G45
2017-01-25 05:36:04 C 03 11 58.49 +14 58 31.3 R G45
2017-01-25 05:50:12 C 03 11 58.82 +14 58 32.2 R G45
2017-01-25 05:57:12 C 03 11 58.97 +14 58 33.1 R G45
2017-01-25 06:04:06 C 03 11 59.10 +14 58 33.4 R G45
2017-01-25 12:41:40 C 03 12 08.09 +14 59 07.4 o Q11
2017-01-25 12:46:45 C 03 12 08.21 +14 59 07.8 o Q11
2017-01-27 18:58:58 C 03 13 25.51 +15 04 05.2 u J43
2017-01-27 19:11:23 C 03 13 25.86 +15 04 06.4 u J43
2017-01-27 19:23:56 C 03 13 26.17 +15 04 06.7 u J43
2017-01-27 19:36:18 C 03 13 26.42 +15 04 08.4 u J43
2017-01-29 20:08:37 C 03 14 40.42 +15 08 52.4 q I81
2017-01-29 20:14:45 C 03 14 40.59 +15 08 51.6 q I81
2017-01-29 20:18:51 C 03 14 40.69 +15 08 53.2 q I81
2017-02-01 02:13:46 C 03 16 08.25 +15 14 30.6 q 703