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
2016-12-19 22:31:27 C 03 06 04.47 +14 45 12.4 q J22
2016-12-20 00:12:07 C 03 06 03.30 +14 45 04.5 q C23
2016-12-20 00:20:26 C 03 06 03.18 +14 45 03.9 q C23
2016-12-20 00:26:40 C 03 06 03.16 +14 45 03.6 q C23
2016-12-21 20:57:04 C 03 05 40.02 +14 42 24.9 q A77
2016-12-21 21:55:46 C 03 05 39.48 +14 42 21.3 q A77
2016-12-22 21:15:35 C 03 05 29.13 +14 41 06.0 q K02
2016-12-22 21:26:11 C 03 05 28.99 +14 41 05.7 q K02
2016-12-26 20:34:03 C 03 04 59.25 +14 37 05.4 q 987
2016-12-26 21:07:04 C 03 04 59.16 +14 37 04.2 q 987
2016-12-26 21:10:35 C 03 04 59.16 +14 37 05.1 q C23
2016-12-26 21:14:44 C 03 04 59.06 +14 37 05.9 q C23
2016-12-26 21:21:36 C 03 04 59.25 +14 37 04.7 q J22
2016-12-26 21:23:04 C 03 04 59.08 +14 37 05.3 q C23
2016-12-26 21:28:49 C 03 04 59.05 +14 37 05.0 q J22
2016-12-26 21:40:39 C 03 04 58.96 +14 37 05.0 w 212
2016-12-26 21:46:52 C 03 04 58.96 +14 37 04.3 w 212
2016-12-26 21:53:03 C 03 04 58.94 +14 37 04.1 w 212
2016-12-26 22:04:35 C 03 04 58.90 +14 37 02.8 q 987
2016-12-26 22:30:23 C 03 04 58.75 +14 37 01.9 q K02
2016-12-26 22:41:43 C 03 04 58.73 +14 37 00.8 q K02
2016-12-27 22:45:55 C 03 04 54.76 +14 36 19.8 q I81
2016-12-27 22:52:03 C 03 04 54.63 +14 36 18.5 q I81
2016-12-27 22:56:09 C 03 04 54.61 +14 36 18.4 q I81
2016-12-29 19:04:36 C 03 04 50.64 +14 35 15.6 q C10
2016-12-29 20:04:39 C 03 04 50.52 +14 35 14.0 q C10
2016-12-30 20:20:51 C 03 04 50.26 +14 34 50.4 w J01
2016-12-30 20:51:48 C 03 04 50.20 +14 34 49.2 w J01
2016-12-30 23:38:44 C 03 04 50.27 +14 34 47.0 Q C35
2016-12-30 23:47:24 C 03 04 50.21 +14 34 46.3 Q C35
2016-12-30 23:56:07 C 03 04 50.02 +14 34 43.6 Q C35
2016-12-31 22:01:12 C 03 04 51.38 +14 34 29.4 q I81
2016-12-31 22:07:20 C 03 04 51.40 +14 34 29.5 q I81
2017-01-01 11:25:14 C 03 04 52.54 +14 34 22.6 q Q21
2017-01-01 11:33:07 C 03 04 52.64 +14 34 24.4 q Q21
2017-01-01 20:01:23 C 03 04 53.63 +14 34 19.3 S C47
2017-01-01 20:25:01 C 03 04 53.64 +14 34 19.2 S C47
2017-01-03 12:59:09 C 03 05 00.65 +14 34 14.8 q Q11
2017-01-03 13:02:42 C 03 05 00.63 +14 34 14.6 q Q11
2017-01-03 13:06:16 C 03 05 00.64 +14 34 14.7 q Q11
2017-01-04 18:52:44 C 03 05 08.46 +14 34 23.6 q Z48
2017-01-04 19:03:14 C 03 05 08.56 +14 34 23.8 q Z48
2017-01-04 19:12:46 C 03 05 08.56 +14 34 24.0 q Z48
2017-01-15 19:46:43 C 03 07 45.18 +14 42 35.7 w J01
2017-01-15 20:07:28 C 03 07 45.48 +14 42 37.5 w J01
2017-01-15 20:17:55 C 03 07 45.57 +14 42 38.4 w J01
2017-01-17 20:29:12 C 03 08 30.73 +14 45 23.1 q C10
2017-01-17 21:14:54 C 03 08 31.47 +14 45 26.1 q J22
2017-01-17 21:22:02 C 03 08 31.60 +14 45 26.7 q J22
2017-01-17 21:27:19 C 03 08 31.65 +14 45 26.1 q C10