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
2017-02-01 02:21:43 C 03 16 08.45 +15 14 31.8 q 703
2017-02-01 02:29:38 C 03 16 08.68 +15 14 32.0 q 703
2017-02-01 02:37:33 C 03 16 08.92 +15 14 32.8 q 703
2017-02-08 15:46:55 C 03 21 41.55 +15 35 37.5 q C97
2017-02-08 16:58:47 C 03 21 44.09 +15 35 45.9 q C97
2017-02-15 20:14:41 C 03 27 49.71 +15 58 20.0 q J22
2017-02-15 20:21:52 C 03 27 50.02 +15 58 21.7 q J22
2017-02-15 20:28:58 C 03 27 50.27 +15 58 22.4 q J22
2017-02-18 20:03:32 C 03 30 36.64 +16 08 23.0 q 160
2017-02-18 20:06:57 C 03 30 36.76 +16 08 23.2 q 160
2017-02-18 20:10:22 C 03 30 36.86 +16 08 22.9 q 160
2017-02-19 20:04:30 C 03 31 34.14 +16 11 48.5 Q I72
2017-02-19 20:47:05 C 03 31 35.80 +16 11 54.4 Q I72
2017-02-19 21:27:54 C 03 31 37.44 +16 12 01.1 Q I72
2017-02-21 20:26:38 C 03 33 32.56 +16 18 48.9 q A77
2017-02-21 21:05:07 C 03 33 34.13 +16 18 53.8 q A77
2017-02-21 21:44:40 C 03 33 35.91 +16 19 00.3 q A77
2017-02-23 01:53:49 C 03 34 46.26 +16 23 07.6 R G45
2017-02-23 02:03:11 C 03 34 46.63 +16 23 08.6 R G45
2017-02-23 02:12:14 C 03 34 47.01 +16 23 09.8 R G45
2017-02-23 02:20:26 C 03 34 47.34 +16 23 11.6 R G45
2017-02-25 19:34:54 C 03 37 34.86 +16 32 49.6 Q I72
2017-02-25 20:13:36 C 03 37 36.52 +16 32 55.4 Q I72
2017-02-25 20:52:22 C 03 37 38.19 +16 33 01.1 Q I72
2017-02-25 21:20:59 C 03 37 39.41 +16 33 07.2 q J22
2017-02-25 21:24:39 C 03 37 39.69 +16 33 06.9 q J22
2017-02-25 21:35:33 C 03 37 40.18 +16 33 04.5 q J22
2017-02-26 02:45:42 C 03 37 53.73 +16 33 55.1 q 703
2017-02-26 02:52:03 C 03 37 53.97 +16 33 56.2 q 703
2017-02-26 03:04:39 C 03 37 54.59 +16 33 57.8 q 703
2017-03-08 02:54:10 C 03 49 00.22 +17 10 29.7 q G96
2017-03-08 03:02:36 C 03 49 00.58 +17 10 31.1 q G96
2017-03-08 03:08:42 C 03 49 00.81 +17 10 32.3 q G96
2017-03-08 03:14:49 C 03 49 01.20 +17 10 33.2 q G96
2017-03-08 03:33:39 C 03 49 02.03 +17 10 35.1 q G96
2017-03-08 03:49:07 C 03 49 02.81 +17 10 37.9 q G96
2017-03-08 04:21:06 C 03 49 04.38 +17 10 42.1 q G96
2017-03-15 04:03:57 C 03 57 29.41 +17 36 28.1 v U69
2017-03-15 05:03:29 C 03 57 32.46 +17 36 36.9 v U69
2017-03-16 18:39:59 C 03 59 29.84 +17 42 21.1 q 160
2017-03-16 18:43:00 C 03 59 30.01 +17 42 21.1 q 160
2017-03-16 18:46:02 C 03 59 30.12 +17 42 21.1 q 160
2017-03-19 01:38:09 C 04 02 23.86 +17 50 41.3 q H45
2017-03-19 01:41:59 C 04 02 23.97 +17 50 41.6 q H45
2017-03-19 01:44:01 C 04 02 24.18 +17 50 41.7 q H45
2017-03-19 01:45:53 C 04 02 24.24 +17 50 41.8 q H45
2017-03-20 02:40:23 C 04 03 44.05 +17 54 27.5 q G96
2017-03-20 03:08:15 C 04 03 45.55 +17 54 31.8 q G96
2017-03-20 03:15:33 C 04 03 45.95 +17 54 32.6 q G96
2017-03-20 03:25:37 C 04 03 46.43 +17 54 34.7 q G96