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
2017-03-24 02:43:28 C 04 08 57.19 +18 08 45.3 U 695
2017-03-24 03:01:55 C 04 08 58.15 +18 08 47.9 U 695
2017-12-24 02:21:31 C 09 35 20.07 +08 39 13.2 q 160
2017-12-24 02:24:59 C 09 35 20.12 +08 39 14.1 q 160
2017-12-24 02:28:27 C 09 35 20.12 +08 39 14.3 q 160
2018-01-15 07:27:39 C 09 27 01.16 +08 59 23.5 U G96
2018-01-15 07:35:02 C 09 27 00.93 +08 59 23.4 U G96
2018-01-15 07:42:25 C 09 27 00.72 +08 59 24.5 U G96
2018-01-15 07:49:47 C 09 27 00.54 +08 59 25.3 U G96
2018-01-16 10:16:47 C 09 26 24.591 +09 01 40.43 U F51
2018-01-16 10:33:51 C 09 26 24.186 +09 01 42.09 U F51
2018-01-16 10:50:54 C 09 26 23.777 +09 01 43.55 U F51
2018-01-27 07:01:20 C 09 19 52.36 +09 29 01.8 U G96
2018-01-27 07:07:28 C 09 19 52.27 +09 29 02.9 U G96
2018-01-27 07:18:42 C 09 19 51.88 +09 29 05.0 U G96
2018-01-27 07:24:49 C 09 19 51.72 +09 29 04.8 U G96
2018-02-04 10:03:38 C 09 14 33.91 +09 54 07.2 U G96
2018-02-04 10:11:00 C 09 14 33.73 +09 54 08.7 U G96
2018-02-04 10:50:03 C 09 14 32.64 +09 54 13.5 U G96
2018-02-04 10:57:28 C 09 14 32.38 +09 54 15.4 U G96
2018-02-13 21:01:11 C 09 08 25.96 +10 25 56.8 U I81
2018-02-13 21:06:24 C 09 08 25.84 +10 25 57.4 U I81
2018-02-21 00:35:22 C 09 04 07.76 +10 50 21.3 U I81
2018-02-21 00:40:35 C 09 04 07.63 +10 50 21.9 U I81
2018-02-21 00:45:48 C 09 04 07.51 +10 50 22.4 U I81
2018-02-22 01:36:04 C 09 03 32.53 +10 53 50.5 U I81
2018-02-22 01:47:32 C 09 03 32.59 +10 53 52.4 U I81
2018-03-21 17:10:50 C 08 53 28.80 +12 11 12.5 q C97
2018-03-21 17:16:41 C 08 53 28.48 +12 11 15.8 q C97
2025-08-26 10:02:01 C 00 41 37.826 +07 49 03.43 X F52
2025-08-26 10:33:19 C 00 41 37.489 +07 49 00.95 X F52
2025-08-26 10:49:00 C 00 41 37.317 +07 48 59.90 X F52
2025-09-02 06:17:55 C 00 39 33.74 +07 34 14.6 X W62
2025-09-02 06:44:02 C 00 39 33.33 +07 34 12.1 X W62
2025-09-02 06:45:03 C 00 39 33.25 +07 34 12.5 X W62
2025-09-02 07:11:09 C 00 39 32.92 +07 34 09.6 X W62
2025-09-03 12:26:23 C 00 39 06.380 +07 30 57.81 X F51
2025-09-03 12:44:42 C 00 39 06.073 +07 30 55.83 X F51
2025-09-03 13:02:56 C 00 39 05.798 +07 30 53.64 X F51
2025-09-16 11:16:00 C 00 33 13.712 +06 47 07.17 X F51
2025-09-16 12:00:24 C 00 33 12.701 +06 46 59.70 X F51
2025-09-16 12:17:45 C 00 33 12.299 +06 46 56.95 X F51
2025-09-16 12:35:08 C 00 33 11.896 +06 46 53.97 X F51
2025-09-18 05:58:16 B 00 32 16.795 +06 39 49.64 Z W05
2025-09-18 07:30:31 B 00 32 14.578 +06 39 33.80 Z W05
2025-09-18 08:35:15 B 00 32 13.066 +06 39 22.64 Z W05
2025-09-18 20:33:46 C 00 31 56.94 +06 37 15.0 q 215
2025-09-18 20:37:30 C 00 31 56.84 +06 37 14.6 q 215
2025-09-18 20:41:14 C 00 31 56.72 +06 37 14.3 q 215
2025-09-23 07:13:16 C 00 29 27.118 +06 17 50.78 V G96