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
1998-02-22 21:03:57 C 04 18 45.62 +17 46 33.3 118
1998-03-02 11:46:00 C 04 25 26.59 +18 05 23.7 360
1998-03-02 11:52:29 C 04 25 26.81 +18 05 24.5 360
1998-03-10 19:41:26 C 04 33 42.52 +18 26 38.8 118
1998-03-10 19:53:30 C 04 33 43.03 +18 26 40.2 118
1998-03-18 11:00:15 C 04 42 03.11 +18 45 59.4 360
1998-03-18 11:07:15 C 04 42 03.44 +18 46 00.1 360
1998-04-19 10:53:30 C 05 23 08.50 +19 52 10.1 360
1998-04-19 11:00:29 C 05 23 08.92 +19 52 10.2 360
1998-12-27 18:46:16 C 10 08 51.49 +05 58 58.1 402
1998-12-27 19:03:25 C 10 08 51.26 +05 58 58.5 402
1998-12-27 19:12:00 C 10 08 51.22 +05 58 57.5 402
1999-01-09 12:34:18 c 10 06 01.06 +06 02 30.0 691
1999-01-09 12:49:37 c 10 06 00.82 +06 02 30.6 691
1999-01-09 13:04:09 c 10 06 00.63 +06 02 31.2 691
1999-01-11 12:29:52 c 10 05 19.67 +06 04 41.6 691
1999-01-11 12:43:46 c 10 05 19.43 +06 04 42.0 691
1999-01-11 12:57:36 c 10 05 19.16 +06 04 42.2 691
1999-01-11 13:04:28 c 10 05 19.14 +06 04 43.2 691
1999-01-11 13:10:24 c 10 05 19.05 +06 04 43.4 691
1999-01-14 08:39:02 C 10 04 14.60 +06 08 32.4 693
1999-01-14 08:50:11 C 10 04 14.40 +06 08 32.9 693
1999-01-14 09:00:50 C 10 04 14.23 +06 08 34.0 693
1999-01-17 17:38:24 C 10 02 47.76 +06 14 13.2 402
1999-01-17 17:42:44 C 10 02 47.61 +06 14 13.8 402
1999-01-17 17:51:22 C 10 02 47.44 +06 14 15.1 402
1999-02-14 09:24:59 C 09 46 48.37 +07 35 50.3 693
1999-02-14 09:30:55 C 09 46 48.21 +07 35 51.3 693
1999-02-14 09:36:46 C 09 46 48.04 +07 35 52.1 693
1999-04-16 05:49:20 C 09 26 51.09 +10 25 36.7 693
1999-04-16 06:05:16 C 09 26 51.18 +10 25 37.3 693
2006-08-22 03:24:12 C 01 13 47.30 +10 29 21.1 r J95
2006-08-25 00:15:38 C 01 13 39.49 +10 27 46.9 r J95
2006-08-25 01:10:14 C 01 13 39.28 +10 27 44.8 r J95
2006-08-25 01:46:35 C 01 13 39.15 +10 27 43.7 r J95
2006-08-27 00:19:18 C 01 13 28.77 +10 26 06.5 o 204
2006-08-27 02:18:13 C 01 13 28.13 +10 26 01.3 o 204
2006-08-27 03:06:34 C 01 13 27.91 +10 25 58.8 r J95
2006-08-30 02:53:22 C 01 13 03.75 +10 22 31.9 r J95
2006-08-30 03:29:41 C 01 13 03.53 +10 22 30.3 r J95
2006-08-31 23:18:04 C 01 12 44.41 +10 19 52.5 r 215
2006-09-02 00:16:32 C 01 12 31.76 +10 18 12.1 r 130
2006-09-02 00:33:57 C 01 12 31.66 +10 18 11.0 r 130
2006-09-14 01:15:46 C 01 08 50.18 +09 49 36.2 c 585
2006-09-14 01:33:05 C 01 08 50.00 +09 49 36.0 c 585
2006-09-14 01:39:30 C 01 08 49.59 +09 49 33.6 c 585
2006-09-14 01:45:54 C 01 08 49.48 +09 49 33.3 c 585
2006-09-14 02:15:38 C 01 08 49.08 +09 49 29.1 c 585
2006-09-17 07:52:52 C 01 07 27.44 +09 39 02.1 r 703
2006-09-17 08:10:20 C 01 07 27.12 +09 39 00.8 r 703