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
2016-09-01 19:08:14 C 03 34 02.82 +18 55 13.1 q D29
2016-09-01 19:36:14 C 03 34 03.39 +18 55 13.9 q D29
2016-09-01 20:04:13 C 03 34 04.09 +18 55 15.4 q D29
2016-09-07 02:34:56 C 03 36 52.17 +18 58 32.2 q 215
2016-09-07 02:37:43 C 03 36 52.27 +18 58 32.4 q 215
2016-09-07 02:40:30 C 03 36 52.32 +18 58 32.1 q 215
2016-09-08 01:24:48 C 03 37 19.32 +18 58 53.9 q K02
2016-09-08 01:34:13 C 03 37 19.46 +18 58 53.3 q K02
2016-09-09 05:27:29 C 03 37 51.11 +18 59 15.7 q J22
2016-09-09 05:38:54 C 03 37 51.33 +18 59 15.7 q J22
2016-09-09 05:50:16 C 03 37 51.53 +18 59 15.9 q J22
2016-09-25 07:28:50 C 03 42 24.16 +18 52 50.2 q W96
2016-09-25 08:06:51 C 03 42 24.28 +18 52 45.7 q W96
2016-09-28 04:33:29 C 03 42 38.51 +18 49 22.1 q J22
2016-09-28 04:49:43 C 03 42 38.48 +18 49 21.2 q J22
2016-09-29 02:07:47 C 03 42 41.83 +18 49 05.7 V 160
2016-09-29 02:10:33 C 03 42 41.84 +18 49 05.4 V 160
2016-09-29 02:13:19 C 03 42 41.86 +18 49 05.1 V 160
2016-09-30 01:18:01 C 03 42 42.04 +18 46 47.1 V 160
2016-09-30 01:20:36 C 03 42 42.03 +18 46 47.3 V 160
2016-09-30 01:23:13 C 03 42 42.00 +18 46 47.4 V 160
2016-10-03 01:28:27 C 03 42 38.02 +18 42 03.1 q K02
2016-10-03 01:37:50 C 03 42 37.85 +18 42 03.5 q K02
2016-10-04 01:40:00 C 03 42 33.86 +18 40 21.6 q 160
2016-10-04 01:43:25 C 03 42 33.82 +18 40 21.0 q 160
2016-10-04 01:46:50 C 03 42 33.86 +18 40 18.9 q 160
2016-10-05 00:54:06 C 03 42 28.92 +18 38 33.4 q B96
2016-10-05 00:56:30 C 03 42 28.88 +18 38 32.9 q B96
2016-10-05 00:58:52 C 03 42 28.84 +18 38 32.8 q B96
2016-10-05 01:01:16 C 03 42 28.83 +18 38 32.5 q B96
2016-10-05 01:06:03 C 03 42 28.80 +18 38 32.1 q B96
2016-10-05 23:56:18 C 03 42 22.78 +18 36 44.4 Q B96
2016-10-05 23:58:43 C 03 42 22.74 +18 36 44.3 Q B96
2016-10-06 00:01:05 C 03 42 22.72 +18 36 43.8 Q B96
2016-10-06 00:03:29 C 03 42 22.70 +18 36 43.2 Q B96
2016-10-06 00:05:51 C 03 42 22.69 +18 36 42.9 Q B96
2016-10-06 00:08:15 C 03 42 22.50 +18 36 42.0 Q B96
2016-10-06 23:03:02 C 03 42 15.06 +18 34 49.1 q I81
2016-10-06 23:18:01 C 03 42 14.98 +18 34 48.2 q I81
2016-10-06 23:28:09 C 03 42 14.93 +18 34 47.4 q I81
2016-10-07 02:20:33 C 03 42 13.82 +18 34 34.6 d A77
2016-10-07 03:09:23 C 03 42 13.49 +18 34 30.5 d A77
2016-10-07 03:58:10 C 03 42 13.20 +18 34 26.3 d A77
2016-10-09 21:58:01 C 03 41 44.71 +18 28 33.8 q I81
2016-10-09 22:05:11 C 03 41 44.63 +18 28 32.7 q I81
2016-10-09 22:11:19 C 03 41 44.57 +18 28 32.2 q I81
2016-10-09 23:39:37 C 03 41 43.83 +18 28 24.2 q C10
2016-10-10 00:37:18 C 03 41 43.35 +18 28 19.2 q C10
2016-10-10 02:30:52 C 03 41 42.23 +18 28 09.3 q A77
2016-10-10 02:56:54 C 03 41 42.05 +18 28 06.9 q A77