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
2025-12-12 03:26:37 C 00 11 24.169 +02 30 26.60 V G96
2025-12-12 12:40:06 C 00 11 34.339 +02 31 00.06 W O18
2025-12-12 13:14:03 C 00 11 34.900 +02 31 02.01 W O18
2025-12-15 12:31:39 C 00 12 58.248 +02 35 59.73 W O18
2025-12-15 13:09:27 C 00 12 58.999 +02 36 02.51 W O18
2025-12-20 12:40:13 C 00 15 38.855 +02 46 43.33 W O18
2025-12-20 14:26:39 C 00 15 41.358 +02 46 54.39 W O18
2025-12-24 12:15:49 C 00 18 04.105 +02 57 18.00 W O18
2025-12-24 13:53:49 C 00 18 06.664 +02 57 29.67 W O18
2025-12-25 12:17:23 C 00 18 42.966 +03 00 14.14 W O18
2025-12-25 13:53:32 C 00 18 45.516 +03 00 25.72 W O18