509P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2016-09-18 (JD 2457649.5)
Eccentricity (e)0.4634788306 ± 9.24e-06
Semi-major axis (a)7.0229425124 AU ± 1.13e-04
Inclination (i)8.70989078° ± 1.67e-05
Long. of Asc. Node (Ω)275.82552001° ± 5.15e-05
Arg. of Perihelion (ω)179.54732339° ± 5.58e-04
Mean Anomaly (M)174.78994946° ± 4.72e-03
Mean Motion (n)0.0529582476°/day ± 1.28e-06
Perihelion dist (q)3.76795733 AU ± 8.88e-05
Aphelion dist (Q)10.27792770 AU ± 1.78e-04
Orbital Period18.61138401 yr ± 4.49e-04
NGA Modelg(r)
A26.23273791e-06 ± 1.00e-05 AU/d²
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.373″
Uncertainty1
Orbit TypeCentaur
MOID2.783972 AU
Observations Used299
Oppositions2
Arc Total2024-2026
First Observation Used2024-10-03
Last Observation Used2026-03-29
Observations (314)
Date Type RA Dec Mag Band Observatory
2026-03-01 21:40:05 B 05 02 38.155 +23 15 14.00 Z 185
2026-03-02 18:58:29 C 05 03 11.02 +23 14 27.3 Z C10
2026-03-02 19:28:04 C 05 03 11.85 +23 14 27.8 Z C10
2026-03-02 19:56:05 C 05 03 12.20 +23 14 23.6 Z C10
2026-03-10 12:27:36 C 05 08 26.39 +23 08 16.6 D95
2026-03-10 12:43:57 C 05 08 26.70 +23 08 15.5 D95
2026-03-16 11:45:20 C 05 13 05.652 +23 04 17.18 q Q14
2026-03-16 11:54:32 C 05 13 05.647 +23 04 17.18 q Q14
2026-03-19 19:21:31 B 05 15 53.07 +23 02 15.0 A77
2026-03-19 19:36:25 B 05 15 53.58 +23 02 15.2 A77
2026-03-19 19:50:43 B 05 15 54.11 +23 02 14.9 A77
2026-03-29 02:36:56 C 05 24 26.071 +22 56 51.68 V G96
2026-03-29 02:44:39 C 05 24 26.381 +22 56 51.43 V G96
2026-03-29 02:52:22 C 05 24 26.708 +22 56 51.32 V G96