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
2025-12-21 01:40:35 C 05 04 50.916 +25 47 57.73 W I81
2025-12-21 01:44:39 C 05 04 50.803 +25 47 57.41 W I81
2025-12-21 01:48:43 C 05 04 50.647 +25 47 56.80 W I81
2025-12-21 17:03:22 C 05 04 28.45 +25 46 08.2 V D29
2025-12-21 17:23:42 C 05 04 27.92 +25 46 05.7 V D29
2025-12-21 17:44:03 C 05 04 27.42 +25 46 03.5 V D29
2025-12-21 23:29:39 C 05 04 19.272 +25 45 22.10 Z J22
2025-12-21 23:34:39 C 05 04 19.159 +25 45 21.64 Z J22
2025-12-21 23:39:40 C 05 04 19.020 +25 45 21.13 Z J22
2025-12-22 02:45:01 B 05 04 14.597 +25 44 58.00 X W62
2025-12-22 02:59:04 B 05 04 14.241 +25 44 56.26 X W62
2025-12-22 03:12:08 B 05 04 13.906 +25 44 54.43 X W62
2025-12-22 05:18:04 C 05 04 10.920 +25 44 40.09 V G96
2025-12-22 05:26:07 C 05 04 10.704 +25 44 39.12 V G96
2025-12-22 05:34:11 C 05 04 10.502 +25 44 38.15 V G96
2025-12-22 05:42:13 C 05 04 10.312 +25 44 37.21 V G96
2025-12-22 09:39:41 C 05 04 04.584 +25 44 09.78 V T05
2025-12-22 09:44:16 C 05 04 04.495 +25 44 09.24 V T05
2025-12-22 09:51:36 C 05 04 04.226 +25 44 08.34 V T05
2025-12-22 10:07:53 C 05 04 03.852 +25 44 06.00 V T05
2025-12-22 15:19:56 C 05 03 56.287 +25 43 26.76 q Q14
2025-12-22 15:29:10 C 05 03 56.196 +25 43 25.64 q Q14
2025-12-22 17:24:31 C 05 03 53.42 +25 43 13.2 D95
2025-12-22 17:33:38 C 05 03 53.16 +25 43 11.5 D95
2025-12-23 01:40:18 B 05 03 41.86 +25 42 15.7 X X03
2025-12-23 01:50:41 B 05 03 41.49 +25 42 13.5 X X03
2025-12-23 02:00:01 B 05 03 41.27 +25 42 12.8 X X03
2025-12-23 02:08:19 B 05 03 41.09 +25 42 11.6 X X03
2025-12-23 02:16:37 B 05 03 40.88 +25 42 10.8 X X03
2025-12-23 02:24:55 B 05 03 40.65 +25 42 09.6 X X03
2025-12-24 14:05:17 B 05 02 50.575 +25 37 47.70 Z O42
2025-12-24 14:17:04 B 05 02 50.279 +25 37 46.11 Z O42
2025-12-24 14:28:53 B 05 02 49.995 +25 37 44.81 Z O42
2025-12-25 23:36:25 C 05 02 04.402 +25 33 43.16 V R17
2025-12-25 23:56:47 C 05 02 03.979 +25 33 39.78 V R17
2025-12-26 00:10:35 C 05 02 03.650 +25 33 40.46 Z J22
2025-12-26 00:15:38 C 05 02 03.523 +25 33 37.62 Z J22
2025-12-26 00:17:09 C 05 02 03.480 +25 33 37.08 V R17
2025-12-26 00:20:40 C 05 02 03.415 +25 33 37.15 Z J22
2025-12-26 00:37:32 C 05 02 02.950 +25 33 35.03 V R17
2025-12-26 07:35:19 C 05 01 53.746 +25 32 44.42 X F52
2025-12-26 07:42:46 C 05 01 53.552 +25 32 43.37 X F52
2025-12-26 07:50:15 C 05 01 53.396 +25 32 42.60 X F52
2025-12-26 07:57:41 C 05 01 53.206 +25 32 41.61 X F52
2025-12-26 19:05:07 C 05 01 38.268 +25 31 18.19 Z C23
2025-12-26 19:14:50 C 05 01 38.074 +25 31 16.50 Z C23
2025-12-27 09:17:29 C 05 01 19.370 +25 29 35.84 V T08
2025-12-27 09:21:41 C 05 01 19.241 +25 29 35.59 V T08
2025-12-27 09:37:42 C 05 01 18.850 +25 29 33.43 V T08
2025-12-27 09:49:40 C 05 01 18.631 +25 29 31.88 V T08