28P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2023-04-13 (JD 2460047.5)
Eccentricity (e)0.7735624292 ± 7.68e-09
Semi-major axis (a)6.9816940624 AU ± 3.23e-08
Inclination (i)14.31027682° ± 1.96e-06
Long. of Asc. Node (Ω)346.34472654° ± 1.63e-05
Arg. of Perihelion (ω)347.46734653° ± 1.62e-05
Mean Anomaly (M)40.72445789° ± 1.96e-06
Mean Motion (n)0.0534282630°/day ± 3.70e-10
Perihelion dist (q)1.58091784 AU ± 5.41e-08
Aphelion dist (Q)12.38247028 AU ± 7.84e-08
Orbital Period18.44765726 yr ± 1.28e-07
NGA Modelg(r)
A2-3.47556235e-13 ± 3.75e-14 AU/d²
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.245″
Uncertainty0
Orbit TypeCentaur
MOID0.572480 AU
Observations Used1170
Oppositions105
Arc Total1913-2024
First Observation Used1913-09-08
Last Observation Used2024-04-08
Observations (1277)
Date Type RA Dec Mag Band Observatory
2004-01-05 23:49:55 C 05 28 28.29 +41 12 35.1 c 204
2004-01-05 23:56:26 C 05 28 28.08 +41 12 33.8 c 204
2004-01-06 00:01:22 C 05 28 27.90 +41 12 31.7 c 204
2004-01-09 21:38:46 C 05 25 25.41 +40 58 49.9 r 213
2004-01-09 21:45:31 C 05 25 24.87 +40 58 49.7 r 213
2004-01-14 20:14:49 C 05 22 00.78 +40 40 07.2 d A46
2004-01-14 20:19:43 C 05 22 00.63 +40 40 06.0 d A46
2004-01-14 20:34:22 C 05 22 00.23 +40 40 04.0 d A46
2004-01-14 20:39:15 C 05 22 00.22 +40 40 03.1 d A46
2004-01-14 21:07:30 C 05 21 59.34 +40 39 57.7 d A46
2004-01-14 21:09:39 C 05 21 59.29 +40 39 56.7 d A46
2004-01-17 13:40:53 C 05 20 21.34 +40 29 14.4 m 360
2004-01-17 13:48:07 C 05 20 21.15 +40 29 13.1 m 360
2004-01-22 22:39:30 C 05 17 34.90 +40 07 03.9 d A46
2004-01-22 22:42:47 C 05 17 34.88 +40 07 03.7 d A46
2004-01-22 22:46:03 C 05 17 34.83 +40 07 03.1 d A46
2004-01-22 22:49:17 C 05 17 34.82 +40 07 02.2 d A46
2004-01-22 22:52:33 C 05 17 34.60 +40 07 01.7 d A46
2004-01-22 22:55:48 C 05 17 34.53 +40 07 02.3 d A46
2004-01-24 21:08:13 C 05 16 44.78 +39 58 56.5 d A46
2004-01-24 21:11:26 C 05 16 44.85 +39 58 55.7 d A46
2004-01-24 21:17:54 C 05 16 44.68 +39 58 55.8 d A46
2004-01-24 21:21:08 C 05 16 44.65 +39 58 54.8 d A46
2004-01-24 21:24:21 C 05 16 44.70 +39 58 53.0 d A46
2004-01-24 21:30:49 C 05 16 44.50 +39 58 51.6 d A46
2004-02-11 21:05:07 C 05 13 02.79 +38 43 58.7 d A46
2004-02-11 21:12:29 C 05 13 02.70 +38 43 56.6 d A46
2004-02-11 21:16:33 C 05 13 02.80 +38 43 56.7 d A46
2004-02-11 21:19:49 C 05 13 02.74 +38 43 55.5 d A46
2004-02-11 21:23:55 C 05 13 02.74 +38 43 55.2 d A46
2004-02-11 21:26:21 C 05 13 02.70 +38 43 54.4 d A46
2004-02-12 12:17:55 C 05 13 02.67 +38 41 26.9 m 360
2004-02-12 12:26:34 C 05 13 02.69 +38 41 25.8 m 360
2016-02-12 13:34:01 C 11 37 01.46 +00 54 13.2 1 T09
2016-02-12 13:54:28 C 11 37 01.22 +00 54 14.4 1 T09
2016-02-12 14:10:01 C 11 37 01.03 +00 54 15.2 1 T09
2016-02-12 14:13:54 C 11 37 00.99 +00 54 15.6 1 T09
2016-02-12 14:33:28 C 11 37 00.76 +00 54 16.6 1 T09
2016-02-12 14:37:22 C 11 37 00.71 +00 54 16.9 1 T09
2016-02-12 14:52:51 C 11 37 00.54 +00 54 17.7 1 T09
2016-02-12 15:12:15 C 11 37 00.32 +00 54 18.8 1 T09
2016-03-07 11:25:24 C 11 29 43.50 +01 33 39.2 1 T09
2016-03-07 12:08:49 C 11 29 42.88 +01 33 42.4 1 T09
2016-03-07 12:58:38 C 11 29 42.19 +01 33 46.1 1 T09
2017-03-19 07:55:17 C 11 47 02.722 -02 11 03.15 L F51
2017-03-19 08:12:36 C 11 47 02.461 -02 11 01.55 L F51
2017-03-19 08:29:51 C 11 47 02.183 -02 11 00.28 L F51
2017-03-19 08:47:05 C 11 47 01.931 -02 10 58.60 L F51
2018-04-15 06:44:26 C 12 04 26.19 -06 38 16.9 U G96
2018-04-15 06:54:40 C 12 04 26.01 -06 38 14.7 U G96