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
2021-07-11 11:12:10 C 03 42 14.95 +29 02 27.0 U I41
2021-07-11 11:15:44 C 03 42 15.23 +29 02 28.6 U I41
2021-07-11 11:19:16 C 03 42 15.53 +29 02 30.2 U I41
2021-07-11 11:22:50 C 03 42 15.81 +29 02 31.9 U I41
2021-07-11 11:26:24 C 03 42 16.10 +29 02 33.6 U I41
2021-07-11 17:52:14 C 03 42 47.60 +29 05 29.2 m 349
2021-07-11 18:04:39 C 03 42 48.64 +29 05 35.3 m 349
2021-07-12 01:13:46 C 03 43 23.65 +29 08 49.5 q 215
2021-07-12 01:15:37 C 03 43 23.80 +29 08 50.3 q 215
2021-07-12 01:17:29 C 03 43 23.95 +29 08 51.0 q 215
2021-07-14 11:12:02 C 03 48 05.42 +29 34 48.5 U I41
2021-07-14 11:15:33 C 03 48 05.71 +29 34 50.0 U I41
2021-07-14 11:19:05 C 03 48 05.98 +29 34 51.5 U I41
2021-07-14 11:22:37 C 03 48 06.27 +29 34 53.1 U I41
2021-07-14 11:26:08 C 03 48 06.56 +29 34 54.6 U I41
2021-07-15 11:15:27 C 03 50 01.16 +29 45 22.8 U I41
2021-07-15 11:19:07 C 03 50 01.45 +29 45 24.4 U I41
2021-07-15 11:22:48 C 03 50 01.75 +29 45 26.0 U I41
2021-07-15 11:26:27 C 03 50 02.04 +29 45 27.7 U I41
2021-07-15 11:30:08 C 03 50 02.33 +29 45 29.3 U I41
2021-07-18 17:06:01 C 03 56 10.84 +30 18 47.2 q Q11
2021-07-18 17:22:41 C 03 56 12.14 +30 18 54.5 q Q11
2021-07-18 17:40:52 C 03 56 13.56 +30 19 02.0 q Q11
2021-07-19 01:39:27 C 03 56 50.94 +30 22 22.9 V G06
2021-07-19 01:42:35 C 03 56 51.18 +30 22 24.7 V G06
2021-07-19 01:45:42 C 03 56 51.47 +30 22 25.2 V G06
2021-07-19 11:17:40 C 03 57 36.13 +30 26 26.2 U I41
2021-07-19 11:21:08 C 03 57 36.39 +30 26 27.7 U I41
2021-07-19 11:24:36 C 03 57 36.66 +30 26 29.1 U I41
2021-07-19 11:28:05 C 03 57 36.93 +30 26 30.7 U I41
2021-07-19 11:31:31 C 03 57 37.20 +30 26 32.1 U I41
2021-07-20 11:20:35 C 03 59 28.23 +30 36 26.3 U I41
2021-07-20 11:24:02 C 03 59 28.49 +30 36 27.8 U I41
2021-07-20 11:27:30 C 03 59 28.76 +30 36 29.2 U I41
2021-07-20 11:30:59 C 03 59 29.02 +30 36 30.7 U I41
2021-07-20 11:34:27 C 03 59 29.29 +30 36 32.1 U I41
2021-07-23 17:54:35 C 04 05 29.13 +31 08 21.9 q Q21
2021-07-23 18:03:41 C 04 05 29.86 +31 08 25.6 q Q21
2021-08-02 02:40:34 C 04 21 54.32 +32 33 53.8 v A77
2021-08-02 02:47:34 C 04 21 54.83 +32 33 56.1 v A77
2021-08-02 02:54:34 C 04 21 55.31 +32 33 58.8 v A77
2021-08-04 17:41:30 C 04 26 16.78 +32 56 28.8 m 349
2021-08-04 18:12:16 C 04 26 18.86 +32 56 39.6 m 349
2021-08-15 01:27:52 C 04 42 22.53 +34 20 09.4 q K77
2021-08-15 01:37:06 C 04 42 23.09 +34 20 12.1 q K77
2021-08-18 09:20:30 C 04 47 09.60 +34 45 37.4 q U55
2021-08-18 09:35:17 C 04 47 10.47 +34 45 43.3 q U55
2021-08-18 09:49:20 C 04 47 11.13 +34 45 47.0 q U55
2021-08-18 17:46:52 C 04 47 39.16 +34 48 17.2 q D95
2021-08-18 17:56:11 C 04 47 39.71 +34 48 20.3 q D95