47P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2021-11-25 (JD 2459543.5)
Eccentricity (e)0.3185235457 ± 3.65e-08
Semi-major axis (a)4.1234900975 AU ± 1.47e-08
Inclination (i)13.04065389° ± 4.86e-06
Long. of Asc. Node (Ω)356.92063492° ± 1.30e-05
Arg. of Perihelion (ω)357.65769469° ± 1.40e-05
Mean Anomaly (M)191.48350287° ± 4.54e-06
Mean Motion (n)0.1177104018°/day ± 6.27e-10
Perihelion dist (q)2.81006141 AU ± 1.51e-07
Aphelion dist (Q)5.43691878 AU ± 1.52e-07
Orbital Period8.37331509 yr ± 4.46e-08
NGA Modelg(r)
A11.16422068e-09 ± 1.53e-10 AU/d²
A2-4.95661912e-11 ± 2.24e-12 AU/d²
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.775″
Uncertainty0
Orbit TypeMBA
MOID1.803149 AU
Observations Used3913
Oppositions69
Arc Total1948-2026
First Observation Used1948-10-07
Last Observation Used2026-01-21
Observations (4145)
Date Type RA Dec Mag Band Observatory
1987-03-02 06:03:59 A 04 37 56.96 +35 24 49.8 B 691
1987-12-21 08:45:12 A 09 23 07.26 +28 47 46.7 B 691
1987-12-21 09:21:42 A 09 23 06.72 +28 47 51.2 B 691
1988-01-21 07:52:27 A 09 04 34.42 +30 25 57.8 B 691
1988-01-21 08:14:49 A 09 04 33.66 +30 26 00.3 B 691
1988-03-13 03:41:07 A 08 30 44.97 +30 43 50.5 B 691
1988-03-13 06:10:48 A 08 30 42.70 +30 43 39.2 B 691
1991-04-24 01:05:59 A 13 29 48.97 -16 54 55.4 950
1991-04-24 02:14:00 A 13 29 46.96 -16 54 51.6 950
1992-05-04 13:53:11 A 16 52 49.47 -37 46 22.4 474
1992-05-04 14:50:02 A 16 52 47.97 -37 46 29.9 474
1992-05-29 13:40:03 A 16 32 33.26 -38 29 49.9 474
1992-05-29 14:29:04 A 16 32 31.30 -38 29 49.8 474
1993-05-10 19:33:23 C 23 41 13.56 -08 16 03.3 413
1993-05-10 19:36:33 C 23 41 13.77 -08 16 01.7 413
1993-05-11 18:41:47 C 23 42 47.75 -08 03 57.0 413
1993-05-11 18:44:34 C 23 42 47.94 -08 03 55.7 413
1993-06-25 10:55:01 c 00 48 03.64 +00 56 07.7 691
1993-06-25 11:05:48 c 00 48 04.19 +00 56 12.8 691
1993-07-01 18:36:14 C 00 55 45.63 +02 06 59.2 413
1993-07-01 18:39:34 C 00 55 45.77 +02 07 00.9 413
1993-07-18 07:23:08 C 01 13 18.45 +05 02 26.0 801
1993-07-18 07:36:36 C 01 13 18.98 +05 02 32.0 801
1993-07-22 09:45:56 c 01 16 58.34 +05 43 29.4 691
1993-07-22 17:21:00 C 01 17 14.62 +05 46 36.8 360
1993-07-22 17:24:59 C 01 17 14.78 +05 46 38.6 360
1993-07-23 10:23:00 c 01 17 50.50 +05 53 35.3 691
1993-07-24 07:23:05 C 01 18 33.95 +06 02 09.3 801
1993-07-24 07:46:25 C 01 18 34.74 +06 02 18.8 801
1993-07-31 18:08:35 C 01 24 07.16 +07 13 05.6 413
1993-07-31 18:13:59 C 01 24 07.30 +07 13 07.6 413
1993-08-11 16:41:15 C 01 30 03.56 +08 49 46.9 411
1993-08-11 16:44:35 C 01 30 03.60 +08 49 48.1 411
1993-08-11 16:47:47 C 01 30 03.64 +08 49 48.8 411
1993-08-12 16:02:59 C 01 30 26.90 +08 57 56.6 411
1993-08-12 16:07:45 C 01 30 26.93 +08 57 59.1 411
1993-08-12 16:25:30 C 01 30 27.18 +08 58 04.1 411
1993-08-12 23:36:36 C 01 30 33.96 +09 00 35.0 557
1993-08-12 23:50:11 C 01 30 34.14 +09 00 39.6 557
1993-08-12 23:55:20 C 01 30 34.22 +09 00 41.0 557
1993-08-13 00:01:08 C 01 30 34.31 +09 00 43.4 557
1993-08-13 00:02:50 C 01 30 34.32 +09 00 43.5 557
1993-08-13 00:04:32 C 01 30 34.40 +09 00 44.6 557
1993-08-13 00:16:18 C 01 30 34.57 +09 00 47.9 557
1993-08-13 00:17:59 C 01 30 34.55 +09 00 49.2 557
1993-08-13 00:19:41 C 01 30 34.63 +09 00 49.5 557
1993-08-13 00:21:23 C 01 30 34.64 +09 00 49.3 557
1993-08-13 11:05:21 c 01 30 44.72 +09 04 33.0 691
1993-08-13 11:19:55 c 01 30 44.94 +09 04 38.5 691
1993-08-14 00:47:26 C 01 30 56.83 +09 09 14.8 605