Giacobini-Zinner (21P)

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2026-03-24 (JD 2461123.5)
Eccentricity (e)0.7111070000
Semi-major axis (a)3.4907387856 AU
Inclination (i)32.05900000°
Long. of Asc. Node (Ω)195.29460000°
Arg. of Perihelion (ω)172.93950000°
Mean Anomaly (M)0.00000000°
Mean Motion (n)—°/day
Perihelion dist (q)1.00845000 AU
Aphelion dist (Q)5.97302757 AU
Orbital Period6.52192841 yr
Physical Parameters
H (abs. magnitude)9.00
G (slope)6.00
Orbit Solution
SourceMPC
Solution Date—
RMS Residual—″
Uncertainty—
Orbit TypeP
MOID0.010867 AU
Observations Used—
Oppositions—
Arc Total—
First Observation Used—
Last Observation Used—
Observations (7431)
Date Type RA Dec Mag Band Observatory
2011-11-07 15:28:24 C 17 21 59.01 -00 31 10.4 – v C32
2011-11-07 15:31:52 C 17 21 59.36 -00 31 11.6 – v C32
2011-11-14 15:16:28 C 17 39 21.59 -01 20 26.6 – v C32
2011-11-14 15:20:07 C 17 39 21.99 -01 20 27.6 – v C32
2011-11-15 15:16:23 C 17 41 56.61 -01 27 10.6 – v C32
2011-11-15 15:19:14 C 17 41 56.95 -01 27 10.9 – v C32
2011-11-16 17:08:57 C 17 44 45.55 -01 34 20.4 – u C23
2011-11-16 17:15:56 C 17 44 46.34 -01 34 22.9 – u C23
2011-11-16 17:26:19 C 17 44 47.39 -01 34 24.8 – u C23
2011-11-17 15:17:11 C 17 47 11.39 -01 40 23.7 – v C32
2011-11-17 15:19:53 C 17 47 11.74 -01 40 24.0 – v C32
2011-11-18 15:05:45 C 17 49 49.76 -01 46 49.3 – v C32
2011-11-18 15:08:10 C 17 49 50.01 -01 46 50.0 – v C32
2011-11-18 15:32:54 C 17 49 52.77 -01 46 56.4 – v C32
2011-11-18 15:35:24 C 17 49 53.06 -01 46 57.1 – v C32
2011-11-20 16:55:32 C 17 55 26.11 -01 59 59.9 – u C23
2011-11-20 17:01:46 C 17 55 26.80 -02 00 01.4 – u C23
2011-11-20 17:05:56 C 17 55 27.28 -02 00 02.5 – u C23
2011-11-25 08:28:00 C 18 08 23.34 -02 27 58.1 – u D95
2011-11-25 08:36:15 C 18 08 24.28 -02 28 00.5 – u D95
2011-11-26 08:52:56 C 18 11 17.95 -02 33 48.6 – u D81
2011-11-26 08:55:39 C 18 11 18.27 -02 33 48.8 – u D81
2011-11-26 08:58:24 C 18 11 18.56 -02 33 49.1 – u D81
2011-11-26 09:01:10 C 18 11 18.99 -02 33 50.0 – u D81
2011-11-26 09:02:01 C 18 11 19.02 -02 33 50.9 – m 349
2011-11-26 09:05:55 C 18 11 19.49 -02 33 52.0 – m 349
2011-11-26 09:09:50 C 18 11 19.97 -02 33 53.0 – m 349
2011-11-26 09:10:47 C 18 11 20.13 -02 33 52.5 – u 367
2011-11-26 09:13:07 C 18 11 20.40 -02 33 53.1 – u 367
2011-11-26 09:15:27 C 18 11 20.69 -02 33 53.6 – u 367
2011-11-27 08:46:58 C 18 14 10.47 -02 39 25.3 – u D95
2011-11-27 08:49:01 C 18 14 10.74 -02 39 25.8 – u D95
2011-11-27 08:51:06 C 18 14 10.91 -02 39 27.1 – u D95
2011-11-27 16:45:40 C 18 15 08.51 -02 41 17.4 – u C23
2011-11-27 16:56:04 C 18 15 09.81 -02 41 19.9 – u C23
2011-11-27 17:08:30 C 18 15 11.31 -02 41 22.7 – u C23
2011-12-04 09:04:22 C 18 35 10.42 -03 15 54.9 – m 349
2011-12-04 09:09:37 C 18 35 11.15 -03 15 56.5 – m 349
2011-12-09 17:01:42 C 18 52 01.34 -03 39 54.7 – u C23
2011-12-09 17:10:01 C 18 52 02.47 -03 39 56.2 – u C23
2011-12-09 17:13:42 C 18 52 02.94 -03 39 56.8 – u C23
2011-12-11 08:35:47 C 18 57 23.18 -03 46 36.4 – u D95
2011-12-11 08:37:54 C 18 57 23.48 -03 46 36.9 – u D95
2011-12-11 08:46:25 C 18 57 24.64 -03 46 38.0 – u D95
2011-12-14 08:35:52 C 19 07 20.33 -03 57 56.7 – u D95
2011-12-14 08:42:18 C 19 07 21.23 -03 57 57.9 – u D95
2011-12-17 16:41:59 C 19 18 41.96 -04 09 12.2 – u C23
2011-12-17 16:52:23 C 19 18 43.41 -04 09 13.1 – u C23
2011-12-17 17:04:51 C 19 18 45.18 -04 09 14.7 – u C23
2011-12-18 08:37:42 C 19 20 59.50 -04 11 13.8 – u D95