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
2018-08-11 19:58:30 C 01 52 28.89 +66 04 35.0 – V L01
2018-08-11 19:58:56 C 01 52 29.11 +66 04 34.7 – V L01
2018-08-11 21:00:08 C 01 52 58.27 +66 04 02.0 – U L36
2018-08-11 21:03:55 C 01 53 00.05 +66 04 00.0 – U L36
2018-08-11 21:06:55 C 01 53 01.53 +66 03 58.3 – U L36
2018-08-11 22:17:54 C 01 53 35.08 +66 03 18.5 – q K97
2018-08-11 22:25:08 C 01 53 38.53 +66 03 14.6 – q K97
2018-08-11 22:32:43 C 01 53 42.12 +66 03 10.5 – q K97
2018-08-11 22:35:57 C 01 53 43.68 +66 03 08.8 – q K97
2018-08-11 23:44:21 C 01 54 15.86 +66 02 32.1 – V C47
2018-08-11 23:48:36 C 01 54 17.82 +66 02 29.7 – V C47
2018-08-11 23:53:55 C 01 54 20.32 +66 02 26.8 – V C47
2018-08-11 23:59:14 C 01 54 22.87 +66 02 23.7 – V C47
2018-08-12 00:06:40 C 01 54 26.36 +66 02 19.5 – V C47
2018-08-12 00:13:34 C 01 54 29.64 +66 02 15.8 – V C47
2018-08-12 01:22:14 C 01 55 02.05 +66 01 35.9 – q 215
2018-08-12 01:23:26 C 01 55 02.68 +66 01 35.3 – q 215
2018-08-12 01:24:48 C 01 55 03.38 +66 01 34.4 – q 215
2018-08-12 01:26:11 C 01 55 04.00 +66 01 33.8 – q 215
2018-08-12 01:27:32 C 01 55 04.67 +66 01 32.8 – q 215
2018-08-12 01:28:54 C 01 55 05.20 +66 01 31.7 – q 215
2018-08-12 02:28:40 C 01 55 33.38 +66 00 57.0 – q A77
2018-08-12 02:31:12 C 01 55 34.51 +66 00 55.1 – q A77
2018-08-12 02:33:37 C 01 55 35.63 +66 00 53.8 – q A77
2018-08-12 02:36:00 C 01 55 36.83 +66 00 52.4 – q A77
2018-08-12 02:37:38 C 01 55 37.57 +66 00 51.6 – q A77
2018-08-12 13:55:07 C 02 00 59.93 +65 53 34.9 – U T08
2018-08-12 14:07:47 C 02 01 05.72 +65 53 26.3 – U T08
2018-08-12 14:20:31 C 02 01 11.75 +65 53 17.7 – U T08
2018-08-12 14:33:18 C 02 01 17.68 +65 53 08.9 – U T08
2018-08-12 20:47:17 C 02 04 16.94 +65 48 20.7 – U L36
2018-08-12 21:10:28 C 02 04 28.02 +65 48 04.6 – U L36
2018-08-12 21:34:37 C 02 04 39.53 +65 47 47.6 – U L36
2018-08-12 22:53:43 C 02 05 16.85 +65 46 51.8 – V C47
2018-08-12 22:56:46 C 02 05 19.22 +65 46 47.8 – c Z55
2018-08-12 22:57:31 C 02 05 19.14 +65 46 47.1 – c Z55
2018-08-12 22:57:58 C 02 05 19.51 +65 46 46.8 – c Z55
2018-08-12 22:58:27 C 02 05 19.68 +65 46 46.7 – c Z55
2018-08-12 23:00:37 C 02 05 20.24 +65 46 47.4 – V C47
2018-08-12 23:08:35 C 02 05 23.91 +65 46 41.9 – V C47
2018-08-12 23:16:34 C 02 05 27.71 +65 46 36.0 – V C47
2018-08-12 23:24:31 C 02 05 31.45 +65 46 30.9 – V C47
2018-08-12 23:32:30 C 02 05 35.30 +65 46 24.4 – V C47
2018-08-13 01:38:28 C 02 06 34.57 +65 44 49.2 – V 238
2018-08-13 01:50:35 C 02 06 40.14 +65 44 39.1 – V 238
2018-08-13 02:01:06 C 02 06 44.96 +65 44 30.5 – V 238
2018-08-13 02:41:10 C 02 07 04.15 +65 44 06.6 – c I72
2018-08-13 03:04:52 C 02 07 15.05 +65 43 49.2 – c I72
2018-08-13 03:30:53 C 02 07 27.29 +65 43 29.2 – c I72
2018-08-13 10:44:03 C 02 10 53.82 +65 37 39.4 – U U69