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
2018-08-15 20:37:06 C 02 38 08.89 +64 37 46.7 q K97
2018-08-15 20:39:14 C 02 38 10.02 +64 37 42.2 q C10
2018-08-15 20:57:55 C 02 38 18.76 +64 37 21.5 q C10
2018-08-15 20:59:22 C 02 38 19.60 +64 37 19.2 q L12
2018-08-15 21:03:55 C 02 38 21.40 +64 37 14.5 q C23
2018-08-15 21:09:32 C 02 38 24.60 +64 37 06.0 q L12
2018-08-15 21:18:36 C 02 38 28.37 +64 36 56.7 q C10
2018-08-15 21:19:41 C 02 38 29.02 +64 36 55.0 q L12
2018-08-15 21:25:29 C 02 38 31.47 +64 36 48.8 q C23
2018-08-15 21:32:11 C 02 38 34.88 +64 36 40.5 c C86
2018-08-15 21:33:29 C 02 38 35.42 +64 36 39.2 c C86
2018-08-15 21:34:22 C 02 38 35.81 +64 36 38.4 c C86
2018-08-15 21:45:57 C 02 38 40.99 +64 36 24.3 q C23
2018-08-16 04:28:50 C 02 41 47.03 +64 28 13.6 q G40
2018-08-16 04:30:12 C 02 41 47.69 +64 28 11.9 q G40
2018-08-16 04:31:40 C 02 41 48.34 +64 28 10.1 q G40
2018-08-16 04:34:00 C 02 41 49.38 +64 28 07.1 q G40
2018-08-16 04:35:22 C 02 41 50.00 +64 28 05.4 q G40
2018-08-16 04:36:47 C 02 41 50.63 +64 28 03.6 q G40
2018-08-16 20:26:06 C 02 49 07.52 +64 06 27.4 u 107
2018-08-16 20:33:19 C 02 49 10.77 +64 06 18.7 V C47
2018-08-16 20:40:45 C 02 49 14.11 +64 06 08.5 V C47
2018-08-16 20:48:44 C 02 49 17.75 +64 05 57.5 V C47
2018-08-16 20:56:42 C 02 49 21.46 +64 05 46.9 V C47
2018-08-16 21:00:38 C 02 49 23.49 +64 05 40.6 u 107
2018-08-16 21:04:40 C 02 49 25.21 +64 05 36.0 V C47
2018-08-16 21:10:32 n 02 49 27.52 +64 05 25.1 q Z92
2018-08-16 21:12:38 C 02 49 28.87 +64 05 25.0 V C47
2018-08-16 21:25:07 C 02 49 34.79 +64 05 07.5 U L36
2018-08-16 21:28:42 C 02 49 36.40 +64 05 03.0 U L36
2018-08-16 21:31:34 C 02 49 37.64 +64 04 59.2 U L36
2018-08-16 21:35:11 C 02 49 39.32 +64 04 54.1 u 107
2018-08-16 21:38:31 n 02 49 40.41 +64 04 47.0 q Z92
2018-08-16 22:00:30 n 02 49 50.50 +64 04 16.9 q Z92
2018-08-16 22:09:44 C 02 49 55.09 +64 04 07.0 u 107
2018-08-16 22:59:59 C 02 50 17.83 +64 02 55.3 q Z37
2018-08-16 23:02:06 C 02 50 18.84 +64 02 52.4 q Z37
2018-08-16 23:04:13 C 02 50 19.71 +64 02 49.7 q Z37
2018-08-16 23:06:20 C 02 50 20.70 +64 02 47.0 q Z37
2018-08-16 23:08:27 C 02 50 21.67 +64 02 43.9 q Z37
2018-08-16 23:10:34 C 02 50 22.71 +64 02 40.8 q Z37
2018-08-16 23:12:42 C 02 50 23.69 +64 02 38.0 q Z37
2018-08-16 23:14:49 C 02 50 24.59 +64 02 35.3 q Z37
2018-08-16 23:16:56 C 02 50 25.57 +64 02 32.2 q Z37
2018-08-16 23:19:03 C 02 50 26.59 +64 02 29.2 q Z37
2018-08-17 00:19:43 C 02 50 54.36 +64 01 07.3 c 213
2018-08-17 00:38:19 C 02 51 02.68 +64 00 42.1 c 213
2018-08-17 00:59:17 C 02 51 12.35 +64 00 13.2 c 213
2018-08-17 01:14:28 C 02 51 19.01 +63 59 49.4 q K02
2018-08-17 01:24:16 C 02 51 23.49 +63 59 36.1 q K02