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
2019-04-08 00:09:38 C 06 51 03.07 -08 44 07.6 q I47
2019-04-08 00:26:01 C 06 51 03.82 -08 44 01.1 q I47
2019-04-08 00:42:24 C 06 51 04.53 -08 43 54.2 q I47
2019-04-09 06:54:03 C 06 52 32.41 -08 30 47.6 V T05
2019-04-09 07:07:05 C 06 52 32.93 -08 30 42.8 V T05
2019-04-09 07:19:56 C 06 52 33.70 -08 30 37.4 V T05
2019-04-09 07:32:46 C 06 52 34.29 -08 30 31.0 V T05
2019-04-11 20:21:07 C 06 55 33.12 -08 05 00.5 Q J24
2019-04-11 20:41:49 C 06 55 34.10 -08 04 52.3 Q J24
2019-04-27 10:52:06 C 07 14 41.13 -05 54 11.4 q Q11
2019-04-27 11:00:25 C 07 14 41.57 -05 54 09.2 q Q11
2019-04-30 20:00:14 C 07 18 57.45 -05 31 30.8 q L27
2019-04-30 20:15:50 C 07 18 58.65 -05 31 24.4 q L27
2020-01-24 12:02:29 C 10 55 25.593 -17 26 19.81 U F51
2020-01-24 12:20:21 C 10 55 25.153 -17 26 18.48 U F51
2020-01-24 12:38:12 C 10 55 24.774 -17 26 17.43 U F51
2020-01-24 12:56:03 C 10 55 24.383 -17 26 17.11 U F51
2020-01-30 09:01:30 C 10 52 11.68 -17 16 56.4 V G96
2020-01-30 09:08:55 C 10 52 11.44 -17 16 55.5 V G96
2020-01-30 09:23:47 C 10 52 11.03 -17 16 53.0 V G96
2024-05-08 14:18:09 C 15 36 08.84 +08 10 04.8 q F65
2024-05-08 14:33:30 C 15 36 08.26 +08 10 10.4 q F65
2024-06-07 22:55:35 C 15 08 20.856 +11 29 42.36 Z C23
2024-06-07 23:13:30 C 15 08 20.191 +11 29 44.59 Z C23
2024-07-27 03:16:43 C 14 49 59.30 +10 24 10.5 X W62
2024-07-27 03:36:51 C 14 49 59.38 +10 24 06.9 X W62
2024-10-13 18:30:27 C 16 01 00.35 +01 39 51.1 A77
2024-10-13 18:52:37 C 16 01 01.67 +01 39 44.6 A77
2024-10-21 17:32:46 C 16 14 00.28 +00 48 34.3 q 215
2024-10-21 17:34:50 C 16 14 00.41 +00 48 33.7 q 215
2024-10-21 17:36:54 C 16 14 00.54 +00 48 33.1 q 215