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
2018-10-06 03:15:52 C 07 01 17.21 -06 22 59.6 q C10
2018-10-06 03:26:19 C 07 01 18.43 -06 23 24.9 q J22
2018-10-06 03:28:16 C 07 01 18.52 -06 23 30.0 q J22
2018-10-06 03:28:56 C 07 01 18.56 -06 23 32.7 q J22
2018-10-06 03:51:52 C 07 01 19.69 -06 24 44.4 q C10
2018-10-07 03:37:17 C 07 02 59.04 -07 33 06.1 Q J01
2018-10-07 03:53:40 C 07 03 00.16 -07 33 52.8 Q J01
2018-10-07 04:19:24 C 07 03 01.80 -07 35 05.7 Q J01
2018-10-08 02:38:16 C 07 04 31.50 -08 37 40.3 q 215
2018-10-08 02:40:17 C 07 04 31.61 -08 37 45.6 q 215
2018-10-08 02:42:19 C 07 04 31.74 -08 37 51.3 q 215
2018-10-08 02:44:20 C 07 04 31.88 -08 37 56.9 q 215
2018-10-08 02:46:22 C 07 04 32.00 -08 38 02.4 q 215
2018-10-08 02:48:24 C 07 04 32.13 -08 38 08.1 q 215
2018-10-08 03:48:28 C 07 04 35.94 -08 40 54.7 q L12
2018-10-08 03:50:30 C 07 04 36.01 -08 40 54.5 q L12
2018-10-08 03:51:39 C 07 04 36.17 -08 41 03.7 q L12
2018-10-08 19:00:26 C 07 05 35.43 -09 22 13.7 q 323
2018-10-08 19:28:24 C 07 05 37.10 -09 23 28.7 q 323
2018-10-10 04:01:26 C 07 07 38.13 -10 50 44.2 q K02
2018-10-10 04:11:17 C 07 07 38.72 -10 51 09.9 q K02
2018-10-10 04:26:04 C 07 07 39.58 -10 51 48.3 q K02
2018-10-11 01:14:23 C 07 08 53.68 -11 45 38.2 q 585
2018-10-11 01:16:23 C 07 08 53.82 -11 45 44.1 q 585
2018-10-11 01:17:24 C 07 08 53.87 -11 45 46.1 q 585
2018-10-11 01:18:27 C 07 08 53.95 -11 45 48.9 q 585
2018-10-11 01:19:27 C 07 08 53.96 -11 45 52.5 q 585
2018-10-11 01:20:28 C 07 08 54.01 -11 45 54.2 q 585
2018-10-11 03:16:26 C 07 09 01.12 -11 50 46.3 q J22
2018-10-11 03:18:25 C 07 09 01.25 -11 50 51.3 q J22
2018-10-11 03:19:03 C 07 09 01.31 -11 50 53.6 q J22
2018-10-11 10:12:31 C 07 09 24.67 -12 08 25.0 q H47
2018-10-11 10:16:03 C 07 09 24.84 -12 08 34.6 q H47
2018-10-11 10:23:22 C 07 09 25.25 -12 08 52.4 q H47
2018-10-11 10:30:43 C 07 09 25.65 -12 09 11.6 q H47
2018-10-11 10:37:08 C 07 09 25.97 -12 09 27.8 q H47
2018-10-11 15:07:05 C 07 09 41.80 -12 20 27.8 V Q38
2018-10-11 15:14:05 C 07 09 42.24 -12 20 46.4 V Q38
2018-10-11 15:21:50 C 07 09 42.66 -12 21 04.0 V Q38
2018-10-12 08:40:54 C 07 10 40.27 -13 04 23.4 q W96
2018-10-12 08:45:30 C 07 10 40.49 -13 04 35.1 q W96
2018-10-12 08:50:06 C 07 10 40.76 -13 04 46.0 q W96
2018-10-12 09:51:02 C 07 10 44.13 -13 07 31.1 q H47
2018-10-12 09:59:01 C 07 10 44.56 -13 07 50.8 q H47
2018-10-12 10:02:14 C 07 10 44.69 -13 07 58.9 q H47
2018-10-12 10:06:48 C 07 10 44.93 -13 08 10.2 q H47
2018-10-13 00:48:16 C 07 11 32.56 -13 44 07.5 q 585
2018-10-13 00:54:02 C 07 11 32.85 -13 44 21.5 q 585
2018-10-13 00:59:49 C 07 11 33.15 -13 44 35.7 q 585
2018-10-13 01:05:36 C 07 11 33.43 -13 44 49.5 q 585