2021 CT4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4684705000
Semi-major axis (a)1.7372447000 AU
Inclination (i)7.18710000°
Long. of Asc. Node (Ω)155.47856000°
Arg. of Perihelion (ω)57.13046000°
Mean Anomaly (M)5.90695000°
Mean Motion (n)0.4304399600°/day
Perihelion dist (q)0.92339680 AU
Aphelion dist (Q)2.55109260 AU
Orbital Period2.28976810 yr
Physical Parameters
H (abs. magnitude)23.33
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.720″
Uncertainty6
Orbit TypeApollo
MOID0.034824 AU
Observations Used61
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-03-07
Observations (61)
Date Type RA Dec Mag Band Observatory
2021-02-08 08:34:58 C 10 56 31.78 -02 51 11.0 V G96
2021-02-08 08:44:13 C 10 56 33.03 -02 51 10.5 V G96
2021-02-08 08:55:06 C 10 56 34.56 -02 51 11.3 V G96
2021-02-08 09:02:32 C 10 56 35.59 -02 51 11.9 V G96
2021-02-08 10:33:52 C 10 56 48.31 -02 51 15.7 V I52
2021-02-08 10:39:24 C 10 56 49.09 -02 51 15.7 V I52
2021-02-08 10:44:56 C 10 56 49.87 -02 51 16.2 V I52
2021-02-09 02:41:07 C 10 59 18.216 -02 51 46.66 V J04
2021-02-09 02:48:07 C 10 59 19.217 -02 51 46.83 V J04
2021-02-09 02:55:06 C 10 59 20.256 -02 51 46.94 V J04
2021-02-09 08:05:28 C 11 00 10.22 -02 51 56.8 V I52
2021-02-09 08:09:06 C 11 00 10.76 -02 51 56.6 V I52
2021-02-09 08:12:44 C 11 00 11.30 -02 51 56.7 V I52
2021-02-09 08:16:21 C 11 00 11.83 -02 51 57.1 V I52
2021-02-09 23:35:15 C 11 02 42.00 -02 52 18.4 V 033
2021-02-09 23:39:50 C 11 02 42.74 -02 52 18.4 V 033
2021-02-10 11:29:03 C 11 04 42.995 -02 51 54.49 U F51
2021-02-10 11:45:39 C 11 04 45.643 -02 51 54.25 U F51
2021-02-10 12:02:12 C 11 04 48.290 -02 51 54.05 U F51
2021-02-10 12:18:47 C 11 04 50.931 -02 51 53.87 U F51
2021-02-12 12:06:51 C 11 13 45.151 -02 49 43.22 U F52
2021-02-12 12:24:40 C 11 13 48.485 -02 49 41.62 U F52
2021-02-12 12:42:28 C 11 13 51.773 -02 49 40.14 U F52
2021-02-12 13:00:18 C 11 13 55.106 -02 49 38.79 U F52
2021-02-13 04:12:12 C 11 17 01.79 -02 48 36.9 V 033
2021-02-13 04:15:31 C 11 17 02.47 -02 48 36.7 V 033
2021-02-13 04:18:52 C 11 17 03.16 -02 48 36.0 V 033
2021-02-13 04:22:25 C 11 17 03.87 -02 48 35.7 V 033
2021-02-13 10:00:29 C 11 18 17.01 -02 47 46.9 V I52
2021-02-13 10:02:18 C 11 18 17.34 -02 47 46.5 V I52
2021-02-13 10:04:07 C 11 18 17.73 -02 47 46.7 V I52
2021-02-13 10:05:56 C 11 18 18.12 -02 47 46.6 V I52
2021-02-17 11:20:30 C 11 43 10.446 -02 27 41.08 U F52
2021-02-17 11:38:06 C 11 43 15.481 -02 27 35.86 U F52
2021-02-17 11:55:40 C 11 43 20.508 -02 27 30.16 U F52
2021-02-19 09:40:11 C 11 58 29.53 -02 10 42.2 V H06
2021-02-19 11:42:34 C 11 59 12.01 -02 09 47.6 V H06
2021-02-23 06:51:17 C 12 39 28.86 -01 14 29.7 V I52
2021-02-23 06:51:38 C 12 39 29.08 -01 14 29.0 V I52
2021-02-23 06:52:00 C 12 39 29.21 -01 14 29.4 V I52
2021-02-23 06:52:21 C 12 39 29.44 -01 14 28.5 V I52
2021-02-24 10:29:50 C 12 54 50.27 -00 50 51.6 V I52
2021-02-24 10:31:16 C 12 54 51.08 -00 50 50.4 V I52
2021-02-24 10:32:41 C 12 54 51.89 -00 50 49.2 V I52
2021-02-24 10:34:07 C 12 54 52.69 -00 50 47.8 V I52
2021-02-25 12:12:34 C 13 10 45.38 -00 25 32.8 V I52
2021-02-25 12:13:38 C 13 10 46.05 -00 25 31.8 V I52
2021-02-25 12:14:42 C 13 10 46.71 -00 25 30.8 V I52
2021-02-25 12:15:46 C 13 10 47.40 -00 25 29.6 V I52
2021-02-26 10:06:38 C 13 25 41.62 -00 01 23.2 V I52