IAA RAS IAA Minor Planet Database

2011 CT4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7184256041 ± 2.00e-08
Semi-major axis (a)1.7256616266 AU ± 9.00e-09
Inclination (i)2.64631670° ± 5.86e-06
Long. of Asc. Node (Ω)304.74690879° ± 1.65e-05
Arg. of Perihelion (ω)69.68607785° ± 1.70e-05
Mean Anomaly (M)230.04092713° ± 7.54e-06
Mean Motion (n)0.4347892656°/day ± 3.40e-09
Perihelion dist (q)0.48590213 AU ± 3.45e-08
Aphelion dist (Q)2.96542112 AU ± 3.78e-08
Orbital Period2.26690574 yr ± 1.77e-08
Physical Parameters
H (abs. magnitude)20.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.337″
Uncertainty0
Orbit TypeApollo
MOID0.006448 AU
Observations Used313
Oppositions5
Arc Total2011-2020
First Observation Used2011-02-04
Last Observation Used2020-02-19
Observations (337)
Date Type RA Dec Mag Band Observatory
2020-01-26 07:32:19 C 09 06 03.67 +15 58 18.6 – V 703
2020-01-26 07:39:56 C 09 06 01.22 +15 58 26.0 – V 703
2020-01-26 07:47:30 C 09 05 58.68 +15 58 32.1 – V 703
2020-01-27 07:56:13 C 08 58 52.25 +16 18 03.8 – q 734
2020-01-27 07:59:12 C 08 58 51.46 +16 18 06.3 – q 734
2020-01-27 08:00:39 C 08 58 51.02 +16 18 07.7 – q 734
2020-01-27 08:02:06 C 08 58 50.63 +16 18 08.5 – q 734
2020-01-27 11:31:53 C 08 57 53.69 +16 20 57.9 – V T05
2020-01-27 11:35:53 C 08 57 52.55 +16 21 00.9 – V T05
2020-01-27 12:00:45 C 08 57 45.51 +16 21 18.6 – V T05
2020-01-28 21:55:37 C 08 49 24.02 +16 42 49.8 – V Z80
2020-01-28 21:57:18 C 08 49 23.65 +16 42 50.7 – V Z80
2020-01-28 21:58:57 C 08 49 23.21 +16 42 50.9 – V Z80
2020-01-28 22:02:47 C 08 49 22.35 +16 42 53.7 – V Z80
2020-01-29 07:09:59 C 08 47 20.20 +16 48 14.3 – V 703
2020-01-29 07:17:33 C 08 47 18.46 +16 48 18.3 – V 703
2020-01-29 07:25:07 C 08 47 16.74 +16 48 22.5 – V 703
2020-01-29 07:32:43 C 08 47 15.01 +16 48 26.6 – V 703
2020-01-29 09:38:11 C 08 46 48.66 +16 49 43.3 – V T08
2020-01-29 09:54:48 C 08 46 44.90 +16 49 52.4 – V T08
2020-01-29 09:58:50 C 08 46 43.99 +16 49 54.5 – V T08
2020-01-29 10:12:00 C 08 46 41.02 +16 50 01.7 – V T08
2020-01-30 08:44:29 C 08 42 08.07 +17 01 10.4 – V T05
2020-01-30 08:49:56 C 08 42 06.95 +17 01 13.2 – V T05
2020-01-30 08:57:57 C 08 42 05.33 +17 01 17.1 – V T05
2020-01-30 09:14:48 C 08 42 01.93 +17 01 24.8 – V T05
2020-01-30 09:31:00 C 08 41 56.73 +17 01 23.9 – o 691
2020-01-30 10:02:39 C 08 41 50.41 +17 01 37.7 – o 691
2020-01-30 10:32:43 C 08 41 44.43 +17 01 50.6 – o 691
2020-01-31 01:58:03 C 08 38 58.23 +17 08 32.2 – q W46
2020-01-31 02:15:09 C 08 38 55.04 +17 08 39.7 – q W46
2020-01-31 02:30:01 C 08 38 52.34 +17 08 46.6 – q W46
2020-01-31 07:48:29 C 08 37 56.90 +17 11 06.1 – V T05
2020-01-31 07:52:29 C 08 37 56.16 +17 11 07.5 – V T05
2020-01-31 08:21:05 C 08 37 50.97 +17 11 20.1 – V T05
2020-01-31 08:27:46 C 08 37 49.74 +17 11 22.8 – V T05
2020-01-31 08:33:34 C 08 37 48.77 +17 11 25.7 – V T05
2020-01-31 08:51:59 C 08 37 45.35 +17 11 33.1 – V T05
2020-01-31 09:02:44 C 08 37 43.46 +17 11 38.7 – V T05
2020-02-01 00:05:56 C 08 35 12.67 +17 17 04.8 – V 033
2020-02-01 00:06:45 C 08 35 12.53 +17 17 05.0 – V 033
2020-02-01 00:07:33 C 08 35 12.40 +17 17 05.3 – V 033
2020-02-01 05:42:52 C 08 34 20.79 +17 19 17.3 – V 703
2020-02-01 05:50:23 C 08 34 19.56 +17 19 19.6 – V 703
2020-02-01 05:57:55 C 08 34 18.31 +17 19 22.6 – V 703
2020-02-01 06:02:49 C 08 34 16.94 +17 19 20.7 – V 734
2020-02-01 06:04:16 C 08 34 16.70 +17 19 21.3 – V 734
2020-02-01 06:05:27 C 08 34 17.08 +17 19 25.4 – V 703
2020-02-01 06:07:11 C 08 34 16.23 +17 19 22.3 – V 734
2020-02-01 06:08:39 C 08 34 15.98 +17 19 22.9 – V 734