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
2020-01-21 16:25:25 C 09 54 58.82 +13 19 09.1 – m P93
2020-01-21 16:26:43 C 09 54 58.07 +13 19 11.8 – m P93
2020-01-21 20:36:10 C 09 52 30.82 +13 27 51.2 – V 033
2020-01-21 20:37:00 C 09 52 30.33 +13 27 53.1 – V 033
2020-01-21 20:37:48 C 09 52 29.84 +13 27 54.8 – V 033
2020-01-21 22:13:22 n 09 51 33.52 +13 31 22.4 – V Z43
2020-01-21 22:23:55 n 09 51 27.27 +13 31 45.1 – V Z43
2020-01-21 22:32:05 n 09 51 22.43 +13 32 02.8 – V Z43
2020-01-21 22:41:13 n 09 51 17.01 +13 32 22.3 – V Z43
2020-01-21 22:50:14 n 09 51 11.64 +13 32 41.3 – V Z43
2020-01-23 00:02:13 C 09 37 35.19 +14 20 13.5 – V 108
2020-01-23 00:06:19 C 09 37 33.09 +14 20 19.9 – V 108
2020-01-23 00:10:23 C 09 37 31.00 +14 20 27.3 – V 108
2020-01-23 00:14:29 C 09 37 28.89 +14 20 34.0 – V 108
2020-01-23 00:18:33 C 09 37 26.81 +14 20 41.1 – V 108
2020-01-23 03:44:22 C 09 35 42.94 +14 26 17.1 – V 160
2020-01-23 03:48:25 C 09 35 40.93 +14 26 23.5 – V 160
2020-01-23 03:52:31 C 09 35 38.90 +14 26 30.0 – V 160
2020-01-23 06:31:39 C 09 34 26.80 +14 30 59.2 – V 703
2020-01-23 06:39:16 C 09 34 23.06 +14 31 11.6 – V 703
2020-01-23 06:46:50 C 09 34 19.31 +14 31 23.7 – V 703
2020-01-23 06:50:15 C 09 34 15.03 +14 32 39.9 – V W88
2020-01-23 06:54:25 C 09 34 15.57 +14 31 35.9 – V 703
2020-01-23 07:09:19 C 09 34 05.62 +14 33 10.0 – V W88
2020-01-23 07:29:21 C 09 33 55.79 +14 33 40.9 – V W88
2020-01-23 09:34:24 C 09 33 00.43 +14 35 58.5 – V T05
2020-01-23 09:51:53 C 09 32 51.95 +14 36 26.1 – V T05
2020-01-23 09:56:51 C 09 32 49.54 +14 36 33.9 – V T05
2020-01-23 10:04:34 C 09 32 45.798 +14 36 46.10 – U F51
2020-01-23 10:08:47 C 09 32 43.75 +14 36 52.7 – V T05
2020-01-23 10:21:10 C 09 32 37.755 +14 37 12.08 – U F51
2020-01-23 10:37:46 C 09 32 29.726 +14 37 37.95 – U F51
2020-01-23 10:54:28 C 09 32 21.644 +14 38 03.81 – U F51
2020-01-24 02:38:10 C 09 25 20.01 +15 00 10.6 – V 160
2020-01-24 02:42:21 C 09 25 18.20 +15 00 16.1 – V 160
2020-01-24 02:46:30 C 09 25 16.39 +15 00 21.6 – V 160
2020-01-24 19:52:08 C 09 18 27.55 +15 21 34.4 – V G34
2020-01-24 19:53:35 C 09 18 27.08 +15 21 38.2 – V G34
2020-01-24 19:54:37 C 09 18 26.57 +15 21 37.9 – V G34
2020-01-24 19:57:43 C 09 18 25.36 +15 21 42.8 – V G34
2020-01-24 22:03:45 C 09 17 36.02 +15 24 14.9 – V L18
2020-01-24 22:05:17 C 09 17 35.46 +15 24 15.3 – V L18
2020-01-24 22:06:02 C 09 17 35.17 +15 24 17.0 – V L18
2020-01-24 22:06:48 C 09 17 34.84 +15 24 18.8 – V L18
2020-01-24 22:07:33 C 09 17 34.51 +15 24 19.0 – V L18
2020-01-24 22:08:19 C 09 17 34.26 +15 24 19.2 – V L18
2020-01-24 22:09:04 C 09 17 33.93 +15 24 21.2 – V L18
2020-01-24 22:09:50 C 09 17 33.67 +15 24 21.4 – V L18
2020-01-24 22:10:35 C 09 17 33.34 +15 24 22.9 – V L18
2020-01-24 22:11:21 C 09 17 33.03 +15 24 23.3 – V L18