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
2017-06-26 17:21:55 S 13 14 27.060 -17 30 28.04 – L C51
2020-01-12 04:17:52 C 14 22 43.90 -08 09 20.6 – V C95
2020-01-12 04:47:34 C 14 22 00.78 -08 06 02.4 – V C95
2020-01-13 12:33:56 S 13 34 35.534 -04 12 15.23 – L C51
2020-01-17 00:46:53 C 11 34 16.17 +06 06 10.3 – V 203
2020-01-17 01:02:44 C 11 33 56.47 +06 07 46.1 – V 203
2020-01-17 01:20:12 C 11 33 34.79 +06 09 31.4 – V 203
2020-01-17 04:22:16 C 11 29 50.23 +06 27 33.2 – V 204
2020-01-17 04:27:46 C 11 29 43.51 +06 28 05.5 – V 204
2020-01-17 04:33:47 C 11 29 36.16 +06 28 40.7 – V 204
2020-01-18 09:03:18 C 10 58 06.91 +08 58 18.9 – V 703
2020-01-18 09:10:50 C 10 57 59.04 +08 58 53.8 – V 703
2020-01-18 09:18:21 C 10 57 51.28 +08 59 29.0 – V 703
2020-01-18 09:25:52 C 10 57 43.35 +09 00 02.3 – V 703
2020-01-18 13:23:20 C 10 53 44.32 +09 18 20.1 – V T05
2020-01-18 13:29:26 C 10 53 38.12 +09 18 47.2 – V T05
2020-01-18 13:43:54 C 10 53 23.45 +09 19 51.5 – V T05
2020-01-18 13:54:23 C 10 53 12.81 +09 20 38.0 – V T05
2020-01-19 02:32:46 C 10 41 15.58 +10 12 48.6 – V Z99
2020-01-19 02:36:52 C 10 41 11.81 +10 13 04.9 – V Z99
2020-01-19 02:40:57 C 10 41 08.03 +10 13 21.1 – V Z99
2020-01-19 10:53:17 C 10 33 55.470 +10 45 16.58 – U F51
2020-01-19 11:11:47 C 10 33 39.140 +10 46 24.85 – U F51
2020-01-19 11:30:23 C 10 33 22.735 +10 47 33.17 – U F51
2020-01-19 12:44:24 C 10 32 17.69 +10 52 02.1 – V T05
2020-01-19 12:53:12 C 10 32 09.98 +10 52 33.7 – V T05
2020-01-19 13:12:31 C 10 31 53.08 +10 53 42.9 – V T05
2020-01-20 10:09:35 C 10 15 14.93 +12 01 27.3 – q H45
2020-01-20 10:10:41 C 10 15 14.09 +12 01 30.7 – q H45
2020-01-20 10:14:44 C 10 15 11.07 +12 01 42.2 – q H45
2020-01-20 10:15:58 C 10 15 10.18 +12 01 45.6 – q H45
2020-01-20 10:17:14 C 10 15 09.17 +12 01 49.5 – q H45
2020-01-20 10:18:36 C 10 15 08.13 +12 01 53.5 – q H45
2020-01-21 02:17:07 C 10 03 56.74 +12 45 20.2 – V 130
2020-01-21 02:19:25 C 10 03 55.19 +12 45 26.2 – V 130
2020-01-21 02:22:05 C 10 03 53.38 +12 45 33.0 – V 130
2020-01-21 02:25:11 C 10 03 51.23 +12 45 40.9 – V 130
2020-01-21 09:57:51 C 09 58 56.79 +13 04 17.9 – q H45
2020-01-21 09:59:23 C 09 58 55.74 +13 04 21.6 – q H45
2020-01-21 10:01:48 C 09 58 54.16 +13 04 27.5 – q H45
2020-01-21 10:02:46 C 09 58 53.63 +13 04 29.5 – q H45
2020-01-21 10:03:56 C 09 58 52.73 +13 04 32.5 – q H45
2020-01-21 10:04:59 C 09 58 52.12 +13 04 34.7 – q H45
2020-01-21 10:29:13 C 09 58 41.018 +13 05 50.72 – U F52
2020-01-21 11:15:26 C 09 58 11.004 +13 07 40.09 – U F52
2020-01-21 14:41:52 C 09 55 58.52 +13 15 32.9 – V T08
2020-01-21 14:50:22 C 09 55 53.17 +13 15 51.6 – V T08
2020-01-21 14:57:04 C 09 55 48.95 +13 16 06.4 – V T08
2020-01-21 15:10:47 C 09 55 40.32 +13 16 36.7 – V T08
2020-01-21 16:22:48 C 09 55 00.41 +13 19 03.5 – m P93