2009 CR4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4179608509 ± 1.76e-08
Semi-major axis (a)1.7522578198 AU ± 1.50e-09
Inclination (i)4.77735249° ± 3.81e-06
Long. of Asc. Node (Ω)324.54479031° ± 2.05e-05
Arg. of Perihelion (ω)243.83972435° ± 2.43e-05
Mean Anomaly (M)51.94614450° ± 4.53e-06
Mean Motion (n)0.4249279186°/day ± 5.45e-10
Perihelion dist (q)1.01988265 AU ± 3.08e-08
Aphelion dist (Q)2.48463299 AU ± 3.08e-08
Orbital Period2.31951406 yr ± 2.97e-09
Physical Parameters
H (abs. magnitude)21.67
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.250″
Uncertainty0
Orbit TypeAmor
MOID0.070385 AU
Observations Used89
Oppositions8
Arc Total2009-2023
First Observation Used2009-02-13
Last Observation Used2023-02-17
Observations (94)
Date Type RA Dec Mag Band Observatory
2009-03-15 04:17:03 C 07 45 43.85 +10 31 33.6 o 291
2009-03-15 04:22:43 C 07 45 43.57 +10 31 26.7 o 291
2009-03-15 04:28:12 C 07 45 43.30 +10 31 19.4 o 291
2009-03-18 04:25:10 C 07 43 13.01 +08 56 26.6 20.1 c 704
2009-03-18 04:42:18 C 07 43 12.20 +08 56 03.4 19.5 c 704
2009-03-18 04:59:43 C 07 43 11.62 +08 55 38.4 20.1 c 704
2009-03-18 05:16:55 C 07 43 10.83 +08 55 14.3 20.3 c 704
2009-04-09 01:23:57 C 07 42 45.53 -07 20 29.0 o H55
2009-04-09 01:33:39 C 07 42 45.70 -07 20 52.8 o H55
2009-04-09 01:43:36 C 07 42 45.88 -07 21 17.3 o H55
2009-04-17 01:50:54 C 07 50 11.15 -16 29 15.6 o H55
2009-04-17 01:54:32 C 07 50 11.23 -16 29 26.9 o H55
2009-04-17 01:58:27 C 07 50 11.31 -16 29 39.2 o H55
2009-05-29 16:08:36 C 15 19 47.24 -69 17 02.1 c D21
2009-05-29 16:19:07 C 15 19 53.34 -69 16 38.1 c D21
2016-01-11 06:34:41 C 10 42 31.67 +12 49 48.5 t 950
2016-01-11 06:36:10 C 10 42 31.75 +12 49 47.5 t 950
2016-01-11 06:37:39 C 10 42 31.85 +12 49 46.6 t 950
2016-01-11 06:39:08 C 10 42 31.93 +12 49 45.9 t 950
2016-01-11 06:42:07 C 10 42 32.14 +12 49 44.1 t 950
2016-02-09 06:06:01 C 11 33 06.00 +02 13 29.0 u 807
2016-02-09 06:08:56 C 11 33 06.23 +02 13 24.8 u 807
2016-02-09 06:12:17 C 11 33 06.50 +02 13 19.9 u 807
2016-02-09 06:15:13 C 11 33 06.72 +02 13 15.5 u 807
2016-02-09 06:18:35 C 11 33 06.98 +02 13 10.5 u 807
2016-02-12 13:29:02 C 11 40 09.61 +00 08 20.8 1 T09
2016-02-12 14:10:01 C 11 40 13.01 +00 07 11.7 1 T09
2016-02-12 14:56:44 C 11 40 16.94 +00 05 52.9 1 T09
2016-02-19 11:07:28 C 11 57 21.521 -05 18 08.65 L F51
2016-02-19 11:23:51 C 11 57 23.243 -05 18 46.27 L F51
2016-02-19 11:56:09 C 11 57 26.620 -05 20 00.73 L F51
2016-03-03 11:12:05 C 12 47 09.681 -21 28 49.94 L F51
2016-03-03 11:28:03 C 12 47 12.907 -21 29 54.64 L F51
2016-03-03 11:44:05 C 12 47 16.137 -21 30 59.08 L F51
2016-06-03 13:51:55 C 21 27 05.710 -33 50 18.06 L F51
2016-06-03 14:03:06 C 21 27 05.250 -33 50 14.27 L F51
2016-06-03 14:14:15 C 21 27 04.805 -33 50 10.67 L F51
2016-06-03 14:25:21 C 21 27 04.330 -33 50 06.41 L F51
2016-06-13 13:20:08 C 21 15 53.791 -32 35 01.21 L F51
2016-06-13 13:36:55 C 21 15 52.621 -32 34 56.55 L F51
2016-06-13 13:53:41 C 21 15 51.415 -32 34 52.11 L F51
2023-02-17 08:35:04 C 15 03 29.55 -23 03 14.9 V 807
2023-02-17 08:40:23 C 15 03 30.88 -23 03 23.9 V 807
2023-02-17 08:45:10 C 15 03 32.06 -23 03 32.8 V 807