2021 CA9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4419866000
Semi-major axis (a)1.7288093000 AU
Inclination (i)31.06661000°
Long. of Asc. Node (Ω)148.93689000°
Arg. of Perihelion (ω)289.83138000°
Mean Anomaly (M)59.65483000°
Mean Motion (n)0.4335941800°/day
Perihelion dist (q)0.96469880 AU
Aphelion dist (Q)2.49291980 AU
Orbital Period2.27311100 yr
Physical Parameters
H (abs. magnitude)23.33
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual1.020″
Uncertainty8
Orbit TypeApollo
MOID0.180601 AU
Observations Used20
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-02-20
Observations (21)
Date Type RA Dec Mag Band Observatory
2021-02-13 07:20:46 C 08 15 45.399 -06 53 08.71 U F51
2021-02-13 07:37:31 C 08 15 47.023 -06 50 53.14 U F51
2021-02-13 08:11:01 C 08 15 50.245 -06 46 21.11 U F51
2021-02-13 20:26:51 C 08 17 09.72 -05 07 45.6 V 033
2021-02-13 20:32:53 C 08 17 10.31 -05 06 57.4 V 033
2021-02-13 20:35:08 C 08 17 10.54 -05 06 39.5 V 033
2021-02-13 21:35:39 C 08 17 16.49 -04 58 32.6 V L01
2021-02-13 21:46:35 C 08 17 17.61 -04 57 04.7 V L01
2021-02-13 21:57:42 C 08 17 18.68 -04 55 37.1 V L01
2021-02-15 02:51:50 C 08 20 22.69 -01 08 12.4 V 807
2021-02-15 02:57:04 C 08 20 23.18 -01 07 32.4 V 807
2021-02-15 03:02:05 C 08 20 23.66 -01 06 54.0 V 807
2021-02-15 04:33:56 C 08 20 33.88 -00 55 56.8 V I52
2021-02-15 04:38:46 C 08 20 34.41 -00 55 19.5 V I52
2021-02-15 04:48:25 C 08 20 35.38 -00 54 06.8 V I52
2021-02-18 02:34:41 C 08 27 39.50 +07 27 18.9 u 807
2021-02-18 02:43:54 C 08 27 40.33 +07 28 20.6 u 807
2021-02-18 02:53:01 C 08 27 41.13 +07 29 21.5 u 807
2021-02-20 04:09:03 C 08 32 26.40 +12 39 14.0 u 807
2021-02-20 04:18:03 C 08 32 27.24 +12 40 07.1 u 807
2021-02-20 04:26:36 C 08 32 27.95 +12 40 58.0 u 807