2021 CA4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4525124737 ± 2.00e+00
Semi-major axis (a)1.8953881849 AU ± 3.00e+00
Inclination (i)14.96019859° ± 4.00e+00
Long. of Asc. Node (Ω)145.92160254° ± 5.00e+00
Arg. of Perihelion (ω)10.32531553° ± 6.00e+00
Mean Anomaly (M)294.05694346° ± 4.79e-01
Mean Motion (n)0.3776722400°/day ± 8.97e-01
Perihelion dist (q)1.03770530 AU ± 4.13e+00
Aphelion dist (Q)2.75331410 AU ± 5.78e+00
Orbital Period2.60969060 yr ± 6.20e+00
Physical Parameters
H (abs. magnitude)24.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.348″
Uncertainty3
Orbit TypeAmor
MOID0.053754 AU
Observations Used67
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-03-07
Observations (67)
Date Type RA Dec Mag Band Observatory
2021-02-24 12:21:55 C 14 21 59.67 +33 14 42.9 V I52
2021-02-24 12:23:44 C 14 22 00.49 +33 14 47.8 V I52
2021-02-26 12:07:48 C 14 43 26.62 +35 14 49.8 V I52
2021-02-26 12:11:26 C 14 43 28.00 +35 14 57.8 V I52
2021-02-26 12:15:04 C 14 43 29.44 +35 15 04.9 V I52
2021-02-26 12:18:42 C 14 43 30.81 +35 15 13.0 V I52
2021-03-02 11:51:30 C 15 16 42.99 +37 46 17.0 V V06
2021-03-02 11:57:54 C 15 16 44.69 +37 46 24.5 V V06
2021-03-02 12:04:18 C 15 16 46.37 +37 46 30.8 V V06
2021-03-03 10:38:12 C 15 23 04.59 +38 10 36.6 V V06
2021-03-03 10:48:27 C 15 23 07.08 +38 10 47.3 V V06
2021-03-03 10:58:42 C 15 23 09.58 +38 10 57.8 V V06
2021-03-06 09:13:29 C 15 39 37.98 +39 08 02.4 u H21
2021-03-06 09:22:43 C 15 39 39.74 +39 08 09.0 u H21
2021-03-07 09:23:50 C 15 44 23.08 +39 22 59.9 u H21
2021-03-07 09:35:18 C 15 44 25.04 +39 23 07.8 u H21
2021-03-07 09:44:48 C 15 44 26.64 +39 23 12.7 u H21