2021 CH2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1256290255 ± 1.50e-07
Semi-major axis (a)1.1386700094 AU ± 1.76e-07
Inclination (i)19.91898559° ± 2.01e-05
Long. of Asc. Node (Ω)319.35321536° ± 3.61e-06
Arg. of Perihelion (ω)292.41797431° ± 1.03e-05
Mean Anomaly (M)244.35713588° ± 3.13e-04
Mean Motion (n)0.8111766724°/day ± 1.88e-07
Perihelion dist (q)0.99562001 AU ± 2.30e-07
Aphelion dist (Q)1.28172001 AU ± 2.61e-07
Orbital Period1.21505748 yr ± 2.82e-07
Physical Parameters
H (abs. magnitude)21.72
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.178″
Uncertainty0
Orbit TypeApollo
MOID0.051204 AU
Observations Used139
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-08
Last Observation Used2021-08-23
Observations (147)
Date Type RA Dec Mag Band Observatory
2021-08-14 01:24:12 C 23 16 45.25 +17 23 11.9 V K87
2021-08-14 01:26:34 C 23 16 44.19 +17 23 28.1 V K87
2021-08-14 01:28:56 C 23 16 43.11 +17 23 44.4 V K87
2021-08-14 13:39:50 C 23 11 29.437 +18 47 33.39 U F51
2021-08-14 13:58:32 C 23 11 21.021 +18 49 37.15 U F51
2021-08-14 14:35:59 C 23 11 04.234 +18 53 44.21 U F51
2021-08-14 20:50:59 C 23 08 33.35 +19 34 09.5 V L18
2021-08-14 20:52:59 C 23 08 32.48 +19 34 22.5 V L18
2021-08-14 20:54:59 C 23 08 31.62 +19 34 35.9 V L18
2021-08-14 20:56:59 C 23 08 30.76 +19 34 49.3 V L18
2021-08-14 20:58:59 C 23 08 29.85 +19 35 02.6 V L18
2021-08-14 21:00:59 C 23 08 28.93 +19 35 15.8 V L18
2021-08-14 21:10:21 C 23 08 25.94 +19 36 19.2 q L47
2021-08-14 21:15:57 C 23 08 22.90 +19 36 57.8 V L54
2021-08-14 21:37:11 C 23 08 14.29 +19 39 13.3 q L47
2021-08-14 21:49:11 C 23 08 08.36 +19 40 36.3 V L54
2021-08-14 22:23:38 C 23 07 53.18 +19 44 22.0 V L54
2021-08-14 23:42:06 C 23 07 19.60 +19 52 44.7 V K87
2021-08-14 23:44:58 C 23 07 18.32 +19 53 03.4 V K87
2021-08-14 23:47:51 C 23 07 17.04 +19 53 22.1 V K87
2021-08-15 00:10:38 C 23 07 07.09 +19 55 58.9 V 160
2021-08-15 00:13:31 C 23 07 05.81 +19 56 17.4 V 160
2021-08-15 00:16:24 C 23 07 04.53 +19 56 36.3 V 160
2021-08-15 20:42:39 C 22 58 38.41 +22 03 29.0 V L18
2021-08-15 20:46:59 C 22 58 36.58 +22 03 55.9 V L18
2021-08-15 20:51:19 C 22 58 34.65 +22 04 21.8 V L18
2021-08-16 22:32:49 C 22 48 12.45 +24 30 57.6 V 160
2021-08-16 22:37:51 C 22 48 10.31 +24 31 25.6 V 160
2021-08-16 22:42:53 C 22 48 08.18 +24 31 53.6 V 160
2021-08-17 10:27:13 C 22 43 30.89 +25 34 31.5 V T05
2021-08-17 11:18:02 C 22 43 09.70 +25 38 54.0 V T05
2021-08-17 11:26:11 C 22 43 06.29 +25 39 35.7 V T05
2021-08-17 11:36:10 C 22 43 02.12 +25 40 27.1 V T05
2021-08-21 10:48:36 C 22 08 48.20 +32 18 08.5 V T05
2021-08-21 10:54:14 C 22 08 46.25 +32 18 27.3 V T05
2021-08-21 11:37:20 C 22 08 30.99 +32 20 48.1 V T05
2021-08-21 11:45:12 C 22 08 28.28 +32 21 13.9 V T05
2021-08-21 22:45:12 C 22 04 56.37 +32 55 59.8 X 595
2021-08-21 22:55:39 C 22 04 52.88 +32 56 32.6 X 595
2021-08-21 23:16:49 C 22 04 45.65 +32 57 38.9 X 595
2021-08-22 09:42:49 C 22 01 28.484 +33 29 52.77 U F52
2021-08-22 09:52:56 C 22 01 25.065 +33 30 22.99 U F52
2021-08-22 10:03:10 C 22 01 21.614 +33 30 53.30 U F52
2021-08-23 11:25:49 C 21 53 35.37 +34 41 13.1 V T08
2021-08-23 11:29:58 C 21 53 34.02 +34 41 23.3 V T08
2021-08-23 11:47:13 C 21 53 28.62 +34 42 07.1 V T08
2021-08-23 12:01:16 C 21 53 24.17 +34 42 43.2 V T08