2021 CH1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5331356204 ± 4.84e-04
Semi-major axis (a)0.7505805535 AU ± 3.55e-05
Inclination (i)30.19677464° ± 7.41e-02
Long. of Asc. Node (Ω)134.78950433° ± 1.49e-03
Arg. of Perihelion (ω)202.63794237° ± 1.21e-02
Mean Anomaly (M)253.60361248° ± 2.69e-01
Mean Motion (n)1.5157106905°/day ± 1.08e-04
Perihelion dist (q)0.35041932 AU ± 3.63e-04
Aphelion dist (Q)1.15074178 AU ± 3.67e-04
Orbital Period0.65027336 yr ± 4.62e-05
Physical Parameters
H (abs. magnitude)24.58
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.247″
Uncertainty3
Orbit TypeAten
MOID0.053995 AU
Observations Used19
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-05
Last Observation Used2021-02-08
Observations (19)
Date Type RA Dec Mag Band Observatory
2021-02-05 04:42:47 C 08 09 59.62 +22 38 14.8 V G96
2021-02-05 04:50:49 C 08 09 54.84 +22 39 56.1 V G96
2021-02-05 04:58:52 C 08 09 50.02 +22 41 37.4 V G96
2021-02-05 05:06:54 C 08 09 45.26 +22 43 18.0 V G96
2021-02-05 07:45:53 C 08 08 10.74 +23 16 01.9 V I52
2021-02-05 07:47:20 C 08 08 09.88 +23 16 19.6 V I52
2021-02-05 07:48:47 C 08 08 09.03 +23 16 36.9 V I52
2021-02-05 23:38:36 C 07 59 36.59 +26 17 25.4 V J95
2021-02-05 23:50:33 C 07 59 30.08 +26 19 33.5 V J95
2021-02-05 23:57:15 C 07 59 26.46 +26 20 45.3 V J95
2021-02-06 03:13:31 C 07 57 50.89 +26 55 39.4 V I52
2021-02-06 03:15:16 C 07 57 50.01 +26 55 57.3 V I52
2021-02-06 03:17:00 C 07 57 49.06 +26 56 15.1 V I52
2021-02-07 02:37:36 C 07 46 28.85 +30 37 06.2 V I52
2021-02-07 02:40:01 C 07 46 27.69 +30 37 27.0 V I52
2021-02-07 02:42:26 C 07 46 26.52 +30 37 48.1 V I52
2021-02-08 02:57:16 C 07 35 54.63 +33 46 23.1 V I52
2021-02-08 03:00:18 C 07 35 53.34 +33 46 45.1 V I52
2021-02-08 03:03:19 C 07 35 52.03 +33 47 06.6 V I52