2021 CR9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2366169241 ± 6.73e-05
Semi-major axis (a)0.9155796433 AU ± 9.65e-06
Inclination (i)10.70129531° ± 3.79e-03
Long. of Asc. Node (Ω)332.16799472° ± 6.29e-04
Arg. of Perihelion (ω)14.35242276° ± 1.59e-03
Mean Anomaly (M)309.25076668° ± 3.81e-02
Mean Motion (n)1.1250403113°/day ± 1.78e-05
Perihelion dist (q)0.69893800 AU ± 6.21e-05
Aphelion dist (Q)1.13222128 AU ± 6.28e-05
Orbital Period0.87608086 yr ± 1.39e-05
Physical Parameters
H (abs. magnitude)24.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.309″
Uncertainty2
Orbit TypeAten
MOID0.108357 AU
Observations Used39
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-12
Last Observation Used2021-03-12
Observations (39)
Date Type RA Dec Mag Band Observatory
2021-02-12 14:08:52 C 11 45 49.515 +09 16 38.96 U F51
2021-02-12 14:25:50 C 11 45 44.956 +09 16 21.15 U F51
2021-02-12 14:59:41 C 11 45 35.877 +09 15 45.32 U F51
2021-02-14 15:25:48 C 11 32 53.714 +08 24 00.98 V 568
2021-02-14 15:27:14 C 11 32 53.318 +08 23 59.34 V 568
2021-02-14 15:28:40 C 11 32 52.905 +08 23 57.84 V 568
2021-02-15 05:44:35 C 11 29 04.54 +08 09 06.7 V 807
2021-02-15 05:53:53 C 11 29 01.86 +08 08 56.4 V 807
2021-02-15 06:03:11 C 11 28 59.16 +08 08 46.1 V 807
2021-02-19 06:25:05 C 11 01 41.59 +06 17 30.0 u 807
2021-02-19 06:34:22 C 11 01 38.74 +06 17 19.3 u 807
2021-02-19 06:43:37 C 11 01 35.93 +06 17 08.9 u 807
2021-02-20 06:26:17 C 10 54 41.56 +05 48 49.4 u 807
2021-02-20 06:33:59 C 10 54 39.20 +05 48 39.9 u 807
2021-02-20 06:41:27 C 10 54 36.92 +05 48 31.5 u 807
2021-02-20 10:09:12 C 10 53 35.57 +05 43 16.5 o 291
2021-02-20 10:16:27 C 10 53 33.34 +05 43 07.6 o 291
2021-02-20 10:23:44 C 10 53 31.11 +05 42 58.5 o 291
2021-02-20 12:05:45 C 10 53 00.12 +05 40 53.0 V I52
2021-02-20 12:16:03 C 10 52 57.00 +05 40 40.8 V I52
2021-02-20 12:21:12 C 10 52 55.52 +05 40 35.2 V I52
2021-02-22 06:18:44 C 10 40 41.31 +04 51 16.6 u 807
2021-02-22 06:24:28 C 10 40 39.58 +04 51 09.4 u 807
2021-02-22 06:30:12 C 10 40 37.82 +04 51 02.0 u 807
2021-02-23 06:25:32 C 10 33 42.06 +04 21 12.3 V I52
2021-02-23 06:29:48 C 10 33 40.80 +04 21 06.9 V I52
2021-02-23 06:34:03 C 10 33 39.45 +04 21 01.8 V I52
2021-02-25 05:56:55 C 10 20 00.07 +03 25 51.0 V 807
2021-02-25 06:04:25 C 10 19 57.81 +03 25 41.7 V 807
2021-02-25 06:11:43 C 10 19 55.66 +03 25 33.1 V 807
2021-03-03 08:28:28 C 09 41 04.80 +00 43 49.7 V V06
2021-03-03 08:34:53 C 09 41 03.16 +00 43 43.4 V V06
2021-03-03 08:41:17 C 09 41 01.53 +00 43 36.5 V V06
2021-03-07 04:19:50 C 09 20 22.23 -00 41 40.1 u H21
2021-03-07 04:27:25 C 09 20 20.58 -00 41 46.5 u H21
2021-03-07 04:35:01 C 09 20 18.89 -00 41 52.8 u H21
2021-03-12 02:50:02 C 08 58 30.49 -02 11 00.2 V 807
2021-03-12 03:00:08 C 08 58 28.74 -02 11 06.8 V 807
2021-03-12 03:09:58 C 08 58 27.02 -02 11 13.4 V 807