2021 CB9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3476360325 ± 6.08e-06
Semi-major axis (a)1.6277079626 AU ± 1.67e-05
Inclination (i)3.40709993° ± 4.94e-05
Long. of Asc. Node (Ω)165.22704628° ± 2.06e-05
Arg. of Perihelion (ω)28.24290946° ± 6.53e-05
Mean Anomaly (M)83.34111589° ± 1.24e-02
Mean Motion (n)0.4746216493°/day ± 7.28e-06
Perihelion dist (q)1.06185802 AU ± 1.47e-05
Aphelion dist (Q)2.19355790 AU ± 2.45e-05
Orbital Period2.07665682 yr ± 3.19e-05
Physical Parameters
H (abs. magnitude)24.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.223″
Uncertainty2
Orbit TypeAmor
MOID0.068171 AU
Observations Used87
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-13
Last Observation Used2021-05-13
Observations (87)
Date Type RA Dec Mag Band Observatory
2021-02-13 08:47:26 C 09 54 16.82 +04 27 36.6 V V00
2021-02-13 08:55:05 C 09 54 17.03 +04 27 38.4 V V00
2021-02-13 09:02:42 C 09 54 17.21 +04 27 40.3 V V00
2021-02-13 09:10:20 C 09 54 17.40 +04 27 42.0 V V00
2021-02-13 11:06:12 C 09 54 20.58 +04 28 08.1 o 691
2021-02-13 11:28:58 C 09 54 21.26 +04 28 14.0 o 691
2021-02-14 05:22:56 C 09 55 04.40 +04 33 32.4 V 807
2021-02-14 05:28:32 C 09 55 04.54 +04 33 33.8 V 807
2021-02-14 05:34:08 C 09 55 04.68 +04 33 35.2 V 807
2021-02-15 04:49:11 C 09 56 00.75 +04 39 52.9 V 807
2021-02-15 04:55:21 C 09 56 00.92 +04 39 54.6 V 807
2021-02-15 05:01:48 C 09 56 01.10 +04 39 56.5 V 807
2021-02-15 06:22:12 C 09 56 05.41 +04 39 25.3 V I52
2021-02-15 06:37:30 C 09 56 05.79 +04 39 29.9 V I52
2021-02-15 06:52:48 C 09 56 06.27 +04 39 34.3 V I52
2021-02-17 11:16:43 C 09 58 20.925 +04 56 13.46 U F51
2021-02-17 11:53:34 C 09 58 22.068 +04 56 25.90 U F51
2021-02-17 12:11:52 C 09 58 22.644 +04 56 32.16 U F51
2021-02-19 05:48:14 C 10 00 23.14 +05 12 45.9 u 807
2021-02-19 05:58:24 C 10 00 23.48 +05 12 49.6 u 807
2021-02-19 06:07:00 C 10 00 23.82 +05 12 52.4 u 807
2021-02-20 05:51:34 C 10 01 37.85 +05 22 37.9 u 807
2021-02-20 06:00:46 C 10 01 38.22 +05 22 41.8 u 807
2021-02-20 06:09:37 C 10 01 38.58 +05 22 45.5 u 807
2021-02-21 05:12:26 C 10 02 55.18 +05 32 53.4 u 807
2021-02-21 05:21:27 C 10 02 55.56 +05 32 57.4 u 807
2021-02-21 05:30:02 C 10 02 55.94 +05 33 01.0 u 807
2021-03-03 03:29:25 C 10 21 17.23 +07 58 09.4 u 807
2021-03-03 03:33:44 C 10 21 17.56 +07 58 12.9 u 807
2021-03-03 03:38:13 C 10 21 17.96 +07 58 16.4 u 807
2021-03-03 04:00:48 C 10 21 22.49 +07 57 12.8 V I52
2021-03-03 04:03:01 C 10 21 22.67 +07 57 14.4 V I52
2021-03-03 04:05:13 C 10 21 22.94 +07 57 15.9 V I52
2021-03-06 06:10:11 C 10 29 39.49 +08 58 30.3 V G96
2021-03-06 06:17:41 C 10 29 40.27 +08 58 37.5 V G96
2021-03-06 06:25:09 C 10 29 41.01 +08 58 43.8 V G96
2021-03-06 06:32:39 C 10 29 41.76 +08 58 50.8 V G96
2021-03-15 06:06:45 C 11 04 18.81 +12 37 56.5 o 711
2021-03-15 06:11:33 C 11 04 19.69 +12 38 01.9 o 711
2021-03-15 06:16:20 C 11 04 20.56 +12 38 07.0 o 711
2021-03-15 06:33:05 C 11 04 24.28 +12 38 24.4 o 691
2021-03-15 06:41:43 C 11 04 25.84 +12 38 33.9 o 691
2021-03-15 06:50:21 C 11 04 27.35 +12 38 43.8 o 691
2021-03-15 08:00:42 C 11 04 44.724 +12 40 19.65 U F52
2021-03-15 08:18:21 C 11 04 47.885 +12 40 40.01 U F52
2021-03-15 08:53:30 C 11 04 54.163 +12 41 20.73 U F52
2021-03-19 07:14:36 C 11 26 16.15 +14 28 43.6 V G96
2021-03-19 07:22:07 C 11 26 17.80 +14 28 52.2 V G96
2021-03-19 07:29:38 C 11 26 19.46 +14 29 00.7 V G96
2021-03-19 07:39:06 C 11 26 21.56 +14 29 11.2 V G96