2021 CF9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2807788356 ± 5.02e-08
Semi-major axis (a)1.0900392949 AU ± 2.10e-09
Inclination (i)22.27890651° ± 5.74e-06
Long. of Asc. Node (Ω)118.96496534° ± 7.76e-06
Arg. of Perihelion (ω)223.63748732° ± 1.53e-05
Mean Anomaly (M)233.94774040° ± 1.54e-05
Mean Motion (n)0.8660621225°/day ± 2.50e-09
Perihelion dist (q)0.78397933 AU ± 5.47e-08
Aphelion dist (Q)1.39609926 AU ± 5.48e-08
Orbital Period1.13805495 yr ± 3.28e-09
Physical Parameters
H (abs. magnitude)21.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.209″
Uncertainty0
Orbit TypeApollo
MOID0.168547 AU
Observations Used61
Oppositions2
Arc Total2005-2022
First Observation Used2005-01-19
Last Observation Used2022-01-09
Observations (68)
Date Type RA Dec Mag Band Observatory
2005-01-19 11:15:32 C 10 18 25.19 +23 01 59.3 n 645
2005-01-19 11:16:07 C 10 18 25.21 +23 01 59.4 n 645
2005-01-19 11:16:43 C 10 18 25.10 +23 02 02.6 n 645
2005-01-19 11:17:19 C 10 18 25.09 +23 02 02.5 n 645
2005-01-19 11:20:18 C 10 18 24.80 +23 02 12.5 n 645
2005-01-19 11:20:54 C 10 18 24.82 +23 02 12.3 n 645
2013-01-31 14:21:34 C 11 30 26.051 +31 56 05.98 V F51
2013-01-31 14:39:43 C 11 30 25.196 +31 56 47.58 V F51
2013-02-03 14:22:25 C 11 26 59.110 +34 42 07.40 V F51
2013-02-03 14:39:33 C 11 26 58.102 +34 42 46.51 V F51
2013-02-15 13:49:06 C 11 04 47.516 +44 47 56.31 V F51
2013-02-15 14:05:57 C 11 04 45.716 +44 48 26.69 V F51
2014-01-20 07:53:08 C 03 47 02.228 +00 09 23.86 V F51
2014-01-20 08:10:14 C 03 47 03.553 +00 10 20.94 V F51
2020-04-16 14:21:42 C 18 05 52.692 +40 17 37.88 V F52
2020-04-16 14:33:05 C 18 05 53.713 +40 17 51.91 V F52
2020-04-16 14:44:31 C 18 05 54.793 +40 18 06.35 V F52
2020-04-27 13:14:56 C 18 33 16.024 +45 47 18.24 V F52
2020-04-27 13:34:39 C 18 33 18.055 +45 47 42.94 V F52
2020-12-12 14:38:09 C 11 26 40.198 +04 01 39.21 V F52
2020-12-23 15:12:38 C 11 47 46.177 +06 40 44.85 V F52
2020-12-23 15:27:46 C 11 47 47.277 +06 40 55.71 V F52
2020-12-23 15:42:52 C 11 47 48.374 +06 41 06.79 V F52
2021-02-11 11:55:26 C 12 37 47.42 +35 39 37.4 V V00
2021-02-11 12:02:19 C 12 37 47.26 +35 39 51.2 V V00
2021-02-11 12:09:10 C 12 37 47.13 +35 40 05.3 V V00
2021-02-11 12:16:00 C 12 37 46.99 +35 40 18.9 V V00
2021-02-12 09:07:49 C 12 37 26.90 +36 23 03.0 o 291
2021-02-12 09:18:13 C 12 37 26.62 +36 23 24.4 o 291
2021-02-12 09:28:39 C 12 37 26.42 +36 23 46.4 o 291
2021-02-13 11:51:46 C 12 36 53.27 +37 17 47.1 V 291
2021-02-13 12:09:47 C 12 36 52.76 +37 18 24.0 V 291
2021-02-13 12:27:50 C 12 36 52.27 +37 19 00.1 V 291
2021-02-15 08:05:45 C 12 35 45.95 +38 47 47.0 V G96
2021-02-15 08:14:09 C 12 35 45.65 +38 48 04.3 V G96
2021-02-15 08:22:34 C 12 35 45.42 +38 48 21.1 V G96
2021-02-15 08:31:01 C 12 35 45.07 +38 48 38.8 V G96
2021-02-16 12:36:04 C 12 34 51.751 +39 45 21.94 U F51
2021-02-16 12:53:05 C 12 34 51.080 +39 45 56.06 U F51
2021-02-16 13:08:40 C 12 34 50.464 +39 46 27.45 U F51
2021-02-18 11:38:35 C 12 33 05.43 +41 18 56.6 V V06
2021-02-18 12:01:02 C 12 33 04.38 +41 19 40.8 V V06
2021-02-19 09:29:04 C 12 32 09.77 +42 01 47.1 V V06
2021-02-19 09:32:30 C 12 32 09.59 +42 01 53.3 V V06
2021-02-19 09:39:21 C 12 32 09.34 +42 02 07.0 V V06
2021-03-05 06:11:21 C 12 08 29.19 +51 25 04.6 u H21
2021-03-05 06:21:42 C 12 08 28.17 +51 25 19.3 u H21
2021-03-05 06:26:10 C 12 08 27.72 +51 25 25.4 u H21
2021-03-06 05:50:15 C 12 06 11.42 +51 56 41.9 u H21
2021-03-06 06:01:34 C 12 06 10.17 +51 56 56.1 u H21