2021 CN9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0759775459 ± 1.75e-05
Semi-major axis (a)1.1472681101 AU ± 3.75e-05
Inclination (i)12.23544981° ± 3.42e-03
Long. of Asc. Node (Ω)138.41441476° ± 1.85e-03
Arg. of Perihelion (ω)191.90152479° ± 4.65e-03
Mean Anomaly (M)135.58580355° ± 6.98e-02
Mean Motion (n)0.8020748399°/day ± 3.94e-05
Perihelion dist (q)1.06010149 AU ± 4.01e-05
Aphelion dist (Q)1.23443473 AU ± 4.51e-05
Orbital Period1.22884578 yr ± 6.03e-05
Physical Parameters
H (abs. magnitude)23.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.258″
Uncertainty2
Orbit TypeAmor
MOID0.046403 AU
Observations Used29
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-12
Last Observation Used2021-03-07
Observations (29)
Date Type RA Dec Mag Band Observatory
2021-02-12 14:05:01 C 11 23 51.439 +14 46 55.73 U F51
2021-02-12 14:21:59 C 11 23 50.922 +14 47 32.57 U F51
2021-02-12 14:38:54 C 11 23 50.399 +14 48 09.76 U F51
2021-02-12 14:55:50 C 11 23 49.889 +14 48 46.22 U F51
2021-02-14 06:45:59 C 11 22 51.28 +16 17 27.4 V 807
2021-02-14 06:51:34 C 11 22 51.08 +16 17 40.1 V 807
2021-02-14 06:57:10 C 11 22 50.88 +16 17 52.4 V 807
2021-02-14 15:11:26 C 11 22 35.833 +16 35 50.89 V 568
2021-02-14 15:12:50 C 11 22 35.763 +16 35 53.96 V 568
2021-02-14 15:14:15 C 11 22 35.728 +16 35 57.15 V 568
2021-02-14 15:15:53 C 11 22 35.673 +16 36 00.84 V 568
2021-02-18 09:41:31 C 11 19 36.97 +20 01 35.4 V V06
2021-02-18 09:46:05 C 11 19 36.78 +20 01 46.3 V V06
2021-02-19 09:41:56 C 11 18 40.63 +20 56 40.8 o 291
2021-02-19 09:58:38 C 11 18 39.82 +20 57 17.8 o 291
2021-03-03 04:53:27 C 11 04 08.23 +31 12 40.0 u H21
2021-03-03 05:00:09 C 11 04 07.77 +31 12 52.5 u H21
2021-03-03 12:05:11 C 11 03 39.81 +31 26 37.1 V 291
2021-03-03 12:18:30 C 11 03 38.94 +31 27 01.9 V 291
2021-03-03 12:31:51 C 11 03 38.09 +31 27 27.1 V 291
2021-03-06 04:24:25 C 10 59 50.13 +33 26 27.3 u H21
2021-03-06 04:31:49 C 10 59 49.63 +33 26 41.7 u H21
2021-03-06 04:39:06 C 10 59 49.09 +33 26 55.3 u H21
2021-03-07 05:00:54 C 10 58 20.11 +34 09 38.8 u H21
2021-03-07 05:17:58 C 10 58 18.92 +34 10 08.4 u H21
2021-03-07 05:26:21 C 10 58 18.33 +34 10 22.9 u H21
2021-03-07 05:58:42 C 10 58 16.11 +34 11 18.6 u H21
2021-03-07 06:13:55 C 10 58 15.04 +34 11 44.6 u H21
2021-03-07 06:22:19 C 10 58 14.44 +34 11 58.9 u H21