2021 CJ9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1592766463 ± 3.07e-04
Semi-major axis (a)1.4365974226 AU ± 7.51e-04
Inclination (i)25.58330429° ± 2.13e-02
Long. of Asc. Node (Ω)131.45811576° ± 3.13e-03
Arg. of Perihelion (ω)6.17171857° ± 1.81e-02
Mean Anomaly (M)277.23212469° ± 7.71e-01
Mean Motion (n)0.5724132153°/day ± 4.49e-04
Perihelion dist (q)1.20778100 AU ± 7.71e-04
Aphelion dist (Q)1.66541384 AU ± 9.76e-04
Orbital Period1.72187898 yr ± 1.35e-03
Physical Parameters
H (abs. magnitude)23.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.298″
Uncertainty3
Orbit TypeAmor
MOID0.223065 AU
Observations Used20
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-05
Last Observation Used2021-02-15
Observations (20)
Date Type RA Dec Mag Band Observatory
2021-02-05 03:42:12 C 07 35 12.74 +21 54 14.9 V G96
2021-02-05 03:50:16 C 07 35 12.53 +21 54 51.0 V G96
2021-02-08 03:51:12 C 07 33 44.24 +27 06 23.1 V G96
2021-02-08 03:57:16 C 07 33 44.10 +27 06 49.1 V G96
2021-02-08 04:03:21 C 07 33 43.87 +27 07 15.3 V G96
2021-02-10 06:16:00 C 07 33 02.551 +30 31 47.51 V F51
2021-02-10 06:32:49 C 07 33 02.205 +30 32 54.93 V F51
2021-02-10 06:49:36 C 07 33 01.855 +30 34 01.56 V F51
2021-02-15 07:20:10 C 07 32 38.18 +37 52 08.8 V V00
2021-02-15 07:27:01 C 07 32 38.13 +37 52 31.3 V V00
2021-02-15 07:33:52 C 07 32 38.13 +37 52 53.9 V V00
2021-02-15 07:40:42 C 07 32 38.11 +37 53 16.2 V V00
2021-02-15 08:47:57 C 07 32 37.99 +37 56 55.1 V V00
2021-02-15 08:49:13 C 07 32 38.01 +37 56 59.1 V V00
2021-02-15 08:50:28 C 07 32 38.04 +37 57 03.3 V V00
2021-02-15 08:51:44 C 07 32 38.01 +37 57 07.3 V V00
2021-02-15 18:26:38 C 07 32 44.70 +38 28 27.9 V L01
2021-02-15 20:02:03 C 07 32 44.65 +38 33 41.0 V L01
2021-02-15 20:08:13 C 07 32 44.71 +38 34 01.1 V L01
2021-02-15 20:14:24 C 07 32 44.71 +38 34 21.6 V L01