2021 QJ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4868759971 ± 7.60e-04
Semi-major axis (a)2.2626786862 AU ± 3.91e-03
Inclination (i)6.86250041° ± 1.02e-02
Long. of Asc. Node (Ω)235.11372589° ± 5.05e-02
Arg. of Perihelion (ω)59.94684848° ± 5.69e-02
Mean Anomaly (M)101.10361925° ± 1.20e+00
Mean Motion (n)0.2895862568°/day ± 7.51e-04
Perihelion dist (q)1.16103474 AU ± 2.64e-03
Aphelion dist (Q)3.36432263 AU ± 6.07e-03
Orbital Period3.40356719 yr ± 8.83e-03
Physical Parameters
H (abs. magnitude)22.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.322″
Uncertainty4
Orbit TypeAmor
MOID0.178903 AU
Observations Used33
Oppositions1
Arc Total2021-2021
First Observation Used2021-08-31
Last Observation Used2021-09-26
Observations (33)
Date Type RA Dec Mag Band Observatory
2021-08-31 11:46:52 C 22 06 50.739 +20 38 36.88 U F52
2021-08-31 12:06:31 C 22 06 51.463 +20 38 18.83 U F52
2021-08-31 12:26:13 C 22 06 52.194 +20 38 00.57 U F52
2021-08-31 21:51:51 C 22 07 18.61 +20 29 19.2 V 033
2021-08-31 21:55:25 C 22 07 18.74 +20 29 16.2 V 033
2021-08-31 21:58:59 C 22 07 18.88 +20 29 12.8 V 033
2021-09-01 20:12:59 C 22 08 17.55 +20 09 03.0 V 033
2021-09-01 20:16:33 C 22 08 17.69 +20 08 59.7 V 033
2021-09-01 20:20:07 C 22 08 17.82 +20 08 56.6 V 033
2021-09-01 21:57:14 C 22 08 21.48 +20 07 31.5 V L01
2021-09-01 22:01:29 C 22 08 21.68 +20 07 27.5 V L01
2021-09-01 22:05:59 C 22 08 21.84 +20 07 23.5 V L01
2021-09-01 22:10:28 C 22 08 22.02 +20 07 19.3 V L01
2021-09-01 22:14:24 C 22 08 22.16 +20 07 15.5 V L01
2021-09-02 03:19:56 C 22 08 35.99 +20 02 38.8 u H21
2021-09-02 03:32:01 C 22 08 36.44 +20 02 27.5 u H21
2021-09-02 07:34:07 C 22 08 46.11 +19 58 43.5 L 658
2021-09-02 07:38:56 C 22 08 46.30 +19 58 39.2 L 658
2021-09-02 07:43:45 C 22 08 46.49 +19 58 34.8 L 658
2021-09-02 07:48:34 C 22 08 46.70 +19 58 30.5 L 658
2021-09-02 19:50:46 C 22 09 18.65 +19 47 26.0 V K51
2021-09-02 19:56:02 C 22 09 18.84 +19 47 20.9 V K51
2021-09-02 20:01:18 C 22 09 19.05 +19 47 16.2 V K51
2021-09-02 21:01:37 C 22 09 21.32 +19 46 23.1 V 104
2021-09-02 21:09:38 C 22 09 21.62 +19 46 15.5 V 104
2021-09-02 21:17:39 C 22 09 21.92 +19 46 08.2 V 104
2021-09-07 05:19:59 C 22 13 41.88 +18 08 55.1 V G96
2021-09-07 05:28:11 C 22 13 42.18 +18 08 47.4 V G96
2021-09-07 05:36:22 C 22 13 42.43 +18 08 39.8 V G96
2021-09-07 05:44:33 C 22 13 42.70 +18 08 32.1 V G96
2021-09-26 02:31:26 C 22 32 04.91 +11 23 43.1 u H21
2021-09-26 02:43:55 C 22 32 05.38 +11 23 32.8 u H21
2021-09-26 02:55:44 C 22 32 05.81 +11 23 23.7 u H21