2021 JQ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8992880773 ± 1.09e-05
Semi-major axis (a)2.3582850451 AU ± 1.45e-04
Inclination (i)51.66932233° ± 4.72e-03
Long. of Asc. Node (Ω)36.74479023° ± 8.44e-04
Arg. of Perihelion (ω)326.09484126° ± 7.58e-04
Mean Anomaly (M)55.75148401° ± 3.85e-02
Mean Motion (n)0.2721559483°/day ± 2.52e-05
Perihelion dist (q)0.23750742 AU ± 2.95e-05
Aphelion dist (Q)4.47906267 AU ± 2.77e-04
Orbital Period3.62154967 yr ± 3.35e-04
Physical Parameters
H (abs. magnitude)19.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.087″
Uncertainty2
Orbit TypeApollo
MOID0.234198 AU
Observations Used22
Oppositions1
Arc Total2021-2021
First Observation Used2021-04-06
Last Observation Used2021-05-18
Observations (25)
Date Type RA Dec Mag Band Observatory
2021-04-06 13:08:27 C 14 42 54.215 -02 25 41.57 V F51
2021-04-06 13:26:33 C 14 42 52.963 -02 25 38.15 V F51
2021-04-06 13:44:36 C 14 42 51.692 -02 25 34.24 V F51
2021-04-06 14:02:38 C 14 42 50.447 -02 25 30.57 V F51
2021-04-19 10:51:05 C 14 17 49.744 -01 19 09.86 V F51
2021-04-19 11:07:58 C 14 17 48.167 -01 19 06.55 V F51
2021-04-19 11:24:47 C 14 17 46.572 -01 19 02.86 V F51
2021-05-08 08:28:32 C 13 30 37.178 +00 04 58.33 U F51
2021-05-08 09:00:09 C 13 30 33.649 +00 05 02.57 U F51
2021-05-08 09:15:57 C 13 30 31.898 +00 05 04.53 U F51
2021-05-09 06:42:08 C 13 28 10.875 +00 07 50.31 V 568
2021-05-09 06:43:53 C 13 28 10.683 +00 07 50.47 V 568
2021-05-09 06:45:38 C 13 28 10.485 +00 07 50.71 V 568
2021-05-10 03:58:13 C 13 25 50.70 +00 10 24.0 u H21
2021-05-10 04:05:49 C 13 25 49.87 +00 10 24.8 u H21
2021-05-10 08:12:57 C 13 25 22.791 +00 10 55.15 V F51
2021-05-10 08:34:18 C 13 25 20.406 +00 10 57.54 V F51
2021-05-10 08:55:33 C 13 25 18.044 +00 11 00.05 V F51
2021-05-11 04:38:39 C 13 23 08.67 +00 13 11.6 V H01
2021-05-11 04:57:32 C 13 23 06.57 +00 13 13.8 V H01
2021-05-11 05:04:49 C 13 23 05.76 +00 13 14.7 V H01
2021-05-11 05:13:47 C 13 23 04.76 +00 13 15.7 V H01
2021-05-18 05:17:51 C 13 05 04.02 +00 26 06.9 V V00
2021-05-18 05:24:55 C 13 05 03.33 +00 26 07.8 V V00
2021-05-18 05:31:58 C 13 05 02.59 +00 26 08.2 V V00