2021 GX4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4398079778 ± 3.22e-05
Semi-major axis (a)2.2424584820 AU ± 1.51e-04
Inclination (i)1.99690934° ± 9.75e-05
Long. of Asc. Node (Ω)59.61826005° ± 1.12e-04
Arg. of Perihelion (ω)188.02752747° ± 3.92e-04
Mean Anomaly (M)121.12553298° ± 4.85e-02
Mean Motion (n)0.2935118634°/day ± 2.96e-05
Perihelion dist (q)1.25620735 AU ± 1.11e-04
Aphelion dist (Q)3.22870961 AU ± 2.29e-04
Orbital Period3.35804581 yr ± 3.39e-04
Physical Parameters
H (abs. magnitude)22.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.268″
Uncertainty2
Orbit TypeAmor
MOID0.241708 AU
Observations Used51
Oppositions1
Arc Total2021-2021
First Observation Used2021-04-07
Last Observation Used2021-06-17
Observations (51)
Date Type RA Dec Mag Band Observatory
2021-04-07 12:52:11 C 15 37 16.808 -15 57 41.53 U F51
2021-04-07 13:08:14 C 15 37 17.990 -15 57 46.96 U F51
2021-04-07 13:24:17 C 15 37 19.187 -15 57 52.80 U F51
2021-04-07 13:40:20 C 15 37 20.372 -15 57 58.50 U F51
2021-04-08 09:03:36 C 15 38 54.16 -16 04 53.5 V H01
2021-04-08 09:08:48 C 15 38 54.55 -16 04 55.3 V H01
2021-04-08 09:25:15 C 15 38 55.77 -16 05 01.2 V H01
2021-04-08 09:34:18 C 15 38 56.45 -16 05 04.4 V H01
2021-04-08 14:39:16 C 15 39 20.251 -16 06 48.06 V 568
2021-04-08 14:40:41 C 15 39 20.358 -16 06 48.55 V 568
2021-04-08 14:42:05 C 15 39 20.462 -16 06 49.06 V 568
2021-04-08 15:24:42 C 15 39 24.41 -16 06 42.5 V 474
2021-04-08 15:29:46 C 15 39 24.79 -16 06 44.1 V 474
2021-04-09 11:15:58 C 15 40 59.50 -16 14 10.9 o 691
2021-04-09 11:31:36 C 15 41 00.71 -16 14 16.5 o 691
2021-04-09 11:47:13 C 15 41 01.88 -16 14 21.9 o 691
2021-04-12 08:41:51 C 15 46 32.28 -16 38 44.8 u 807
2021-04-12 09:02:38 C 15 46 33.83 -16 38 53.6 u 807
2021-04-14 08:17:34 C 15 50 19.75 -16 56 08.5 u 807
2021-04-14 08:32:17 C 15 50 20.83 -16 56 14.3 u 807
2021-04-14 08:46:38 C 15 50 21.90 -16 56 19.1 u 807
2021-04-16 09:06:16 C 15 54 11.78 -17 14 12.5 u 807
2021-04-16 09:18:06 C 15 54 12.70 -17 14 16.4 u 807
2021-04-16 09:30:00 C 15 54 13.56 -17 14 21.3 u 807
2021-04-17 11:40:05 C 15 56 19.055 -17 24 31.76 U F51
2021-04-17 12:11:45 C 15 56 21.362 -17 24 43.72 U F51
2021-04-17 12:27:37 C 15 56 22.502 -17 24 49.79 U F51
2021-04-20 09:53:07 C 16 01 50.70 -17 51 24.2 V G96
2021-04-20 10:00:40 C 16 01 51.22 -17 51 26.9 V G96
2021-04-20 10:08:14 C 16 01 51.74 -17 51 30.7 V G96
2021-04-20 10:15:47 C 16 01 52.27 -17 51 33.0 V G96
2021-04-22 13:28:46 C 16 05 53.182 -18 11 29.98 U F51
2021-04-22 13:44:39 C 16 05 54.308 -18 11 36.27 U F51
2021-04-22 13:45:35 C 16 05 54.379 -18 11 36.62 U F51
2021-04-22 14:01:25 C 16 05 55.510 -18 11 42.46 U F51
2021-04-22 14:02:21 C 16 05 55.577 -18 11 43.05 U F51
2021-04-22 14:18:09 C 16 05 56.690 -18 11 48.79 U F51
2021-04-22 14:19:04 C 16 05 56.786 -18 11 49.33 U F51
2021-04-25 11:10:07 C 16 11 19.08 -18 39 26.9 V I52
2021-04-25 11:19:47 C 16 11 19.75 -18 39 31.1 V I52
2021-04-25 11:24:37 C 16 11 20.14 -18 39 33.3 V I52
2021-05-05 07:55:01 C 16 29 23.78 -20 19 55.6 V I52
2021-05-05 07:59:05 C 16 29 24.07 -20 19 58.0 V I52
2021-05-05 08:07:11 C 16 29 24.65 -20 20 01.9 V I52
2021-06-12 06:02:27 C 17 26 52.24 -26 56 39.6 V I52
2021-06-12 06:18:08 C 17 26 52.88 -26 56 45.3 V I52
2021-06-12 06:25:41 C 17 26 53.17 -26 56 47.8 V I52
2021-06-17 10:08:17 C 17 33 04.096 -27 35 03.82 U F51
2021-06-17 10:20:38 C 17 33 04.600 -27 35 07.24 U F51
2021-06-17 10:32:58 C 17 33 05.065 -27 35 10.62 U F51