IAA RAS IAA Minor Planet Database

2019 GJ21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5399454123 ± 2.00e+00
Semi-major axis (a)2.2806347960 AU ± 3.00e+00
Inclination (i)6.16279370° ± 4.00e+00
Long. of Asc. Node (Ω)43.19119723° ± 5.00e+00
Arg. of Perihelion (ω)134.86514806° ± 6.00e+00
Mean Anomaly (M)337.19132048° ± 8.92e-02
Mean Motion (n)0.2862130400°/day ± 5.65e-01
Perihelion dist (q)1.04921450 AU ± 4.77e+00
Aphelion dist (Q)3.51157230 AU ± 6.49e+00
Orbital Period3.44361560 yr ± 6.79e+00
Physical Parameters
H (abs. magnitude)23.87
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.305″
Uncertainty2
Orbit TypeAmor
MOID0.083190 AU
Observations Used77
Oppositions1
Arc Total2019-2019
First Observation Used—
Last Observation Used2019-05-14
Observations (79)
Date Type RA Dec Mag Band Observatory
2019-04-14 03:35:11 C 12 54 10.32 +23 19 58.7 – V G96
2019-04-14 03:44:50 C 12 54 12.68 +23 19 00.6 – V G96
2019-04-14 03:52:18 C 12 54 14.50 +23 18 15.1 – V G96
2019-04-14 03:59:49 C 12 54 16.31 +23 17 30.1 – V G96
2019-04-14 04:36:33 C 12 54 24.74 +23 13 45.7 – V H01
2019-04-14 04:45:51 C 12 54 26.95 +23 12 49.2 – V H01
2019-04-14 04:59:57 C 12 54 30.28 +23 11 23.4 – V H01
2019-04-14 05:12:14 C 12 54 33.19 +23 10 08.6 – V H01
2019-04-14 07:16:31 C 12 55 02.60 +22 57 29.4 – V I52
2019-04-14 07:17:11 C 12 55 02.76 +22 57 25.3 – V I52
2019-04-14 07:17:53 C 12 55 02.90 +22 57 21.2 – V I52
2019-04-14 07:18:33 C 12 55 03.07 +22 57 16.8 – V I52
2019-04-14 10:26:40 C 12 55 47.43 +22 37 50.6 – V I52
2019-04-14 10:27:21 C 12 55 47.59 +22 37 46.1 – V I52
2019-04-14 10:28:02 C 12 55 47.76 +22 37 41.9 – V I52
2019-04-14 10:28:43 C 12 55 47.88 +22 37 37.8 – V I52
2019-04-14 21:10:53 C 12 58 36.38 +21 31 58.2 – V L01
2019-04-14 21:14:18 C 12 58 37.13 +21 31 37.8 – V L01
2019-04-14 21:18:20 C 12 58 38.12 +21 31 12.7 – V L01
2019-04-14 21:23:18 C 12 58 39.26 +21 30 42.4 – V L01
2019-04-15 03:06:46 C 13 00 07.67 +20 55 57.5 – o 695
2019-04-15 03:09:12 C 13 00 08.23 +20 55 43.2 – o 695
2019-04-15 03:11:37 C 13 00 08.80 +20 55 28.5 – o 695
2019-04-15 06:46:54 C 13 00 57.12 +20 33 48.5 – V I52
2019-04-15 06:50:04 C 13 00 57.79 +20 33 31.0 – V I52
2019-04-15 06:52:08 C 13 00 58.21 +20 33 18.4 – V I52
2019-04-15 06:52:44 C 13 00 58.35 +20 33 14.9 – V I52
2019-04-16 04:02:00 C 13 06 04.47 +18 25 29.2 – V I52
2019-04-16 04:02:36 C 13 06 04.73 +18 25 24.9 – V I52
2019-04-16 04:03:48 C 13 06 05.10 +18 25 18.9 – V I52
2019-04-19 03:48:07 C 13 21 28.14 +11 31 08.5 – V H01
2019-04-19 03:52:39 C 13 21 28.97 +11 30 43.9 – V H01
2019-04-19 04:11:09 C 13 21 32.32 +11 29 02.6 – V H01
2019-04-19 04:19:23 C 13 21 33.80 +11 28 17.6 – V H01
2019-04-20 20:51:30 C 13 29 10.62 +07 51 15.5 – V J95
2019-04-20 21:08:21 C 13 29 13.46 +07 49 48.6 – V J95
2019-04-20 22:25:58 C 13 29 26.30 +07 43 09.6 – V J95
2019-04-20 23:01:37 C 13 29 32.14 +07 40 06.1 – V J95
2019-04-21 04:09:02 C 13 30 27.54 +07 14 02.9 – u H21
2019-04-21 04:21:04 C 13 30 29.40 +07 13 02.1 – u H21
2019-04-21 04:30:10 C 13 30 30.85 +07 12 15.7 – u H21
2019-04-21 20:13:05 C 13 33 15.32 +05 53 00.5 – q A17
2019-04-21 20:36:20 C 13 33 19.00 +05 51 06.5 – q A17
2019-04-21 21:00:19 C 13 33 22.72 +05 49 07.2 – q A17
2019-04-21 23:34:12 C 13 33 47.13 +05 36 26.3 – V J95
2019-04-21 23:53:16 C 13 33 50.00 +05 34 52.0 – V J95
2019-04-22 00:15:21 C 13 33 53.44 +05 33 04.1 – V J95
2019-04-25 06:27:36 C 13 45 57.41 -00 22 34.4 – V G96
2019-04-25 06:35:02 C 13 45 58.33 -00 23 05.2 – V G96
2019-04-25 06:42:24 C 13 45 59.22 -00 23 36.7 – V G96