IAA RAS IAA Minor Planet Database

2018 GB4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4906078685 ± 2.28e-05
Semi-major axis (a)2.3884761589 AU ± 1.02e-04
Inclination (i)39.64113683° ± 5.44e-04
Long. of Asc. Node (Ω)189.85493517° ± 3.18e-04
Arg. of Perihelion (ω)327.96877931° ± 3.21e-04
Mean Anomaly (M)42.34920665° ± 4.95e-02
Mean Motion (n)0.2670120802°/day ± 1.72e-05
Perihelion dist (q)1.21667096 AU ± 7.55e-05
Aphelion dist (Q)3.56028136 AU ± 1.62e-04
Orbital Period3.69131720 yr ± 2.38e-04
Physical Parameters
H (abs. magnitude)20.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.280″
Uncertainty2
Orbit TypeAmor
MOID0.271415 AU
Observations Used44
Oppositions1
Arc Total2018-2018
First Observation Used2018-04-10
Last Observation Used2018-06-16
Observations (46)
Date Type RA Dec Mag Band Observatory
2018-04-10 08:57:23 C 16 00 13.40 +22 46 24.3 – U G96
2018-04-10 09:04:48 C 16 00 13.27 +22 46 43.4 – U G96
2018-04-10 09:12:13 C 16 00 13.15 +22 47 02.1 – U G96
2018-04-10 09:19:36 C 16 00 13.02 +22 47 20.5 – U G96
2018-04-10 11:33:39 C 16 00 10.44 +22 52 59.3 – U I52
2018-04-10 11:36:20 C 16 00 10.36 +22 53 06.9 – U I52
2018-04-10 11:37:55 C 16 00 10.32 +22 53 11.4 – U I52
2018-04-10 11:39:02 C 16 00 10.35 +22 53 14.3 – U I52
2018-04-11 08:02:08 C 15 59 51.45 +23 44 09.3 – o 711
2018-04-11 08:06:54 C 15 59 51.39 +23 44 20.9 – o 711
2018-04-11 08:11:41 C 15 59 51.26 +23 44 32.6 – o 711
2018-04-11 10:01:13 C 15 59 49.02 +23 49 02.1 – U G96
2018-04-11 10:03:17 C 15 59 48.99 +23 49 07.2 – U G96
2018-04-11 10:05:21 C 15 59 48.94 +23 49 12.4 – U G96
2018-04-11 10:07:21 C 15 59 48.87 +23 49 17.4 – U G96
2018-04-11 11:25:08 C 15 59 47.22 +23 52 27.4 – U I52
2018-04-11 11:27:38 C 15 59 47.17 +23 52 34.5 – U I52
2018-04-11 11:28:29 C 15 59 47.12 +23 52 35.5 – U I52
2018-04-13 11:13:56 C 15 58 51.42 +25 46 20.2 – U I52
2018-04-13 11:19:54 C 15 58 51.24 +25 46 33.5 – U I52
2018-04-13 11:25:53 C 15 58 51.13 +25 46 47.5 – U I52
2018-04-15 08:30:29 C 15 57 48.23 +27 27 33.0 – o 711
2018-04-15 08:35:26 C 15 57 48.15 +27 27 44.4 – o 711
2018-04-15 08:40:19 C 15 57 47.92 +27 27 54.4 – o 711
2018-04-15 10:57:57 C 15 57 43.92 +27 32 50.9 – U H01
2018-04-15 11:03:35 C 15 57 43.76 +27 33 03.0 – U H01
2018-04-15 11:20:32 C 15 57 43.26 +27 33 39.3 – U H01
2018-04-15 11:27:52 C 15 57 43.05 +27 33 55.1 – U H01
2018-05-05 05:55:00 C 15 39 37.91 +39 02 38.6 – u H21
2018-05-05 06:12:57 C 15 39 37.04 +39 02 53.3 – u H21
2018-05-05 06:26:37 C 15 39 36.37 +39 03 04.4 – u H21
2018-05-06 04:55:55 C 15 38 36.68 +39 21 00.4 – u H21
2018-05-06 05:16:58 C 15 38 35.69 +39 21 16.7 – u H21
2018-05-06 05:41:52 C 15 38 34.49 +39 21 36.4 – u H21
2018-05-06 08:42:10 C 15 38 26.12 +39 23 56.1 – U V06
2018-05-06 08:53:21 C 15 38 25.59 +39 24 04.2 – U V06
2018-05-06 09:04:31 C 15 38 25.06 +39 24 12.9 – U V06
2018-05-07 04:57:20 C 15 37 32.57 +39 38 54.3 – u H21
2018-05-07 05:09:47 C 15 37 32.00 +39 39 03.5 – u H21
2018-05-07 05:42:25 C 15 37 30.44 +39 39 26.9 – u H21
2018-05-12 06:09:55 C 15 32 14.80 +40 50 47.9 – u H21
2018-05-12 06:28:00 C 15 32 13.96 +40 50 56.2 – u H21
2018-05-12 06:55:19 C 15 32 12.70 +40 51 09.2 – u H21
2018-06-16 02:50:55 C 15 12 42.51 +39 39 41.5 – u H21
2018-06-16 03:26:19 C 15 12 42.40 +39 39 25.0 – u H21
2018-06-16 03:40:33 C 15 12 42.34 +39 39 19.1 – u H21