IAA RAS IAA Minor Planet Database

2018 GR1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5539013975 ± 2.00e+00
Semi-major axis (a)1.5057891858 AU ± 3.00e+00
Inclination (i)11.47615143° ± 4.00e+00
Long. of Asc. Node (Ω)32.67572108° ± 5.00e+00
Arg. of Perihelion (ω)261.27427404° ± 6.00e+00
Mean Anomaly (M)10.18046104° ± 1.84e-01
Mean Motion (n)0.5334100000°/day ± 1.59e+00
Perihelion dist (q)0.67172100 AU ± 3.30e+00
Aphelion dist (Q)2.33984200 AU ± 5.55e+00
Orbital Period1.84774880 yr ± 5.52e+00
Physical Parameters
H (abs. magnitude)24.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.423″
Uncertainty3
Orbit TypeApollo
MOID0.015246 AU
Observations Used49
Oppositions1
Arc Total2018-2018
First Observation Used—
Last Observation Used2018-04-20
Observations (50)
Date Type RA Dec Mag Band Observatory
2018-04-10 06:27:12 C 12 59 01.88 +23 38 59.1 – U G96
2018-04-10 06:34:37 C 12 58 59.60 +23 39 19.8 – U G96
2018-04-10 06:42:03 C 12 58 57.47 +23 39 40.2 – U G96
2018-04-10 06:49:29 C 12 58 55.26 +23 39 59.9 – U G96
2018-04-10 08:09:52 C 12 58 31.06 +23 43 34.7 – U H01
2018-04-10 08:15:20 C 12 58 29.44 +23 43 49.3 – U H01
2018-04-10 08:27:54 C 12 58 25.69 +23 44 23.1 – U H01
2018-04-10 08:40:56 C 12 58 21.82 +23 44 58.0 – U H01
2018-04-10 09:30:58 C 12 58 07.04 +23 47 14.2 – U I52
2018-04-10 09:33:21 C 12 58 06.37 +23 47 20.8 – U I52
2018-04-10 09:35:44 C 12 58 05.65 +23 47 27.0 – U I52
2018-04-10 09:38:07 C 12 58 04.93 +23 47 33.3 – U I52
2018-04-11 04:13:19 C 12 52 34.98 +24 40 49.1 – U I52
2018-04-11 04:15:06 C 12 52 34.37 +24 40 54.6 – U I52
2018-04-11 04:16:53 C 12 52 33.80 +24 40 59.6 – U I52
2018-04-11 04:18:40 C 12 52 33.18 +24 41 05.3 – U I52
2018-04-12 01:28:04 C 12 45 04.83 +25 47 43.6 – S 033
2018-04-12 01:30:57 C 12 45 03.71 +25 47 53.3 – S 033
2018-04-12 01:33:52 C 12 45 02.58 +25 48 02.7 – S 033
2018-04-12 01:36:46 C 12 45 01.44 +25 48 12.1 – S 033
2018-04-12 01:39:39 C 12 45 00.33 +25 48 21.6 – S 033
2018-04-12 01:42:34 C 12 44 59.16 +25 48 31.2 – S 033
2018-04-12 01:45:27 C 12 44 58.02 +25 48 40.8 – S 033
2018-04-12 04:49:16 C 12 43 53.22 +25 59 30.5 – U I52
2018-04-12 04:52:14 C 12 43 51.99 +25 59 40.9 – U I52
2018-04-12 04:54:01 C 12 43 51.27 +25 59 47.2 – U I52
2018-04-12 04:56:59 C 12 43 50.08 +25 59 57.7 – U I52
2018-04-12 05:25:23 C 12 43 37.93 +26 01 40.7 – o 711
2018-04-12 05:29:19 C 12 43 36.25 +26 01 54.5 – o 711
2018-04-12 05:33:15 C 12 43 34.62 +26 02 08.0 – o 711
2018-04-15 04:46:40 C 12 05 33.36 +30 56 32.0 – U I52
2018-04-15 04:48:37 C 12 05 31.89 +30 56 41.7 – U I52
2018-04-15 04:50:12 C 12 05 30.72 +30 56 49.9 – U I52
2018-04-15 04:52:01 C 12 05 29.31 +30 56 58.8 – U I52
2018-04-16 07:01:45 C 11 43 43.24 +33 12 59.4 – U 703
2018-04-16 07:09:23 C 11 43 35.69 +33 13 38.6 – U 703
2018-04-16 07:24:36 C 11 43 20.68 +33 15 00.7 – U 703
2018-04-18 03:54:38 C 10 49 41.46 +37 24 46.0 – U I52
2018-04-18 03:55:25 C 10 49 40.22 +37 24 49.9 – U I52
2018-04-18 03:56:12 C 10 49 39.03 +37 24 54.1 – U I52
2018-04-19 00:12:51 C 10 15 26.85 +39 04 07.0 – V 204
2018-04-19 00:31:25 C 10 14 52.16 +39 05 21.4 – V 204
2018-04-19 00:57:23 C 10 14 03.57 +39 07 04.8 – V 204
2018-04-19 05:59:21 C 10 04 31.60 +39 28 47.2 – U I52
2018-04-19 06:00:09 C 10 04 29.99 +39 28 49.9 – U I52
2018-04-19 06:00:57 C 10 04 28.47 +39 28 53.1 – U I52
2018-04-19 06:01:44 C 10 04 26.94 +39 28 56.1 – U I52
2018-04-20 03:04:30 C 09 20 04.55 +40 23 34.5 – U I52
2018-04-20 03:05:17 C 09 20 02.67 +40 23 34.8 – U I52
2018-04-20 03:06:52 C 09 19 58.97 +40 23 36.0 – U I52