2018 GR4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1110326096 ± 2.14e-05
Semi-major axis (a)0.9359710557 AU ± 1.19e-05
Inclination (i)1.00490374° ± 2.04e-04
Long. of Asc. Node (Ω)167.58937903° ± 8.57e-04
Arg. of Perihelion (ω)232.84075620° ± 2.03e-03
Mean Anomaly (M)302.41177359° ± 5.83e-02
Mean Motion (n)1.0884754750°/day ± 2.07e-05
Perihelion dist (q)0.83204775 AU ± 2.27e-05
Aphelion dist (Q)1.03989436 AU ± 2.40e-05
Orbital Period0.90551079 yr ± 1.72e-05
Physical Parameters
H (abs. magnitude)27.11
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.331″
Uncertainty2
Orbit TypeAten
MOID0.000397 AU
Observations Used71
Oppositions1
Arc Total2018-2018
First Observation Used2018-04-12
Last Observation Used2018-06-15
Observations (77)
Date Type RA Dec Mag Band Observatory
2018-04-21 04:37:31 C 12 41 22.14 +15 15 11.1 U V06
2018-04-21 04:42:24 C 12 41 20.85 +15 15 16.7 U V06
2018-04-21 04:47:18 C 12 41 19.52 +15 15 22.4 U V06
2018-04-21 04:52:12 C 12 41 18.18 +15 15 28.2 U V06
2018-04-21 07:26:30 C 12 40 36.61 +15 18 19.2 o 291
2018-04-21 07:29:23 C 12 40 35.83 +15 18 22.1 o 291
2018-04-21 07:32:17 C 12 40 35.07 +15 18 25.0 o 291
2018-04-22 09:36:07 C 12 35 05.92 +15 44 55.5 o 291
2018-04-22 09:42:31 C 12 35 04.43 +15 45 00.7 o 291
2018-04-22 09:48:55 C 12 35 02.91 +15 45 05.2 o 291
2018-04-23 03:22:55 C 12 31 54.86 +16 01 35.8 o 291
2018-04-23 03:32:21 C 12 31 52.60 +16 01 45.3 o 291
2018-04-23 03:41:47 C 12 31 50.36 +16 01 55.1 o 291
2018-04-24 03:16:16 C 12 27 27.42 +16 21 39.7 o 291
2018-04-24 03:37:26 C 12 27 22.60 +16 21 58.8 o 291
2018-04-24 03:58:41 C 12 27 17.76 +16 22 18.4 o 291
2018-05-05 03:19:56 C 11 53 19.61 +18 05 18.0 o 291
2018-05-05 04:36:27 C 11 53 09.88 +18 05 23.3 o 291
2018-05-07 05:30:23 C 11 49 16.66 +18 08 02.5 o 291
2018-05-07 07:06:55 C 11 49 06.23 +18 07 55.5 o 291
2018-05-09 06:45:25 C 11 46 03.577 +18 07 52.81 V T12
2018-05-09 06:59:02 C 11 46 02.157 +18 07 52.35 V T12
2018-05-10 06:01:52 C 11 44 37.13 +18 05 52.2 o 291
2018-05-10 06:35:15 C 11 44 34.23 +18 05 47.4 o 291
2018-05-10 07:08:38 C 11 44 31.37 +18 05 41.6 o 291
2018-06-14 06:33:16 C 11 39 24.150 +14 17 49.33 V T12
2018-06-15 06:37:47 C 11 39 41.843 +14 10 27.74 V T12