2018 GD4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5064728000
Semi-major axis (a)1.6470682000 AU
Inclination (i)5.50268000°
Long. of Asc. Node (Ω)186.09601000°
Arg. of Perihelion (ω)300.45244000°
Mean Anomaly (M)241.74024000°
Mean Motion (n)0.4662691900°/day
Perihelion dist (q)0.81287300 AU
Aphelion dist (Q)2.48126340 AU
Orbital Period2.11381690 yr
Physical Parameters
H (abs. magnitude)26.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.220″
Uncertainty7
Orbit TypeApollo
MOID0.006417 AU
Observations Used22
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-04-15
Observations (22)
Date Type RA Dec Mag Band Observatory
2018-04-11 07:21:36 C 13 00 45.74 +14 06 24.8 U G96
2018-04-11 07:29:00 C 13 00 47.08 +14 06 05.9 U G96
2018-04-11 07:36:23 C 13 00 48.37 +14 05 46.3 U G96
2018-04-11 07:43:45 C 13 00 49.67 +14 05 26.9 U G96
2018-04-11 08:51:00 C 13 01 01.23 +14 02 28.0 U H01
2018-04-11 08:56:28 C 13 01 02.20 +14 02 13.8 U H01
2018-04-11 09:12:56 C 13 01 05.15 +14 01 30.5 U H01
2018-04-11 09:21:16 C 13 01 06.63 +14 01 08.6 U H01
2018-04-11 09:28:45 C 13 01 08.26 +14 00 52.6 U I52
2018-04-11 09:35:54 C 13 01 09.58 +14 00 33.9 U I52
2018-04-11 09:43:04 C 13 01 10.85 +14 00 15.3 U I52
2018-04-11 09:50:13 C 13 01 12.15 +13 59 56.8 U I52
2018-04-12 04:23:22 C 13 04 48.77 +13 15 31.0 o 291
2018-04-12 04:31:49 C 13 04 50.06 +13 15 12.1 o 291
2018-04-12 04:40:14 C 13 04 51.33 +13 14 54.0 o 291
2018-04-12 08:08:57 C 13 05 26.629 +13 07 31.25 U F51
2018-04-12 08:27:39 C 13 05 29.286 +13 06 51.27 U F51
2018-04-12 08:46:16 C 13 05 31.914 +13 06 11.25 U F51
2018-04-12 09:04:54 C 13 05 34.519 +13 05 30.90 U F51
2018-04-15 06:38:29 C 13 14 46.37 +11 00 59.8 U G96
2018-04-15 06:40:34 C 13 14 46.51 +11 00 56.9 U G96
2018-04-15 06:42:39 C 13 14 46.72 +11 00 53.8 U G96