2019 GL4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2984661000
Semi-major axis (a)1.4449270000 AU
Inclination (i)22.91179000°
Long. of Asc. Node (Ω)22.91045000°
Arg. of Perihelion (ω)152.61165000°
Mean Anomaly (M)303.89425000°
Mean Motion (n)0.5674599200°/day
Perihelion dist (q)1.01366530 AU
Aphelion dist (Q)1.87618870 AU
Orbital Period1.73687620 yr
Physical Parameters
H (abs. magnitude)23.10
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.370″
Uncertainty4
Orbit TypeAmor
MOID0.036559 AU
Observations Used111
Radar Obs Used3
Oppositions1
Arc Total
First Observation Used
Last Observation Used2019-04-28
Observations (111)
Date Type RA Dec Mag Band Observatory
2019-04-14 07:02:06 C 12 53 14.87 -13 05 40.6 V 703
2019-04-14 07:09:49 C 12 53 10.00 -13 08 50.1 V 703
2019-04-15 06:12:54 C 12 40 21.44 -21 51 59.0 V G96
2019-04-15 06:28:03 C 12 40 12.41 -21 57 14.7 V G96
2019-04-15 06:35:37 C 12 40 07.92 -21 59 51.8 V G96
2019-04-27 02:23:45 C 11 01 55.00 -58 33 34.9 u 807
2019-04-27 02:38:51 C 11 01 51.69 -58 34 05.0 u 807
2019-04-27 02:43:37 C 11 01 50.52 -58 34 14.8 u 807
2019-04-28 00:19:41 C 10 58 01.31 -59 17 51.2 u 807
2019-04-28 00:26:27 C 10 57 59.94 -59 18 04.5 u 807
2019-04-28 00:33:00 C 10 57 58.60 -59 18 17.3 u 807
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2019-04-09 05:35:00 116923.1789 0.03 Hz 2380 -1 -1
2019-04-12 04:33:00 12894.4322 0.2 Hz 2380 -1 -1
2019-04-12 05:07:00 36954612.19 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)