2019 GJ4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1678650071 ± 5.36e-07
Semi-major axis (a)0.9861517339 AU ± 1.95e-07
Inclination (i)6.97839903° ± 1.78e-05
Long. of Asc. Node (Ω)196.09336640° ± 7.95e-06
Arg. of Perihelion (ω)252.55103080° ± 7.72e-05
Mean Anomaly (M)2.24437850° ± 8.48e-04
Mean Motion (n)1.0064603311°/day ± 2.98e-07
Perihelion dist (q)0.82061137 AU ± 5.53e-07
Aphelion dist (Q)1.15169210 AU ± 5.76e-07
Orbital Period0.97929968 yr ± 2.90e-07
Physical Parameters
H (abs. magnitude)26.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.245″
Uncertainty0
Orbit TypeAten
MOID0.005177 AU
Observations Used51
Radar Obs Used2
Oppositions1
Arc Total2019-2019
First Observation Used2019-04-07
Last Observation Used2019-05-09
Observations (58)
Date Type RA Dec Mag Band Observatory
2019-04-14 05:39:32 C 12 29 02.62 +25 18 56.1 V I52
2019-04-14 05:41:02 C 12 29 02.77 +25 18 59.4 V I52
2019-04-14 05:41:37 C 12 29 02.81 +25 19 00.3 V I52
2019-04-26 07:28:10 C 12 57 45.06 +27 39 23.9 o 291
2019-04-26 07:55:34 C 12 57 45.62 +27 39 20.2 o 291
2019-04-26 08:22:56 C 12 57 46.25 +27 39 15.9 o 291
2019-05-09 11:01:39 C 13 10 44.202 +26 10 06.69 V T12
2019-05-09 11:18:02 C 13 10 44.539 +26 09 57.92 V T12
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2019-04-09 03:33:00 -85212.6893 3 Hz 2380 -1 -1
2019-04-09 04:05:00 15712026.99 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)