2013 GR38

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5566029085 ± 2.96e-08
Semi-major axis (a)1.7893889730 AU ± 1.18e-09
Inclination (i)4.58860116° ± 5.71e-06
Long. of Asc. Node (Ω)218.63649803° ± 9.49e-06
Arg. of Perihelion (ω)68.41141060° ± 1.19e-05
Mean Anomaly (M)67.68050808° ± 5.66e-06
Mean Motion (n)0.4117704160°/day ± 4.06e-10
Perihelion dist (q)0.79340987 AU ± 5.30e-08
Aphelion dist (Q)2.78536808 AU ± 5.30e-08
Orbital Period2.39363064 yr ± 2.36e-09
Physical Parameters
H (abs. magnitude)21.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.292″
Uncertainty0
Orbit TypeApollo
MOID0.003129 AU
Observations Used147
Radar Obs Used2
Oppositions1
Arc Total2013-2025
First Observation Used2013-03-05
Last Observation Used2025-03-27
Observations (166)
Date Type RA Dec Mag Band Observatory
2013-10-13 10:06:10 C 04 34 23.53 +21 29 42.8 o 695
2013-10-13 10:09:37 C 04 34 23.33 +21 29 41.9 o 695
2013-10-13 10:17:02 C 04 34 22.86 +21 29 39.6 o 695
2013-11-09 12:13:19 C 03 43 38.692 +17 26 03.82 V F51
2013-11-09 12:35:00 C 03 43 36.832 +17 25 54.99 V F51
2013-11-09 13:18:33 C 03 43 33.008 +17 25 36.38 V F51
2020-10-19 05:01:00 C 19 52 04.094 -13 56 54.21 V T14
2020-10-19 05:02:22 C 19 52 04.555 -13 56 53.50 V T14
2020-10-19 05:03:44 C 19 52 05.011 -13 56 52.83 V T14
2020-11-07 06:11:24 C 21 56 54.273 -08 50 01.55 V T14
2020-11-07 06:13:06 C 21 56 54.622 -08 50 00.35 V T14
2020-11-07 06:14:48 C 21 56 54.968 -08 49 59.09 V T14
2020-11-07 06:16:30 C 21 56 55.316 -08 49 57.93 V T14
2025-03-27 12:05:53 C 14 44 29.883 -23 32 00.91 X F52
2025-03-27 12:22:23 C 14 44 32.015 -23 32 10.84 X F52
2025-03-27 12:38:54 C 14 44 34.130 -23 32 20.80 X F52
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2013-05-01 00:33:00 124315.0161 0.3 Hz 2380 -1 -1
2013-05-01 00:55:00 59608109.62 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)