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
2013-03-05 12:42:42 C 13 03 28.201 -15 07 12.77 V F51
2013-03-06 11:54:13 C 13 03 39.762 -15 11 44.58 V F51
2013-03-13 11:24:21 C 13 04 00.582 -15 38 10.64 V F51
2013-03-13 11:44:51 C 13 04 00.412 -15 38 13.03 V F51
2013-03-13 12:05:20 C 13 04 00.219 -15 38 15.49 V F51
2013-03-13 12:25:53 C 13 04 00.042 -15 38 18.07 V F51
2013-04-08 09:46:43 C 12 42 36.199 -14 22 10.33 L F51
2013-04-08 10:06:12 C 12 42 34.439 -14 22 00.04 L F51
2013-04-08 10:25:40 C 12 42 32.673 -14 21 49.67 L F51
2013-04-09 04:03:44 C 12 41 06.66 -14 11 30.9 t W85
2013-04-09 04:10:37 C 12 41 06.01 -14 11 27.1 t W85
2013-04-09 04:17:30 C 12 41 05.35 -14 11 23.0 t W85
2013-04-09 04:24:23 C 12 41 04.71 -14 11 19.0 t W85
2013-04-09 06:01:24 C 12 40 55.29 -14 10 25.8 u G32
2013-04-09 06:07:12 C 12 40 54.80 -14 10 23.1 u G32
2013-04-09 06:13:00 C 12 40 54.35 -14 10 20.0 u G32
2013-04-09 06:18:48 C 12 40 53.84 -14 10 17.0 u G32
2013-04-09 11:08:36 C 12 40 31.95 -14 07 19.6 o E23
2013-04-09 11:24:36 C 12 40 30.43 -14 07 10.2 o E23
2013-04-09 11:40:36 C 12 40 28.91 -14 06 59.9 o E23
2013-04-09 17:41:10 C 12 39 54.88 -14 03 21.3 q D90
2013-04-09 17:48:47 C 12 39 54.15 -14 03 16.7 q D90
2013-04-09 17:57:33 C 12 39 53.36 -14 03 10.7 q D90
2013-04-09 22:11:40 C 12 39 33.41 -14 01 28.2 t 204
2013-04-09 22:20:15 C 12 39 32.59 -14 01 23.1 t 204
2013-04-10 00:08:47 C 12 39 24.41 -13 59 25.7 q I39
2013-04-10 00:53:01 C 12 39 20.26 -13 58 55.3 q I39
2013-04-10 01:28:57 C 12 39 16.69 -13 58 33.9 q I39
2013-04-10 02:05:00 C 12 39 13.03 -13 58 12.2 q I39
2013-04-10 21:48:36 C 12 37 25.45 -13 45 56.5 v J04
2013-04-10 21:50:17 C 12 37 25.28 -13 45 55.4 v J04
2013-04-10 21:51:57 C 12 37 25.12 -13 45 54.3 v J04
2013-04-11 03:43:17 C 12 36 50.16 -13 41 18.0 u G32
2013-04-11 03:49:05 C 12 36 49.50 -13 41 14.3 u G32
2013-04-11 03:54:51 C 12 36 48.91 -13 41 09.9 u G32
2013-04-11 04:00:39 C 12 36 48.15 -13 41 04.9 u G32
2013-04-11 04:43:05 C 12 36 45.57 -13 41 12.1 o 291
2013-04-11 04:44:43 C 12 36 45.40 -13 41 10.9 o 291
2013-04-11 04:46:19 C 12 36 45.23 -13 41 09.9 o 291
2013-04-11 17:12:47 C 12 35 28.76 -13 31 22.1 q D90
2013-04-11 17:18:34 C 12 35 28.14 -13 31 17.1 q D90
2013-04-11 17:24:21 C 12 35 27.55 -13 31 13.4 q D90
2013-04-12 04:19:46 C 12 34 22.67 -13 23 00.7 u 807
2013-04-12 04:25:52 C 12 34 21.97 -13 22 56.4 u 807
2013-04-12 04:28:55 C 12 34 21.61 -13 22 53.4 u 807
2013-04-12 04:31:58 C 12 34 21.27 -13 22 51.4 u 807
2013-04-13 00:43:27 C 12 32 14.67 -13 06 24.0 u 807
2013-04-13 00:46:29 C 12 32 14.34 -13 06 20.9 u 807
2013-04-14 00:27:39 C 12 29 29.19 -12 46 16.4 t 204
2013-04-14 00:39:57 C 12 29 27.65 -12 46 04.6 t 204
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)