38071 (1999 GU3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5069838195 ± 4.54e-09
Semi-major axis (a)2.0903587786 AU ± 1.21e-09
Inclination (i)12.73205267° ± 1.21e-06
Long. of Asc. Node (Ω)195.46955874° ± 1.76e-06
Arg. of Perihelion (ω)8.78586718° ± 9.42e-06
Mean Anomaly (M)292.65505106° ± 2.82e-06
Mean Motion (n)0.3261226985°/day ± 2.83e-10
Perihelion dist (q)1.03058070 AU ± 9.51e-09
Aphelion dist (Q)3.15013686 AU ± 9.67e-09
Orbital Period3.02225600 yr ± 2.62e-09
Physical Parameters
H (abs. magnitude)19.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.596″
Uncertainty0
Orbit TypeAmor
MOID0.032718 AU
Observations Used452
Radar Obs Used10
Oppositions2
Arc Total1999-2023
First Observation Used1999-04-11
Last Observation Used2023-01-25
Observations (482)
Date Type RA Dec Mag Band Observatory
1999-04-10 05:37:36 C 13 39 48.53 +24 39 34.7 15.2 a 704
1999-04-10 06:05:15 C 13 40 31.06 +24 45 45.8 a 704
1999-04-10 06:33:02 C 13 41 13.84 +24 51 58.1 a 704
1999-04-10 07:00:30 C 13 41 56.21 +24 57 58.6 a 704
1999-04-11 02:32:37 C 14 12 52.93 +28 48 58.2 d 046
1999-04-11 02:33:16 C 14 12 53.94 +28 49 05.0 d 046
1999-04-11 02:33:52 C 14 12 54.83 +28 49 11.5 d 046
1999-04-11 02:35:38 C 14 12 57.54 +28 49 30.0 d 046
1999-04-11 02:47:00 C 14 13 14.87 +28 51 27.3 d 046
1999-04-11 02:47:49 C 14 13 16.13 +28 51 35.7 d 046
1999-04-11 02:48:39 C 14 13 17.42 +28 51 44.4 d 046
1999-04-11 02:49:25 C 14 13 18.62 +28 51 52.5 d 046
1999-04-11 02:55:27 C 14 13 27.64 +28 52 54.4 d 046
1999-04-11 02:56:43 C 14 13 29.57 +28 53 07.3 d 046
1999-04-11 02:57:27 C 14 13 30.69 +28 53 14.8 d 046
1999-04-11 02:59:02 C 14 13 33.11 +28 53 31.3 d 046
1999-04-11 03:41:46 C 14 15 03.00 +29 01 28.1 i 734
1999-04-11 03:48:16 C 14 15 12.80 +29 02 38.4 i 734
1999-04-11 03:52:07 C 14 15 18.60 +29 03 19.7 i 734
1999-04-11 04:00:22 C 14 15 31.25 +29 04 49.0 i 734
1999-04-11 04:46:36 C 14 16 43.84 +29 13 11.9 a 704
1999-04-11 04:49:42 C 14 16 48.59 +29 13 43.5 a 704
1999-04-11 04:52:50 C 14 16 53.29 +29 14 16.9 a 704
1999-04-11 04:55:56 C 14 16 57.94 +29 14 50.6 a 704
1999-04-11 05:21:29 C 14 17 36.12 +29 19 19.8 a 704
1999-04-11 05:24:14 C 14 17 40.22 +29 19 48.5 a 704
1999-04-11 05:26:59 C 14 17 44.36 +29 20 16.4 a 704
1999-04-11 05:29:44 C 14 17 48.47 +29 20 46.0 a 704
1999-04-11 05:51:18 C 14 18 17.45 +29 24 23.5 i 739
1999-04-11 05:56:04 C 14 18 24.58 +29 25 13.3 i 739
1999-04-11 06:00:05 C 14 18 30.51 +29 25 55.0 i 739
1999-04-11 06:12:02 C 14 18 48.30 +29 27 57.9 i 739
1999-04-11 07:55:47 C 14 21 21.79 +29 45 23.1 i 739
1999-04-11 07:58:12 C 14 21 25.35 +29 45 47.1 i 739
1999-04-11 08:12:38 C 14 21 46.66 +29 48 08.7 i 739
1999-04-11 08:24:10 C 14 22 03.66 +29 50 01.7 i 739
1999-04-11 13:40:51 C 14 30 18.71 +30 44 43.0 422
1999-04-11 13:43:33 C 14 30 22.65 +30 45 08.7 422
1999-04-11 13:45:37 C 14 30 25.60 +30 45 28.0 422
1999-04-11 14:29:36 C 14 31 33.03 +30 47 52.1 z 402
1999-04-11 14:32:01 C 14 31 36.54 +30 48 14.6 z 402
1999-04-11 15:48:14 C 14 33 21.82 +31 03 59.3 422
1999-04-11 15:50:39 C 14 33 25.28 +31 04 20.5 422
1999-04-12 01:15:43 C 14 47 22.14 +32 17 39.2 z 151
1999-04-12 01:20:47 C 14 47 29.20 +32 18 18.4 z 151
1999-04-12 01:29:32 C 14 47 41.35 +32 19 25.9 z 151
1999-04-12 01:32:40 C 14 47 45.69 +32 19 49.6 z 151
1999-04-12 01:37:43 C 14 47 52.73 +32 20 28.0 z 151
1999-04-12 01:43:57 C 14 48 21.69 +32 21 09.4 c 758
1999-04-12 01:44:57 C 14 48 23.17 +32 21 17.5 c 758
Radar Observations (11)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1999-04-17 09:10:00 -461281 30 Hz 8560 -14 -14
1999-04-17 14:00:00 -483546.9 0.25 Hz 8560 -14 -14
2002-04-08 22:40:00 88674.16 0.03 Hz 2380 -1 -1
2002-04-08 23:10:00 99827379.2 8 us 2380 -1 -1
2002-04-10 22:36:00 94011833.68 1 us 2380 -1 -1
2002-04-14 23:18:00 85072179.79 0.4 us 2380 -1 -1
2002-04-21 23:30:00 -68909.9 0.1 Hz 8560 -14 -14
2002-04-22 01:40:00 82139172 2 us 8560 -14 -14
2002-04-23 01:20:00 -108973.3 0.2 Hz 8560 -14 -14
2002-04-23 03:10:00 83252971 1 us 8560 -14 -14
2002-04-28 02:50:00 93264177.28 0.5 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)