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
1999-04-12 15:47:46 C 15 07 45.90 +34 02 50.0 422
1999-04-12 15:48:25 C 15 07 46.72 +34 02 54.0 422
1999-04-13 03:40:29 C 15 23 33.04 +35 03 25.4 i 739
1999-04-13 03:42:29 C 15 23 36.05 +35 03 36.4 i 739
1999-04-13 03:44:41 C 15 23 36.76 +35 03 26.0 i 726
1999-04-13 03:47:41 C 15 23 40.54 +35 03 42.2 i 726
1999-04-13 03:47:59 C 15 23 42.91 +35 04 05.8 i 739
1999-04-13 03:50:42 C 15 23 44.20 +35 03 58.7 i 726
1999-04-13 03:54:23 C 15 23 48.85 +35 04 17.3 i 726
1999-04-13 03:57:23 C 15 23 52.48 +35 04 33.7 i 726
1999-04-13 04:00:22 C 15 23 56.25 +35 04 49.7 i 726
1999-04-13 04:03:23 C 15 24 00.01 +35 05 05.2 i 726
1999-04-13 04:04:52 C 15 24 03.24 +35 05 34.3 i 739
1999-04-13 15:55:18 C 15 38 19.46 +35 59 11.2 z 355
1999-04-13 15:59:36 C 15 38 24.22 +35 59 28.7 z 355
1999-04-13 16:04:09 C 15 38 29.28 +35 59 47.3 z 355
1999-04-13 19:07:24 C 15 42 10.79 +36 09 05.1 z 151
1999-04-13 19:10:43 C 15 42 14.44 +36 09 19.5 z 151
1999-04-13 19:12:57 C 15 42 17.10 +36 09 28.5 z 151
1999-04-13 19:20:58 C 15 42 26.38 +36 10 00.6 z 151
1999-04-13 19:24:04 C 15 42 30.03 +36 10 12.3 z 151
1999-04-13 19:25:45 C 15 42 31.85 +36 10 20.4 z 151
1999-04-13 21:03:54 C 15 44 25.14 +36 17 05.0 z 620
1999-04-13 21:10:34 C 15 44 32.59 +36 17 31.5 z 620
1999-04-13 21:15:24 C 15 44 37.99 +36 17 50.9 z 620
1999-04-13 21:20:15 C 15 44 43.40 +36 18 10.1 z 620
1999-04-13 21:24:44 C 15 44 48.36 +36 18 27.6 z 620
1999-04-14 15:05:54 C 16 03 36.08 +37 12 18.4 z 355
1999-04-14 15:08:41 C 16 03 38.74 +37 12 26.2 z 355
1999-04-14 15:32:54 C 16 04 01.76 +37 13 30.6 z 355
1999-04-14 17:57:45 C 16 06 18.72 +37 19 31.1 360
1999-04-14 17:59:45 C 16 06 20.56 +37 19 35.7 360
1999-04-14 18:01:29 C 16 06 22.20 +37 19 39.7 360
1999-04-14 21:21:55 C 16 09 47.76 +37 25 28.3 557
1999-04-14 21:50:30 C 16 10 14.56 +37 26 38.1 557
1999-04-14 22:11:04 C 16 10 33.69 +37 27 27.3 557
1999-04-14 22:33:15 C 16 10 54.18 +37 28 19.4 557
1999-04-15 01:30:19 C 16 13 34.25 +37 34 46.2 d 046
1999-04-15 01:31:16 C 16 13 35.08 +37 34 48.1 d 046
1999-04-15 01:32:23 C 16 13 36.07 +37 34 50.4 d 046
1999-04-15 01:33:29 C 16 13 37.04 +37 34 52.5 d 046
1999-04-15 02:45:40 C 16 14 40.23 +37 37 09.9 b 118
1999-04-15 02:47:03 C 16 14 41.44 +37 37 12.4 b 118
1999-04-15 02:48:15 C 16 14 42.52 +37 37 14.5 b 118
1999-04-15 19:58:53 C 16 29 52.88 +38 02 58.0 c 540
1999-04-15 20:00:24 C 16 29 54.14 +38 03 00.2 c 540
1999-04-15 20:01:54 C 16 29 55.36 +38 03 02.6 c 540
1999-04-15 20:03:25 C 16 29 56.56 +38 03 05.2 c 540
1999-04-16 16:49:30 C 16 45 34.81 +38 24 45.6 z 355
1999-04-16 16:51:10 C 16 45 35.88 +38 24 46.8 z 355
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)