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
1999-05-10 02:00:10 C 18 38 02.50 +35 26 13.5 557
1999-05-13 17:45:29 C 18 40 28.53 +34 53 17.5 360
1999-05-13 17:50:29 C 18 40 28.53 +34 53 15.9 360
1999-05-13 17:55:45 C 18 40 28.58 +34 53 13.7 360
1999-05-17 01:12:21 C 18 41 37.60 +34 21 15.3 557
1999-05-17 01:17:56 C 18 41 37.53 +34 21 14.5 c 118
1999-05-17 01:19:04 C 18 41 37.58 +34 21 12.8 557
1999-05-17 01:20:02 C 18 41 37.52 +34 21 13.2 c 118
1999-05-17 01:29:49 C 18 41 37.51 +34 21 09.2 c 118
1999-05-17 01:39:10 C 18 41 37.58 +34 21 04.7 557
1999-05-19 00:52:52 C 18 41 55.69 +34 00 55.9 557
1999-05-19 00:56:13 C 18 41 55.66 +34 00 54.4 557
1999-05-19 01:02:57 C 18 41 55.63 +34 00 51.6 557
1999-07-08 07:39:14 C 18 17 49.76 +17 22 39.0 658
1999-07-08 07:42:14 C 18 17 49.66 +17 22 36.2 658
1999-07-08 07:45:00 C 18 17 49.63 +17 22 33.0 658
1999-07-09 10:48:06 C 18 17 30.72 +16 52 03.5 658
1999-07-09 10:53:42 C 18 17 30.69 +16 51 56.7 658
1999-07-20 06:41:23 C 18 16 29.02 +12 01 32.2 658
1999-07-20 06:51:13 C 18 16 29.01 +12 01 21.9 658
1999-07-20 07:02:27 C 18 16 28.98 +12 01 08.8 658
2002-01-03 16:36:21 C 08 38 17.64 -12 35 27.6 c 413
2002-01-03 17:36:16 C 08 38 17.06 -12 36 14.1 c 413
2002-01-05 16:51:36 C 08 37 53.63 -13 13 17.1 m 413
2002-01-05 16:56:15 C 08 37 53.56 -13 13 20.1 m 413
2002-01-05 17:00:53 C 08 37 53.53 -13 13 24.0 m 413
2002-03-11 19:54:09 C 07 42 10.41 -16 12 23.1 c 215
2002-03-11 19:54:54 C 07 42 10.32 -16 12 23.4 c 215
2002-03-11 19:55:38 C 07 42 10.36 -16 12 22.2 c 215
2002-03-12 03:31:57 C 07 42 09.35 -16 03 46.9 c 670
2002-03-12 04:28:37 C 07 42 08.58 -16 02 42.6 c 670
2002-03-12 06:05:49 C 07 42 07.35 -16 00 53.5 c 670
2002-03-15 03:14:22 C 07 42 19.07 -14 36 05.8 c 670
2002-03-15 06:26:48 C 07 42 18.53 -14 31 48.1 c 670
2002-03-23 03:36:25 C 07 47 04.53 -09 19 57.8 18.2 c 704
2002-03-23 03:55:48 C 07 47 05.18 -09 19 17.8 18.2 c 704
2002-03-23 04:15:39 C 07 47 05.80 -09 18 37.5 18.3 c 704
2002-04-01 18:51:41 C 08 04 32.82 +01 03 21.8 d 557
2002-04-01 19:00:14 C 08 04 33.69 +01 03 52.2 d 557
2002-04-01 19:05:56 C 08 04 34.28 +01 04 12.7 d 557
2002-04-01 22:00:08 C 08 04 52.60 +01 14 34.8 c 113
2002-04-01 22:11:02 C 08 04 53.79 +01 15 14.6 c 113
2002-04-01 22:18:14 C 08 04 54.61 +01 15 40.6 c 113
2002-04-01 22:21:50 C 08 04 54.93 +01 15 52.0 c 113
2002-04-01 22:25:26 C 08 04 55.38 +01 16 05.9 c 113
2002-04-02 02:05:15 C 08 05 22.02 +01 29 28.6 16.2 785
2002-04-02 02:21:46 C 08 05 23.77 +01 30 30.0 16.2 785
2002-04-02 02:32:38 C 08 05 24.88 +01 31 08.4 16.5 785
2002-04-03 19:06:20 C 08 10 35.57 +04 06 26.6 d 557
2002-04-03 19:08:51 C 08 10 35.85 +04 06 36.9 d 557
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)