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
2002-05-20 20:37:47 C 16 53 55.40 +44 20 24.1 c 151
2002-05-20 20:40:11 C 16 53 55.66 +44 20 20.5 c 151
2002-05-20 20:45:04 C 16 53 56.23 +44 20 12.5 c 151
2002-05-21 01:01:07 C 16 54 23.74 +44 13 17.4 c 611
2002-05-21 01:06:33 C 16 54 24.34 +44 13 07.7 c 611
2002-05-22 07:24:35 C 16 57 49.11 +43 23 53.9 18.0 c 704
2002-05-22 07:45:25 C 16 57 51.00 +43 23 20.6 18.3 c 704
2002-05-22 08:06:14 C 16 57 52.88 +43 22 47.8 18.4 c 704
2002-05-22 08:27:09 C 16 57 54.80 +43 22 13.5 18.3 c 704
2002-05-22 08:47:59 C 16 57 56.72 +43 21 38.9 18.2 c 704
2002-05-31 08:01:19 C 17 14 21.14 +37 55 52.0 17.6 c 704
2002-05-31 08:20:26 C 17 14 21.97 +37 55 24.7 18.1 c 704
2002-05-31 08:39:33 C 17 14 22.77 +37 54 56.9 18.1 c 704
2002-05-31 08:58:39 C 17 14 23.55 +37 54 29.2 18.0 c 704
2002-05-31 09:17:45 C 17 14 24.33 +37 54 00.7 18.0 c 704
2002-06-01 00:49:35 C 17 15 13.32 +37 31 35.7 c 621
2002-06-01 00:56:39 C 17 15 13.63 +37 31 26.0 c 621
2002-06-01 01:22:09 C 17 15 14.70 +37 30 49.0 c 621
2002-06-01 01:29:13 C 17 15 15.01 +37 30 39.1 c 621
2002-06-02 01:03:50 C 17 16 24.13 +36 57 05.4 c 621
2002-06-02 01:06:19 C 17 16 24.23 +36 57 02.0 c 621
2002-06-02 01:13:49 C 17 16 24.51 +36 56 51.6 c 621
2002-06-02 01:16:20 C 17 16 24.61 +36 56 48.1 c 621
2002-07-13 06:33:02 C 17 39 42.23 +14 57 49.4 20.1 c 704
2002-07-13 06:51:53 C 17 39 42.65 +14 57 26.3 19.8 c 704
2002-07-13 07:10:43 C 17 39 42.96 +14 57 04.1 20.0 c 704
2002-07-13 07:29:36 C 17 39 43.37 +14 56 40.9 19.8 c 704
2005-02-07 05:03:14 C 07 22 12.64 -15 09 39.8 c 711
2005-02-07 05:16:35 C 07 22 11.76 -15 09 37.3 c 711
2005-02-07 05:30:23 C 07 22 10.81 -15 09 35.3 c 711
2005-04-21 04:53:12 C 08 29 40.66 +25 24 08.2 r 703
2005-04-21 05:05:42 C 08 29 43.33 +25 24 43.7 r 703
2005-04-21 05:18:10 C 08 29 46.17 +25 25 21.6 r 703
2005-04-21 05:30:40 C 08 29 48.84 +25 25 58.7 r 703
2005-04-26 02:21:20 C 09 00 14.36 +31 25 07.8 r 932
2005-04-26 02:34:19 C 09 00 18.03 +31 25 47.0 r 932
2005-04-26 02:42:42 C 09 00 20.41 +31 26 12.6 r 932
2005-05-01 04:43:45 C 09 40 39.31 +37 34 26.6 r H45
2005-05-01 04:48:38 C 09 40 40.98 +37 34 38.5 r H45
2005-05-02 02:26:00 C 09 48 51.10 +38 35 48.7 r 932
2005-05-02 02:32:03 C 09 48 53.37 +38 36 05.2 r 932
2005-05-02 02:45:36 C 09 48 58.43 +38 36 42.0 r 932
2005-06-05 06:23:31 C 15 09 10.90 +38 31 05.8 r 703
2005-06-05 06:35:29 C 15 09 13.28 +38 30 46.0 r 703
2005-06-05 06:47:21 C 15 09 15.58 +38 30 26.5 r 703
2005-06-05 06:59:09 C 15 09 17.92 +38 30 05.1 r 703
2005-06-28 06:52:04 C 16 23 19.68 +23 21 47.9 r 703
2005-06-28 07:01:31 C 16 23 20.32 +23 21 32.2 r 703
2005-06-28 07:10:56 C 16 23 21.19 +23 21 19.1 r 703
2005-06-28 07:20:21 C 16 23 21.98 +23 21 03.9 r 703
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)