138258 (2000 GD2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4767093203 ± 1.67e-07
Semi-major axis (a)0.7577641675 AU ± 3.53e-09
Inclination (i)32.13571947° ± 2.54e-05
Long. of Asc. Node (Ω)358.11192981° ± 2.39e-06
Arg. of Perihelion (ω)16.98570272° ± 1.21e-05
Mean Anomaly (M)97.78126582° ± 9.06e-05
Mean Motion (n)1.4942084181°/day ± 1.04e-08
Perihelion dist (q)0.39653093 AU ± 1.27e-07
Aphelion dist (Q)1.11899741 AU ± 1.27e-07
Orbital Period0.65963106 yr ± 4.61e-09
Physical Parameters
H (abs. magnitude)18.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.528″
Uncertainty0
Orbit TypeAten
MOID0.071521 AU
Observations Used224
Radar Obs Used2
Oppositions2
Arc Total1998-2002
First Observation Used1998-03-29
Last Observation Used2023-05-02
Observations (245)
Date Type RA Dec Mag Band Observatory
1998-03-29 05:33:56 C 07 05 38.96 +31 57 18.1 c 566
1998-03-29 05:48:18 C 07 05 41.71 +31 56 11.9 c 566
1998-03-29 06:02:11 C 07 05 44.24 +31 55 07.1 c 566
2000-03-15 04:25:56 C 08 20 08.71 +68 16 03.7 15.2 c 704
2000-03-15 04:45:01 C 08 20 02.08 +68 11 32.8 15.5 c 704
2000-03-15 05:03:52 C 08 19 55.47 +68 07 06.2 15.5 c 704
2000-04-03 03:46:34 C 08 03 50.54 +09 45 52.7 18.3 c 704
2000-04-03 04:07:31 C 08 03 50.71 +09 44 50.5 18.0 c 704
2000-04-03 04:28:56 C 08 03 50.82 +09 43 45.6 18.5 c 704
2000-04-04 02:47:18 C 08 04 12.43 +08 39 24.5 15.5 c 704
2000-04-04 03:08:54 C 08 04 12.58 +08 38 24.8 16.2 c 704
2000-04-04 03:30:21 C 08 04 12.78 +08 37 23.8 16.3 c 704
2000-04-04 03:52:32 C 08 04 12.91 +08 36 23.0 16.3 c 704
2000-04-04 04:00:17 C 08 04 12.96 +08 36 01.6 18.1 c 704
2000-04-04 04:21:28 C 08 04 13.24 +08 35 02.9 18.2 c 704
2000-04-04 04:25:57 C 08 04 13.47 +08 34 52.4 673
2000-04-04 04:29:28 C 08 04 13.52 +08 34 40.8 673
2000-04-04 04:41:59 C 08 04 13.33 +08 34 05.8 18.1 c 704
2000-04-04 05:02:29 C 08 04 13.53 +08 33 08.4 18.3 c 704
2000-04-05 02:45:07 C 08 04 36.53 +07 35 03.2 15.6 c 704
2000-04-05 02:59:04 C 08 04 36.03 +07 34 25.0 i 850
2000-04-05 03:09:03 C 08 04 36.81 +07 34 01.3 16.1 c 704
2000-04-05 03:20:00 C 08 04 36.26 +07 33 31.0 i 850
2000-04-05 03:30:27 C 08 04 36.97 +07 33 05.0 16.6 c 704
2000-04-05 03:34:43 C 08 04 37.00 +07 32 55.4 16.1 c 704
2000-04-05 03:41:48 C 08 04 37.20 +07 32 37.1 i 854
2000-04-05 03:42:00 C 08 04 36.59 +07 32 33.7 i 850
2000-04-05 03:44:40 C 08 04 37.13 +07 32 29.1 i 854
2000-04-05 03:48:27 C 08 04 37.15 +07 32 18.0 i 854
2000-04-05 03:56:09 C 08 04 37.23 +07 31 59.1 16.2 c 704
2000-04-05 04:00:59 C 08 04 37.26 +07 31 46.6 15.7 c 704
2000-04-05 04:01:03 C 08 04 36.75 +07 31 44.3 i 850
2000-04-05 04:21:27 C 08 04 37.52 +07 30 53.7 16.3 c 704
2000-04-05 04:45:35 C 08 04 37.75 +07 29 52.6 16.3 c 704
2000-04-06 03:47:18 C 08 05 03.33 +06 32 34.7 673
2000-04-06 03:54:21 C 08 05 03.43 +06 32 16.8 673
2000-04-06 04:02:55 C 08 05 03.53 +06 31 56.6 673
2000-04-06 18:54:35 C 08 05 20.93 +05 56 52.5 c 046
2000-04-06 19:06:31 C 08 05 21.09 +05 56 24.4 c 046
2000-04-06 19:07:58 C 08 05 21.12 +05 56 21.6 c 046
2000-04-06 19:09:32 C 08 05 21.18 +05 56 16.9 c 046
2000-04-28 12:41:49 C 08 19 33.34 -05 47 24.0 413
2000-04-29 09:35:11 C 08 20 14.91 -06 04 30.3 413
2000-04-29 09:40:24 C 08 20 15.07 -06 04 34.6 413
2000-04-30 09:20:43 C 08 21 02.11 -06 23 25.8 413
2000-04-30 09:26:36 C 08 21 02.26 -06 23 29.9 413
2002-03-03 11:57:42 C 17 01 47.09 +26 22 48.7 c 670
2002-03-03 12:59:11 C 17 01 24.75 +26 23 35.9 c 670
2002-03-04 18:19:28 C 16 50 21.98 +26 44 33.5 349
2002-03-04 18:22:19 C 16 50 20.90 +26 44 34.8 349
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2002-03-12 08:20:00 476248 0.5 Hz 8560 -14 -14
2002-03-16 07:20:00 -9360.8 0.5 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)