399308 (1993 GD)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2380503325 ± 2.00e+00
Semi-major axis (a)1.1023744246 AU ± 3.00e+00
Inclination (i)15.46354627° ± 4.00e+00
Long. of Asc. Node (Ω)201.41604017° ± 5.00e+00
Arg. of Perihelion (ω)202.11578898° ± 6.00e+00
Mean Anomaly (M)201.43618550° ± 2.02e-05
Mean Motion (n)0.8515665284°/day ± 3.48e+00
Perihelion dist (q)0.83995383 AU ± 3.18e+00
Aphelion dist (Q)1.36479502 AU ± 4.32e+00
Orbital Period1.15742722 yr ± 4.72e+00
NGA Modelr2
A29.09187218e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.62
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.327″
Uncertainty0
Orbit TypeApollo
MOID0.142941 AU
Observations Used156
Oppositions4
Arc Total1993-2023
First Observation Used1993-04-15
Last Observation Used2023-02-01
Observations (170)
Date Type RA Dec Mag Band Observatory
2014-06-26 06:21:37 C 17 56 15.13 +38 06 57.2 u H21
2014-06-26 06:32:12 C 17 56 14.01 +38 07 09.0 u H21
2014-06-26 06:42:35 C 17 56 12.94 +38 07 20.7 u H21
2014-07-10 09:07:23 C 17 21 15.369 +42 29 37.21 L F51
2014-07-10 09:25:05 C 17 21 13.386 +42 29 45.28 L F51
2014-07-10 09:42:46 C 17 21 11.405 +42 29 53.11 L F51
2014-07-19 03:40:09 C 17 00 28.08 +43 31 47.5 u H21
2014-07-19 03:49:20 C 17 00 27.17 +43 31 48.7 u H21
2014-07-19 03:58:31 C 17 00 26.24 +43 31 49.9 u H21
2015-01-17 15:24:16 C 13 04 15.121 -40 16 52.81 L F51
2015-01-17 15:38:36 C 13 04 16.024 -40 16 55.42 L F51
2015-02-23 13:20:53 C 13 37 02.649 -38 24 05.92 L F51
2015-02-23 13:35:55 C 13 37 02.360 -38 23 57.35 L F51
2015-02-23 14:05:55 C 13 37 01.868 -38 23 39.45 L F51
2015-02-24 13:35:05 C 13 36 46.611 -38 09 23.78 L F51
2015-02-24 13:49:20 C 13 36 46.336 -38 09 14.79 L F51
2015-03-24 09:29:35 C 13 00 56.30 -23 21 59.1 R G45
2015-03-24 09:39:55 C 13 00 55.34 -23 21 37.7 R G45
2015-03-24 10:25:52 C 13 00 51.24 -23 20 00.5 R G45
2015-03-24 10:46:29 C 13 00 49.50 -23 19 16.0 R G45
2015-03-27 08:22:58 C 12 55 00.15 -20 49 12.6 q 703
2015-03-27 08:35:22 C 12 54 58.94 -20 48 45.1 q 703
2015-03-27 08:51:30 C 12 54 57.52 -20 48 09.3 q 703
2015-03-27 09:03:51 C 12 54 56.43 -20 47 42.0 q 703
2015-04-11 05:31:05 C 12 27 29.76 -07 14 46.0 q G96
2015-04-11 05:37:42 C 12 27 29.29 -07 14 31.5 q G96
2015-04-11 05:44:15 C 12 27 28.83 -07 14 17.4 q G96
2015-04-11 05:50:50 C 12 27 28.31 -07 14 02.8 q G96
2015-04-11 07:23:30 C 12 27 21.78 -07 10 41.6 q 703
2015-04-11 07:30:42 C 12 27 21.32 -07 10 27.2 q 703
2015-04-11 07:37:54 C 12 27 20.76 -07 10 11.3 q 703
2015-04-11 07:45:06 C 12 27 20.31 -07 09 56.4 q 703
2015-04-13 06:04:18 C 12 24 29.22 -05 31 19.2 q G96
2015-04-13 06:11:09 C 12 24 28.76 -05 31 04.9 q G96
2015-04-13 06:18:01 C 12 24 28.32 -05 30 51.0 q G96
2015-04-13 09:28:35 C 12 24 16.979 -05 24 08.79 L F51
2015-04-13 09:44:09 C 12 24 15.943 -05 23 36.33 L F51
2015-04-13 09:59:46 C 12 24 14.911 -05 23 03.77 L F51
2015-04-15 09:52:35 C 12 21 32.664 -03 45 34.98 L F51
2015-04-15 10:07:52 C 12 21 31.712 -03 45 04.29 L F51
2015-04-17 05:10:18 C 12 19 19.39 -02 21 31.9 R G45
2015-04-17 05:13:00 C 12 19 19.24 -02 21 26.8 R G45
2015-04-17 05:22:34 C 12 19 18.71 -02 21 09.1 R G45
2015-04-17 05:31:32 C 12 19 18.22 -02 20 51.5 R G45
2015-04-17 05:40:02 C 12 19 17.77 -02 20 35.3 R G45
2015-04-18 05:10:51 C 12 18 10.64 -01 36 38.1 R G45
2015-04-18 05:20:07 C 12 18 10.17 -01 36 21.5 R G45
2015-04-18 05:28:45 C 12 18 09.70 -01 36 05.9 R G45
2015-04-18 05:37:38 C 12 18 09.25 -01 35 48.9 R G45
2015-04-20 15:30:16 C 12 15 39.86 +00 06 57.6 q D29