39557 Gielgud (1992 JG)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4261614275 ± 2.16e-08
Semi-major axis (a)2.2638033855 AU ± 2.20e-09
Inclination (i)5.54729065° ± 3.13e-06
Long. of Asc. Node (Ω)58.45697784° ± 3.28e-05
Arg. of Perihelion (ω)239.99690005° ± 3.30e-05
Mean Anomaly (M)268.05430012° ± 3.70e-06
Mean Motion (n)0.2893704759°/day ± 4.21e-10
Perihelion dist (q)1.29905770 AU ± 4.89e-08
Aphelion dist (Q)3.22854907 AU ± 4.90e-08
Orbital Period3.40610520 yr ± 4.96e-09
Physical Parameters
H (abs. magnitude)17.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.368″
Uncertainty0
Orbit TypeAmor
MOID0.296754 AU
Observations Used559
Oppositions23
Arc Total1992-2025
First Observation Used1992-05-02
Last Observation Used2025-12-20
Observations (584)
Date Type RA Dec Mag Band Observatory
2006-10-16 09:27:57 C 03 33 41.43 +15 45 43.6 r 703
2006-10-16 09:38:13 C 03 33 41.04 +15 45 44.4 r 703
2006-10-16 09:48:34 C 03 33 40.53 +15 45 42.8 r 703
2006-10-17 07:17:24 C 03 32 41.38 +15 44 37.6 r G96
2006-10-17 07:27:08 C 03 32 40.99 +15 44 37.3 r G96
2006-10-17 07:37:05 C 03 32 40.48 +15 44 36.6 r G96
2006-10-17 07:46:55 C 03 32 40.02 +15 44 36.1 r G96
2006-10-18 09:27:12 C 03 31 26.89 +15 43 13.2 c 691
2006-10-18 09:52:15 C 03 31 25.68 +15 43 11.5 c 691
2006-10-18 10:17:18 C 03 31 24.38 +15 43 10.1 c 691
2006-10-22 08:48:14 C 03 26 39.86 +15 37 15.8 c 691
2006-10-22 09:13:14 C 03 26 38.49 +15 37 14.1 c 691
2006-10-22 09:48:09 C 03 26 36.60 +15 37 11.5 c 691
2006-11-08 09:44:06 C 03 03 37.38 +15 02 22.1 o 644
2006-11-08 10:15:17 C 03 03 35.55 +15 02 19.0 o 644
2006-11-08 10:44:42 C 03 03 33.84 +15 02 16.3 o 644
2006-11-09 07:42:23 C 03 02 23.11 +15 00 20.7 o 644
2006-11-09 08:12:22 C 03 02 21.37 +15 00 17.9 o 644
2006-11-09 08:44:03 C 03 02 19.53 +15 00 14.7 o 644
2006-11-10 07:30:10 C 03 01 03.13 +14 58 09.3 o 644
2006-11-10 07:49:37 C 03 01 02.00 +14 58 07.6 o 644
2006-11-10 08:01:59 C 03 01 01.27 +14 58 06.8 o 644
2006-11-10 08:19:23 C 03 01 00.25 +14 58 05.0 o 644
2006-11-10 08:31:44 C 03 00 59.56 +14 58 03.7 o 644
2006-11-10 08:49:12 C 03 00 58.54 +14 58 02.2 o 644
2006-11-11 06:56:38 C 02 59 45.02 +14 56 01.5 r 703
2006-11-11 07:12:34 C 02 59 44.08 +14 55 59.6 r 703
2006-11-11 07:28:31 C 02 59 43.18 +14 55 59.1 r 703
2006-11-11 07:44:25 C 02 59 42.32 +14 55 57.7 r 703
2006-11-12 08:45:43 C 02 58 19.74 +14 53 42.0 r G96
2006-11-12 08:46:31 C 02 58 19.66 +14 53 41.9 r G96
2006-11-12 08:52:09 C 02 58 19.38 +14 53 41.4 r G96
2006-11-12 08:52:55 C 02 58 19.30 +14 53 41.6 r G96
2006-11-12 08:58:36 C 02 58 19.02 +14 53 40.9 r G96
2006-11-12 08:59:22 C 02 58 18.98 +14 53 40.8 r G96
2006-11-12 09:05:00 C 02 58 18.66 +14 53 40.5 r G96
2006-11-18 06:21:51 C 02 50 55.98 +14 41 49.1 19.7 c 704
2006-11-18 06:39:34 C 02 50 55.08 +14 41 46.8 20.0 c 704
2006-11-18 06:57:27 C 02 50 54.20 +14 41 45.3 19.8 c 704
2006-11-18 07:15:11 C 02 50 53.25 +14 41 44.0 20.0 c 704
2006-11-18 07:32:57 C 02 50 52.37 +14 41 43.4 20.0 c 704
2006-11-27 05:15:45 C 02 41 23.31 +14 28 18.5 r 703
2006-11-27 05:30:18 C 02 41 22.70 +14 28 18.6 r 703
2006-11-27 05:44:52 C 02 41 22.09 +14 28 17.7 r 703
2006-11-27 05:59:28 C 02 41 21.48 +14 28 16.7 r 703
2007-01-17 03:45:13 C 02 36 25.16 +15 58 06.3 r G96
2007-01-17 03:55:16 C 02 36 25.38 +15 58 08.1 r G96
2007-01-17 04:05:29 C 02 36 25.66 +15 58 10.3 r G96
2007-01-17 04:15:30 C 02 36 25.88 +15 58 11.5 r G96
2008-02-07 06:19:28 C 07 59 05.28 +27 48 36.2 r G96