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
2009-04-29 07:16:51 C 13 32 12.94 -03 35 46.8 r G96
2009-04-30 05:57:51 C 13 30 59.87 -03 33 11.4 18.9 c 704
2009-04-30 06:12:21 C 13 30 58.98 -03 33 11.5 19.3 c 704
2009-04-30 06:26:47 C 13 30 58.30 -03 33 08.8 18.8 c 704
2009-04-30 06:41:16 C 13 30 57.41 -03 33 06.8 19.1 c 704
2009-04-30 06:55:43 C 13 30 56.52 -03 33 05.2 19.2 c 704
2009-05-13 06:04:56 C 13 15 41.58 -03 16 53.8 r G96
2009-05-13 06:16:49 C 13 15 41.04 -03 16 53.9 r G96
2009-05-13 06:28:39 C 13 15 40.50 -03 16 54.0 r G96
2009-05-13 06:40:28 C 13 15 39.96 -03 16 54.1 r G96
2009-05-25 05:58:14 C 13 06 10.47 -03 40 12.6 r 703
2009-05-25 06:09:35 C 13 06 10.15 -03 40 14.4 r 703
2009-05-25 06:20:52 C 13 06 09.93 -03 40 16.6 r 703
2009-05-25 06:33:33 C 13 06 09.61 -03 40 18.3 r 703
2009-06-24 05:16:31 C 13 10 27.26 -07 30 01.2 r 703
2009-06-24 05:25:07 C 13 10 27.58 -07 30 05.8 r 703
2009-06-24 05:33:54 C 13 10 27.87 -07 30 09.2 r 703
2009-06-24 05:42:32 C 13 10 28.16 -07 30 13.3 r 703
2012-01-21 11:18:13 C 11 15 55.84 +13 02 49.7 o 691
2012-01-21 11:44:03 C 11 15 55.48 +13 02 54.7 o 691
2012-02-16 12:33:33 C 10 58 22.912 +15 43 19.64 L F51
2012-02-16 12:54:43 C 10 58 22.030 +15 43 25.90 L F51
2012-02-16 13:15:55 C 10 58 21.148 +15 43 32.07 L F51
2012-02-16 13:37:05 C 10 58 20.267 +15 43 38.26 L F51
2012-02-24 08:26:06 C 10 50 18.99 +16 38 04.3 r G96
2012-02-24 08:38:36 C 10 50 18.38 +16 38 08.8 r G96
2012-02-24 08:51:02 C 10 50 17.84 +16 38 11.6 r G96
2012-02-24 09:03:34 C 10 50 17.26 +16 38 15.1 r G96
2012-03-16 07:00:23 C 10 27 15.40 +18 38 32.3 r G96
2012-03-16 07:11:17 C 10 27 14.94 +18 38 34.2 r G96
2012-03-16 07:22:18 C 10 27 14.43 +18 38 36.3 r G96
2012-03-16 07:33:20 C 10 27 13.93 +18 38 38.2 r G96
2012-03-25 03:36:41 C 10 18 44.83 +19 08 23.9 o 691
2012-03-25 04:00:14 C 10 18 43.92 +19 08 26.4 o 691
2012-03-25 04:23:48 C 10 18 43.05 +19 08 29.1 o 691
2013-11-02 10:58:44 C 05 01 44.41 +23 20 09.2 q G96
2013-11-02 11:09:13 C 05 01 43.98 +23 20 09.7 q G96
2013-11-02 11:19:40 C 05 01 43.55 +23 20 10.3 q G96
2013-11-02 11:30:08 C 05 01 43.15 +23 20 10.9 q G96
2013-11-26 06:22:20 C 04 33 02.08 +23 21 16.6 q G96
2013-11-26 06:39:24 C 04 33 01.07 +23 21 16.2 q G96
2013-11-26 06:55:48 C 04 33 00.10 +23 21 15.5 q G96
2013-11-26 07:12:12 C 04 32 59.20 +23 21 15.3 q G96
2013-12-28 04:46:58 C 03 57 41.67 +22 40 36.7 q G96
2013-12-28 04:53:53 C 03 57 41.41 +22 40 38.3 q G96
2013-12-28 04:54:37 C 03 57 41.29 +22 40 38.1 q G96
2013-12-28 05:00:47 C 03 57 41.15 +22 40 37.2 q G96
2013-12-28 05:01:31 C 03 57 41.09 +22 40 37.3 q G96
2013-12-28 05:07:42 C 03 57 40.92 +22 40 37.4 q G96
2013-12-28 05:08:26 C 03 57 40.92 +22 40 37.1 q G96