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
2016-11-08 04:30:35 C 23 17 28.04 -11 39 54.9 q 703
2016-11-08 04:39:14 C 23 17 28.46 -11 39 48.5 q 703
2016-11-08 04:56:35 C 23 17 29.30 -11 39 39.5 q 703
2016-11-14 06:21:36 C 23 24 41.903 -10 08 12.79 L F51
2016-11-14 06:37:05 C 23 24 42.655 -10 08 03.18 L F51
2016-11-14 06:52:36 C 23 24 43.413 -10 07 53.55 L F51
2016-11-14 07:08:06 C 23 24 44.171 -10 07 43.81 L F51
2016-11-21 11:49:57 C 23 33 49.18 -08 21 03.3 q Q60
2016-11-21 12:03:49 C 23 33 49.92 -08 20 55.5 q Q60
2016-11-21 12:17:46 C 23 33 50.62 -08 20 45.9 q Q60
2016-11-23 01:23:30 C 23 35 52.12 -07 58 17.4 V G45
2016-11-23 02:21:52 C 23 35 55.22 -07 57 42.0 V G45
2016-11-23 02:22:02 C 23 35 55.17 -07 57 40.9 V G45
2016-11-23 03:20:34 C 23 35 58.34 -07 57 05.8 V G45
2016-11-23 04:18:40 C 23 36 01.36 -07 56 30.8 V G45
2016-11-23 05:19:33 C 23 36 04.64 -07 55 52.9 V G45
2016-11-23 06:16:45 C 23 36 07.66 -07 55 18.8 V G45
2016-11-23 07:12:59 C 23 36 10.73 -07 54 42.9 V G45
2016-11-24 01:45:23 C 23 37 12.34 -07 43 29.4 V G45
2016-11-24 03:41:17 C 23 37 18.50 -07 42 18.8 V G45
2016-11-24 04:41:27 C 23 37 21.72 -07 41 41.0 V G45
2016-11-24 05:39:04 C 23 37 24.79 -07 41 06.4 V G45
2016-11-30 02:57:01 C 23 45 21.37 -06 16 03.2 q G96
2016-11-30 03:03:10 C 23 45 21.68 -06 15 59.3 q G96
2016-11-30 03:16:08 C 23 45 22.45 -06 15 51.8 q G96
2016-11-30 03:24:52 C 23 45 22.89 -06 15 46.6 q G96
2017-12-25 12:53:02 C 07 39 15.223 +27 26 24.22 U F51
2017-12-25 13:10:28 C 07 39 14.416 +27 26 26.95 U F51
2017-12-25 13:27:54 C 07 39 13.621 +27 26 29.92 U F51
2018-01-12 05:55:31 C 07 19 03.45 +28 24 53.1 U G96
2018-01-12 06:02:57 C 07 19 03.10 +28 24 54.4 U G96
2018-01-12 06:10:24 C 07 19 02.70 +28 24 54.5 U G96
2018-01-12 06:17:51 C 07 19 02.36 +28 24 54.9 U G96
2018-01-15 07:50:31 C 07 15 28.204 +28 32 24.74 U F51
2018-01-15 08:08:32 C 07 15 27.303 +28 32 26.43 U F51
2018-01-15 08:26:31 C 07 15 26.428 +28 32 28.23 U F51
2018-01-15 08:44:27 C 07 15 25.555 +28 32 29.90 U F51
2019-01-15 14:04:12 C 12 14 24.156 +05 51 45.51 U F52
2019-01-15 14:22:53 C 12 14 24.350 +05 51 46.05 U F52
2019-01-15 14:41:33 C 12 14 24.558 +05 51 46.41 U F52
2019-01-15 15:00:15 C 12 14 24.791 +05 51 46.90 U F52
2019-02-04 12:46:56 C 12 15 24.463 +06 36 12.12 U F52
2019-02-04 13:03:47 C 12 15 24.287 +06 36 15.00 U F52
2019-02-04 13:37:46 C 12 15 23.936 +06 36 20.30 U F52
2019-02-11 09:26:32 C 12 13 14.97 +07 06 55.7 V G96
2019-02-11 09:34:37 C 12 13 14.76 +07 06 58.8 V G96
2019-02-11 09:42:42 C 12 13 14.61 +07 06 58.9 V G96
2019-02-11 09:50:47 C 12 13 14.49 +07 07 01.6 V G96
2019-03-03 17:55:59 C 11 59 01.22 +09 15 23.5 q D29
2019-03-03 18:16:21 C 11 59 00.32 +09 15 29.7 q D29