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
2023-11-09 07:50:21 C 02 21 37.228 +10 45 51.62 V 703
2023-11-09 07:58:02 C 02 21 36.817 +10 45 51.44 V 703
2023-11-09 08:05:43 C 02 21 36.450 +10 45 51.26 V 703
2023-11-09 08:13:24 C 02 21 36.122 +10 45 51.55 V 703
2023-11-12 10:21:39 C 02 18 03.114 +10 41 35.12 X F51
2023-11-12 10:33:19 C 02 18 02.546 +10 41 34.51 X F51
2023-11-12 10:44:53 C 02 18 01.985 +10 41 33.95 X F51
2023-11-12 10:56:15 C 02 18 01.445 +10 41 33.26 X F51
2023-11-13 05:01:47 C 02 17 11.962 +10 40 46.63 V W68
2023-11-13 05:22:50 C 02 17 10.867 +10 40 45.37 V W68
2023-11-13 05:28:18 C 02 17 10.680 +10 40 44.94 V W68
2023-11-13 05:36:23 C 02 17 10.262 +10 40 45.55 V W68
2023-11-13 06:30:22 C 02 17 08.077 +10 40 34.54 V 703
2023-11-13 06:37:54 C 02 17 07.685 +10 40 34.10 V 703
2023-11-13 06:45:27 C 02 17 07.357 +10 40 33.56 V 703
2023-11-13 06:53:00 C 02 17 06.947 +10 40 34.25 V 703
2024-11-29 12:07:02 C 08 43 30.444 +23 50 18.41 X F52
2024-11-29 12:20:44 C 08 43 30.333 +23 50 20.09 X F52
2024-11-29 12:48:16 C 08 43 30.137 +23 50 23.39 X F52
2024-12-25 10:13:17 C 08 30 45.996 +25 31 25.58 X F52
2024-12-25 10:32:47 C 08 30 45.341 +25 31 29.41 X F52
2024-12-25 10:52:14 C 08 30 44.659 +25 31 33.28 X F52
2025-02-18 05:53:16 C 07 35 20.656 +28 25 02.20 X F52
2025-02-18 06:08:07 C 07 35 20.167 +28 25 02.75 X F52
2025-02-18 06:22:55 C 07 35 19.711 +28 25 02.94 X F52
2025-02-18 06:37:45 C 07 35 19.242 +28 25 03.24 X F52
2025-03-03 08:30:49 C 07 27 57.361 +28 23 34.72 X F51
2025-03-03 08:46:38 C 07 27 57.106 +28 23 34.36 X F51
2025-03-03 09:02:36 C 07 27 56.822 +28 23 33.64 X F51
2025-03-03 09:18:06 C 07 27 56.545 +28 23 33.39 X F51
2025-12-20 12:32:23 C 12 49 30.148 +00 16 15.46 V V00
2025-12-20 12:53:46 C 12 49 31.148 +00 16 10.20 V V00
2025-12-20 13:01:48 C 12 49 31.537 +00 16 08.04 V V00
2025-12-20 13:09:51 C 12 49 31.922 +00 16 05.95 V V00