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
2023-09-10 12:21:34 C 03 16 34.100 +11 54 49.22 X F51
2023-09-10 12:37:20 C 03 16 34.162 +11 54 50.39 X F51
2023-09-18 11:59:10 C 03 16 13.732 +12 03 34.92 V V00
2023-09-18 12:04:26 C 03 16 13.670 +12 03 35.03 V V00
2023-09-18 12:09:44 C 03 16 13.595 +12 03 35.24 V V00
2023-09-18 12:15:01 C 03 16 13.516 +12 03 35.28 V V00
2023-09-27 10:28:49 C 03 12 20.830 +12 03 52.00 X F51
2023-09-27 10:45:50 C 03 12 20.346 +12 03 51.81 X F51
2023-09-27 11:03:02 C 03 12 19.857 +12 03 51.48 X F51
2023-09-27 11:20:18 C 03 12 19.359 +12 03 51.22 X F51
2023-10-05 11:11:58 C 03 05 52.112 +11 56 23.10 V G96
2023-10-05 11:19:19 C 03 05 51.778 +11 56 22.92 V G96
2023-10-05 11:26:39 C 03 05 51.482 +11 56 22.45 V G96
2023-10-05 11:33:59 C 03 05 51.162 +11 56 22.06 V G96
2023-10-08 08:11:16 C 03 02 56.983 +11 52 09.30 V 703
2023-10-08 08:18:24 C 03 02 56.627 +11 52 08.72 V 703
2023-10-08 08:25:31 C 03 02 56.270 +11 52 07.75 V 703
2023-10-08 08:32:39 C 03 02 55.982 +11 52 08.65 V 703
2023-10-09 00:09:33 B 03 02 13.91 +11 51 00.0 X K19
2023-10-09 00:14:58 B 03 02 13.65 +11 51 01.8 X K19
2023-10-09 00:20:30 B 03 02 13.35 +11 51 02.3 X K19
2023-10-10 08:43:49 C 03 00 43.315 +11 48 44.78 V 703
2023-10-10 08:51:09 C 03 00 42.926 +11 48 44.17 V 703
2023-10-10 08:58:36 C 03 00 42.595 +11 48 43.27 V 703
2023-10-10 09:06:08 C 03 00 42.228 +11 48 42.55 V 703
2023-10-11 05:14:41 C 02 59 44.664 +11 47 21.44 V W68
2023-10-11 06:03:05 C 02 59 42.209 +11 47 17.12 V W68
2023-10-11 06:05:45 C 02 59 42.125 +11 47 17.41 V W68
2023-10-11 06:10:19 C 02 59 41.820 +11 47 17.52 V W68
2023-10-12 08:12:11 C 02 58 25.482 +11 45 05.51 V G96
2023-10-12 08:19:39 C 02 58 25.097 +11 45 04.97 V G96
2023-10-12 08:27:08 C 02 58 24.697 +11 45 04.36 V G96
2023-10-12 08:34:37 C 02 58 24.330 +11 45 03.38 V G96
2023-10-12 12:04:53 C 02 58 13.838 +11 44 49.31 V T05
2023-10-12 12:17:58 C 02 58 13.104 +11 44 47.80 V T05
2023-10-12 12:21:56 C 02 58 12.931 +11 44 47.40 V T05
2023-10-12 13:02:43 C 02 58 10.733 +11 44 44.05 V T05
2023-10-13 03:54:29 C 02 57 26.546 +11 43 39.04 V W68
2023-10-13 03:57:07 C 02 57 26.357 +11 43 38.42 V W68
2023-10-13 04:46:26 C 02 57 23.779 +11 43 34.54 V W68
2023-10-13 05:06:28 C 02 57 22.730 +11 43 32.77 V W68
2023-10-14 04:46:35 C 02 56 10.248 +11 41 34.66 V W68
2023-10-14 04:50:34 C 02 56 10.001 +11 41 34.33 V W68
2023-10-14 04:54:29 C 02 56 09.823 +11 41 33.83 V W68
2023-10-14 05:42:38 C 02 56 07.229 +11 41 30.05 V W68
2023-10-14 17:15:52 C 02 55 31.370 +11 40 29.46 V P07
2023-10-14 18:51:36 C 02 55 26.081 +11 40 21.58 V P07
2023-10-14 19:27:57 C 02 55 24.062 +11 40 18.59 V P07
2023-10-14 20:09:06 C 02 55 21.842 +11 40 14.56 V P07
2023-10-15 08:39:11 C 02 54 42.883 +11 39 00.97 V 703