30825 (1990 TG1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6809203473 ± 2.83e-09
Semi-major axis (a)2.4362810357 AU ± 4.82e-10
Inclination (i)8.73644388° ± 8.51e-07
Long. of Asc. Node (Ω)205.01518997° ± 5.97e-06
Arg. of Perihelion (ω)33.67138835° ± 5.96e-06
Mean Anomaly (M)144.17930526° ± 5.95e-07
Mean Motion (n)0.2591917651°/day ± 7.69e-11
Perihelion dist (q)0.77736771 AU ± 6.90e-09
Aphelion dist (Q)4.09519436 AU ± 6.95e-09
Orbital Period3.80269135 yr ± 1.13e-09
Physical Parameters
H (abs. magnitude)14.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.198″
Uncertainty0
Orbit TypeApollo
MOID0.069625 AU
Observations Used3131
Radar Obs Used2
Oppositions11
Arc Total1990-2026
First Observation Used1990-09-16
Last Observation Used2026-01-09
Observations (3512)
Date Type RA Dec Mag Band Observatory
2024-02-16 22:05:49 C 08 05 18.530 -02 39 56.16 Z C23
2024-02-17 01:19:03 B 08 04 58.75 -02 38 55.9 q X33
2024-02-17 01:21:06 B 08 04 58.52 -02 38 53.1 q X33
2024-02-17 01:23:07 B 08 04 58.26 -02 38 52.2 q X33
2024-02-17 18:41:24 B 08 03 09.970 -02 34 35.08 V 160
2024-02-17 18:47:05 B 08 03 09.362 -02 34 33.67 V 160
2024-02-17 18:52:57 B 08 03 08.726 -02 34 31.94 V 160
2024-02-18 18:34:05 C 08 00 39.13 -02 27 56.7 X G02
2024-02-18 18:37:27 C 08 00 38.75 -02 27 56.2 X G02
2024-02-18 18:40:31 C 08 00 38.40 -02 27 55.3 X G02
2024-02-19 03:07:35 C 07 59 44.316 -02 25 05.27 V W68
2024-02-19 03:12:11 C 07 59 43.814 -02 25 03.94 V W68
2024-02-19 03:22:40 C 07 59 42.660 -02 25 00.77 V W68
2024-02-19 03:38:22 C 07 59 40.932 -02 24 56.12 V W68
2024-02-19 16:37:09 B 07 58 18.21 -02 21 12.9 Z O53
2024-02-19 16:48:05 B 07 58 17.00 -02 21 09.6 Z O53
2024-02-19 16:58:39 B 07 58 15.84 -02 21 06.2 Z O53
2024-02-19 19:39:05 B 07 57 59.635 -02 20 24.00 V 160
2024-02-19 19:43:57 B 07 57 59.112 -02 20 22.09 V 160
2024-02-19 19:48:50 B 07 57 58.565 -02 20 20.76 V 160
2024-02-19 20:36:21 C 07 57 53.35 -02 20 06.1 V G17
2024-02-19 20:44:00 C 07 57 52.51 -02 20 03.9 V G17
2024-02-19 20:51:39 C 07 57 51.68 -02 20 01.5 V G17
2024-02-20 01:24:15 B 07 57 22.79 -02 18 22.1 q X33
2024-02-20 01:26:17 B 07 57 22.58 -02 18 22.7 q X33
2024-02-20 01:28:19 B 07 57 22.21 -02 18 23.0 q X33
2024-02-20 08:37:43 C 07 56 36.391 -02 16 11.10 V T05
2024-02-20 09:18:43 C 07 56 31.834 -02 15 57.82 V T05
2024-02-20 09:36:18 C 07 56 29.880 -02 15 52.13 V T05
2024-02-20 13:21:22 B 07 56 06.77 -02 14 36.8 Z O54
2024-02-20 13:28:21 B 07 56 06.00 -02 14 34.5 Z O54
2024-02-20 13:35:19 B 07 56 05.22 -02 14 32.1 Z O54
2024-02-20 16:30:04 B 07 55 45.74 -02 13 35.2 Z O53
2024-02-20 16:36:34 B 07 55 45.01 -02 13 32.9 Z O53
2024-02-20 16:43:06 B 07 55 44.28 -02 13 30.9 Z O53
2024-02-20 19:17:23 B 07 55 28.661 -02 12 47.05 V 160
2024-02-20 19:22:21 B 07 55 28.118 -02 12 45.43 V 160
2024-02-20 19:27:08 B 07 55 27.586 -02 12 43.99 V 160
2024-02-21 00:00:26 C 07 54 58.45 -02 10 50.1 834
2024-02-21 00:38:28 C 07 54 54.22 -02 10 37.4 834
2024-02-22 03:03:01 B 07 52 04.46 -02 01 43.1 X W42
2024-02-22 03:09:03 B 07 52 03.78 -02 01 40.9 X W42
2024-02-22 03:15:02 B 07 52 03.12 -02 01 38.7 X W42
2024-02-25 04:07:02 C 07 44 13.750 -01 33 06.80 V U52
2024-02-25 04:11:14 C 07 44 13.291 -01 33 05.26 V U52
2024-02-25 04:15:23 C 07 44 12.828 -01 33 03.28 V U52
2024-02-25 18:23:41 B 07 42 41.810 -01 26 59.39 V 160
2024-02-25 18:31:40 B 07 42 40.925 -01 26 56.04 V 160
2024-02-25 18:39:17 B 07 42 40.070 -01 26 52.55 V 160
2024-02-26 19:30:49 C 07 39 59.314 -01 15 43.15 W M01
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-04-18 15:03:00 -200938.8659 2 Hz 2380 -1 -1
2005-04-18 15:56:00 189568822.48 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)