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
2024-08-13 11:14:59 C 00 22 54.374 +17 47 52.08 V T08
2024-08-13 11:21:40 C 00 22 53.923 +17 47 48.12 V T08
2024-08-13 11:51:30 C 00 22 51.898 +17 47 30.08 V T08
2024-08-14 12:19:22 C 00 21 16.248 +17 32 15.47 V T08
2024-08-14 12:22:02 C 00 21 16.066 +17 32 13.78 V T08
2024-08-14 12:26:01 C 00 21 15.787 +17 32 11.29 V T08
2024-08-14 12:30:56 C 00 21 15.456 +17 32 07.94 V T05
2024-08-14 12:33:32 C 00 21 15.271 +17 32 06.29 V T05
2024-08-14 12:34:19 C 00 21 15.204 +17 32 06.00 V T08
2024-08-14 12:38:06 C 00 21 14.959 +17 32 03.41 V T05
2024-08-14 12:48:44 C 00 21 14.225 +17 31 56.93 V T05
2024-08-14 21:51:10 C 00 20 38.906 +17 26 03.73 Z C23
2024-08-15 00:46:36 C 00 20 26.918 +17 24 12.92 Z C23
2024-08-15 11:57:20 C 00 19 42.192 +17 17 06.72 V T05
2024-08-15 11:59:56 C 00 19 42.007 +17 17 05.14 V T05
2024-08-15 12:04:30 C 00 19 41.686 +17 17 02.11 V T05
2024-08-15 12:12:19 C 00 19 41.129 +17 16 57.07 V T05
2024-08-15 21:36:08 C 00 19 03.557 +17 10 41.16 Z C23
2024-08-15 21:43:07 C 00 19 03.084 +17 10 36.59 Z C23
2024-08-16 00:10:10 B 00 18 52.879 +17 09 01.01 V L65
2024-08-16 00:14:21 B 00 18 52.591 +17 08 58.27 V L65
2024-08-16 00:18:32 B 00 18 52.298 +17 08 55.54 V L65
2024-08-16 11:36:33 C 00 18 06.331 +17 01 33.64 V T05
2024-08-16 11:40:31 C 00 18 06.043 +17 01 31.01 V T05
2024-08-16 12:28:44 C 00 18 02.585 +17 00 59.08 V T05
2024-08-16 12:34:35 C 00 18 02.165 +17 00 55.15 V T05
2024-08-18 10:45:21 C 00 14 50.632 +16 29 24.28 X F51
2024-08-18 10:57:30 C 00 14 49.744 +16 29 15.88 X F51
2024-08-18 11:02:24 C 00 14 49.378 +16 29 12.57 X F52
2024-08-18 11:09:17 C 00 14 48.876 +16 29 07.80 V T05
2024-08-18 11:09:43 C 00 14 48.845 +16 29 07.49 X F51
2024-08-18 11:11:53 C 00 14 48.682 +16 29 05.93 V T05
2024-08-18 11:16:37 C 00 14 48.333 +16 29 02.61 X F52
2024-08-18 11:30:50 C 00 14 47.291 +16 28 52.90 X F52
2024-08-18 11:42:42 C 00 14 46.416 +16 28 44.54 V T05
2024-08-18 11:46:47 C 00 14 46.106 +16 28 41.81 V T05
2024-08-18 14:13:08 C 00 14 35.273 +16 26 59.64 V T08
2024-08-18 14:36:32 C 00 14 33.550 +16 26 43.19 V T08
2024-08-18 14:42:28 C 00 14 33.113 +16 26 38.94 V T08
2024-08-18 15:03:38 C 00 14 31.555 +16 26 24.00 V T08
2024-08-18 20:50:30 C 00 14 08.093 +16 22 12.36 Z C23
2024-08-18 23:00:02 C 00 13 58.786 +16 20 59.35 V M22
2024-08-18 23:02:38 C 00 13 58.598 +16 20 57.48 V M22
2024-08-18 23:07:54 C 00 13 58.212 +16 20 53.99 V M22
2024-08-18 23:42:29 C 00 13 55.654 +16 20 29.65 V M22
2024-08-19 00:20:02 C 00 13 52.975 +16 19 46.60 Z C23
2024-08-19 10:40:45 C 00 13 09.136 +16 12 31.58 X F51
2024-08-19 10:42:39 C 00 13 09.000 +16 12 30.30 X F51
2024-08-19 10:52:08 C 00 13 08.291 +16 12 23.55 X F51
2024-08-19 10:54:00 C 00 13 08.154 +16 12 22.25 X F51
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)