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
2024-08-03 12:37:00 C 00 36 21.938 +19 52 43.36 V T05
2024-08-03 12:45:02 C 00 36 21.521 +19 52 39.90 V T05
2024-08-03 12:53:04 C 00 36 21.113 +19 52 36.55 V T05
2024-08-04 12:39:26 C 00 35 11.906 +19 42 06.62 V T05
2024-08-04 12:45:16 C 00 35 11.604 +19 42 04.10 V T05
2024-08-04 12:50:28 C 00 35 11.326 +19 42 01.76 V T05
2024-08-04 12:57:49 C 00 35 10.932 +19 41 58.45 V T05
2024-08-05 12:22:41 C 00 34 00.214 +19 31 12.94 V T08
2024-08-05 12:25:21 C 00 34 00.067 +19 31 11.75 V T08
2024-08-05 12:30:40 C 00 33 59.772 +19 31 09.26 V T08
2024-08-05 12:37:59 C 00 33 59.371 +19 31 05.81 V T08
2024-08-05 23:03:00 C 00 33 27.242 +19 26 02.22 Z C23
2024-08-05 23:09:29 C 00 33 26.914 +19 25 59.12 Z C23
2024-08-05 23:50:26 C 00 33 24.718 +19 25 39.97 Z C23
2024-08-06 11:46:58 C 00 32 46.994 +19 20 02.22 V T08
2024-08-06 11:50:58 C 00 32 46.764 +19 20 00.31 V T08
2024-08-06 11:54:57 C 00 32 46.550 +19 19 58.48 V T08
2024-08-06 12:22:06 C 00 32 45.010 +19 19 45.34 V T08
2024-08-07 12:13:22 C 00 31 27.677 +19 07 55.45 V T05
2024-08-07 12:16:38 C 00 31 27.492 +19 07 53.76 V T05
2024-08-07 12:21:50 C 00 31 27.178 +19 07 51.20 V T05
2024-08-07 12:29:39 C 00 31 26.722 +19 07 47.24 V T05
2024-08-08 11:31:10 C 00 30 09.851 +18 55 56.53 X F52
2024-08-08 11:48:16 C 00 30 08.828 +18 55 47.75 X F52
2024-08-08 12:05:22 C 00 30 07.800 +18 55 38.93 X F52
2024-08-08 12:16:20 C 00 30 07.150 +18 55 33.35 V T05
2024-08-08 12:20:54 C 00 30 06.871 +18 55 30.94 V T05
2024-08-08 12:27:50 C 00 30 06.456 +18 55 27.41 V T05
2024-08-08 12:35:20 C 00 30 06.005 +18 55 23.41 V T05
2024-08-09 12:04:46 C 00 28 45.041 +18 42 52.70 V T08
2024-08-09 12:09:16 C 00 28 44.755 +18 42 50.26 V T08
2024-08-09 12:15:33 C 00 28 44.369 +18 42 46.87 V T08
2024-08-09 15:09:32 C 00 28 33.550 +18 41 12.30 V T08
2024-08-09 21:53:28 C 00 28 10.714 +18 37 23.12 Z C23
2024-08-10 00:40:35 C 00 28 00.571 +18 35 52.55 Z C23
2024-08-10 11:57:16 C 00 27 20.333 +18 29 43.44 V T08
2024-08-10 12:01:55 C 00 27 20.040 +18 29 40.92 V T08
2024-08-10 12:07:18 C 00 27 19.697 +18 29 37.90 V T08
2024-08-10 12:14:38 C 00 27 19.231 +18 29 33.83 V T08
2024-08-11 13:01:27 C 00 25 48.708 +18 15 26.82 V T05
2024-08-11 13:04:03 C 00 25 48.530 +18 15 25.24 V T05
2024-08-11 13:55:20 C 00 25 45.178 +18 14 55.61 V T05
2024-08-11 15:01:55 C 00 25 40.826 +18 14 16.62 V T05
2024-08-12 00:10:46 C 00 25 07.495 +18 08 49.34 Z C23
2024-08-12 01:01:43 C 00 25 04.234 +18 08 19.46 Z C23
2024-08-12 11:49:24 C 00 24 23.765 +18 02 02.54 V T05
2024-08-12 11:52:00 C 00 24 23.587 +18 02 01.00 V T05
2024-08-12 11:56:34 C 00 24 23.292 +18 01 58.26 V T05
2024-08-12 12:47:05 C 00 24 19.927 +18 01 28.27 V T05
2024-08-13 11:11:00 C 00 22 54.638 +17 47 54.56 V T08
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)