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
2013-11-08 04:37:01 C 01 27 14.50 +08 01 36.6 q G96
2013-11-08 04:37:46 C 01 27 14.48 +08 01 36.3 q G96
2013-11-08 04:50:00 C 01 27 14.03 +08 01 33.3 q G96
2013-11-24 12:44:18 C 01 16 09.41 +06 37 38.2 q D29
2013-11-24 13:12:56 C 01 16 08.87 +06 37 33.1 q D29
2013-11-24 13:41:34 C 01 16 08.22 +06 37 27.2 q D29
2013-11-26 06:06:42 C 01 15 19.77 +06 31 04.8 q 703
2013-11-26 06:16:11 C 01 15 19.65 +06 31 04.1 q 703
2013-11-26 06:25:37 C 01 15 19.49 +06 31 00.6 q 703
2013-11-26 06:35:03 C 01 15 19.22 +06 31 00.5 q 703
2013-12-26 01:43:11 C 01 11 21.02 +05 47 09.3 q G96
2013-12-26 01:53:58 C 01 11 21.09 +05 47 09.5 q G96
2013-12-26 02:04:42 C 01 11 21.17 +05 47 09.5 q G96
2013-12-26 02:15:25 C 01 11 21.21 +05 47 10.1 q G96
2014-01-12 02:52:32 C 01 16 34.73 +06 11 45.3 q G96
2014-01-12 03:05:19 C 01 16 34.94 +06 11 46.1 q G96
2014-01-12 03:22:44 C 01 16 35.27 +06 11 48.1 q G96
2014-01-12 03:35:29 C 01 16 35.47 +06 11 49.6 q G96
2014-10-05 10:59:11 C 04 27 30.79 +16 17 52.8 q G96
2014-10-05 11:10:14 C 04 27 30.61 +16 17 51.7 q G96
2014-10-05 11:21:14 C 04 27 30.44 +16 17 51.2 q G96
2014-10-05 11:36:49 C 04 27 30.22 +16 17 48.8 q G96
2014-10-18 09:30:00 C 04 21 30.74 +15 40 04.4 q G96
2014-10-18 09:44:39 C 04 21 30.37 +15 40 02.2 q G96
2014-10-18 09:51:59 C 04 21 30.19 +15 40 01.5 q G96
2014-10-24 09:00:35 C 04 17 43.81 +15 20 24.7 o 691
2014-10-24 09:29:50 C 04 17 42.94 +15 20 20.5 o 691
2014-10-24 09:55:23 C 04 17 42.23 +15 20 16.9 o 691
2014-10-25 08:42:46 C 04 17 02.98 +15 17 03.2 o 691
2014-10-25 09:12:04 C 04 17 02.10 +15 16 59.7 o 691
2014-10-25 09:41:18 C 04 17 01.24 +15 16 55.4 o 691
2014-10-28 07:29:31 C 04 14 55.78 +15 06 52.6 o 691
2014-10-28 07:58:50 C 04 14 54.85 +15 06 48.4 o 691
2014-10-28 08:24:25 C 04 14 54.08 +15 06 44.7 o 691
2014-10-30 08:26:53 C 04 13 23.39 +14 59 42.3 o 691
2014-10-30 08:56:17 C 04 13 22.46 +14 59 38.2 o 691
2014-10-30 09:25:40 C 04 13 21.47 +14 59 34.0 o 691
2014-11-20 11:29:50 C 03 55 00.935 +13 42 48.38 L F51
2014-11-20 11:46:02 C 03 55 00.308 +13 42 45.91 L F51
2014-11-20 12:02:12 C 03 54 59.664 +13 42 43.57 L F51
2014-11-20 12:18:19 C 03 54 59.035 +13 42 41.10 L F51
2014-11-26 04:50:57 C 03 49 42.76 +13 22 39.3 o 691
2014-11-26 05:20:16 C 03 49 41.61 +13 22 35.9 o 691
2014-11-26 05:49:31 C 03 49 40.47 +13 22 31.4 o 691
2014-11-26 07:18:46 C 03 49 37.149 +13 22 19.00 L F51
2014-11-26 07:34:56 C 03 49 36.519 +13 22 16.58 L F51
2014-11-26 07:51:03 C 03 49 35.886 +13 22 14.26 L F51
2014-11-26 08:07:10 C 03 49 35.261 +13 22 12.09 L F51
2014-11-30 03:06:59 C 03 46 07.29 +13 09 27.6 o 691
2014-11-30 03:36:15 C 03 46 06.17 +13 09 23.7 o 691
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)