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
2005-12-04 02:19:04 C 23 29 24.99 -01 16 57.0 19.9 c 704
2005-12-04 02:21:50 C 23 29 25.08 -01 16 57.7 r G96
2005-12-04 02:28:52 C 23 29 25.29 -01 16 57.1 r G96
2005-12-04 02:35:55 C 23 29 25.51 -01 16 56.6 r G96
2005-12-04 02:38:02 C 23 29 25.57 -01 16 55.0 19.6 c 704
2005-12-04 02:57:04 C 23 29 26.09 -01 16 53.9 19.9 c 704
2005-12-21 02:39:27 C 23 43 15.38 -00 28 33.9 r 703
2005-12-21 02:50:07 C 23 43 15.78 -00 28 32.1 r 703
2005-12-21 03:00:46 C 23 43 16.14 -00 28 29.0 r 703
2005-12-21 03:11:26 C 23 43 16.50 -00 28 26.0 r 703
2006-01-28 02:15:31 C 00 22 21.39 +02 44 37.9 r G96
2006-01-28 02:21:47 C 00 22 21.72 +02 44 40.0 r G96
2006-01-28 02:28:06 C 00 22 22.04 +02 44 41.1 r G96
2006-01-28 02:34:23 C 00 22 22.29 +02 44 42.8 r G96
2006-09-30 10:21:57 C 03 43 48.36 +15 49 55.2 r G96
2006-09-30 10:32:32 C 03 43 48.14 +15 49 53.7 r G96
2006-09-30 10:43:01 C 03 43 47.96 +15 49 52.3 r G96
2006-09-30 10:53:34 C 03 43 47.71 +15 49 50.9 r G96
2006-10-16 09:17:03 C 03 34 05.55 +14 51 19.5 r 703
2006-10-16 09:27:57 C 03 34 05.37 +14 51 16.4 r 703
2006-10-16 09:38:13 C 03 34 05.01 +14 51 17.2 r 703
2006-10-16 09:48:34 C 03 34 04.69 +14 51 15.2 r 703
2006-10-18 09:27:12 C 03 32 34.84 +14 42 59.1 c 691
2006-10-18 09:52:15 C 03 32 34.01 +14 42 55.0 c 691
2006-10-18 10:17:18 C 03 32 33.20 +14 42 50.5 c 691
2006-10-22 08:59:00 C 03 29 24.94 +14 25 56.1 c 691
2006-10-22 09:28:57 C 03 29 23.92 +14 25 51.7 c 691
2006-10-22 09:58:53 C 03 29 22.84 +14 25 46.2 c 691
2006-11-17 06:48:29 C 03 06 01.76 +12 28 43.1 r G96
2006-11-17 06:58:08 C 03 06 01.40 +12 28 41.3 r G96
2006-11-17 07:07:46 C 03 06 01.00 +12 28 39.6 r G96
2006-11-17 07:17:30 C 03 06 00.64 +12 28 37.9 r G96
2006-12-26 03:05:41 C 02 39 26.78 +10 31 23.8 r G96
2006-12-26 03:15:18 C 02 39 26.56 +10 31 23.3 r G96
2006-12-26 03:24:59 C 02 39 26.46 +10 31 23.0 r G96
2006-12-26 03:34:38 C 02 39 26.24 +10 31 22.1 r G96
2008-01-08 04:16:06 C 04 36 54.15 +12 46 29.9 c 711
2008-01-08 04:30:00 C 04 36 53.63 +12 46 30.1 c 711
2008-01-08 04:43:54 C 04 36 53.24 +12 46 29.9 c 711
2008-11-30 10:47:58 C 11 48 00.93 -07 06 05.8 17.9 c 704
2008-11-30 11:06:16 C 11 48 03.42 -07 06 22.3 18.3 c 704
2008-11-30 11:24:26 C 11 48 05.89 -07 06 37.5 18.4 c 704
2008-11-30 11:42:42 C 11 48 08.38 -07 06 53.9 18.1 c 704
2008-11-30 12:00:49 C 11 48 10.80 -07 07 09.2 18.3 c 704
2008-12-01 12:46:16 C 11 51 34.66 -07 28 45.6 o 291
2008-12-01 12:51:34 C 11 51 35.44 -07 28 50.2 o 291
2008-12-01 12:56:52 C 11 51 36.17 -07 28 54.7 o 291
2009-07-24 09:11:13 C 01 48 51.75 +15 37 18.7 18.5 c 704
2009-07-24 09:26:21 C 01 48 52.03 +15 37 20.7 19.2 c 704
2009-07-24 09:41:28 C 01 48 52.32 +15 37 22.0 19.7 c 704
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)