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
2004-12-11 09:39:43 C 09 33 11.53 +01 12 51.6 r H41
2004-12-12 11:19:27 C 09 33 54.85 +01 01 13.0 d 703
2004-12-12 11:30:09 C 09 33 55.15 +01 01 08.4 d 703
2004-12-12 11:40:50 C 09 33 55.39 +01 01 03.1 d 703
2004-12-12 11:51:32 C 09 33 55.68 +01 00 58.1 d 703
2004-12-13 23:24:06 C 09 34 53.86 +00 44 43.1 o 084
2004-12-18 10:15:40 C 09 37 32.08 -00 04 29.0 d 703
2004-12-18 10:26:51 C 09 37 32.34 -00 04 34.0 d 703
2004-12-18 10:38:03 C 09 37 32.58 -00 04 39.3 d 703
2004-12-18 10:49:18 C 09 37 32.82 -00 04 44.5 d 703
2004-12-19 08:54:09 C 09 38 02.53 -00 15 01.4 r H41
2004-12-19 08:57:10 C 09 38 02.52 -00 15 02.2 r H41
2004-12-19 08:59:19 C 09 38 02.57 -00 15 03.6 r H41
2004-12-19 09:01:33 C 09 38 02.64 -00 15 04.4 r H41
2004-12-20 08:24:46 C 09 38 32.96 -00 25 58.4 o 699
2004-12-20 08:52:48 C 09 38 33.52 -00 26 12.1 o 699
2004-12-20 09:20:49 C 09 38 34.02 -00 26 24.9 o 699
2004-12-20 09:48:50 C 09 38 34.56 -00 26 37.9 o 699
2004-12-31 02:31:22 C 09 42 32.44 -02 28 17.5 r 170
2004-12-31 02:33:04 C 09 42 32.45 -02 28 18.3 r 170
2004-12-31 02:37:55 C 09 42 32.48 -02 28 20.8 r 170
2005-01-01 00:19:41 C 09 42 44.03 -02 38 46.4 o 084
2005-01-08 02:00:29 C 09 43 18.99 -04 00 25.6 o 084
2005-01-10 01:48:26 C 09 43 09.78 -04 23 23.8 r 557
2005-01-10 01:58:05 C 09 43 09.72 -04 23 28.6 r 557
2005-01-10 02:04:31 C 09 43 09.68 -04 23 31.6 r 557
2005-01-10 18:58:02 C 09 43 04.03 -04 31 36.4 r 379
2005-01-10 19:04:29 C 09 43 03.96 -04 31 39.1 r 379
2005-01-10 19:08:48 C 09 43 03.93 -04 31 41.1 r 379
2005-01-16 01:18:06 C 09 41 44.60 -05 31 52.1 o 084
2005-01-16 15:15:29 C 09 41 31.83 -05 38 25.5 r 379
2005-01-16 15:17:39 C 09 41 31.80 -05 38 26.4 r 379
2005-01-16 15:19:48 C 09 41 31.79 -05 38 27.8 r 379
2005-01-16 15:21:56 C 09 41 31.73 -05 38 28.1 r 379
2005-01-16 22:48:07 C 09 41 24.39 -05 42 00.8 r 557
2005-01-16 23:17:05 C 09 41 23.85 -05 42 14.4 r 557
2005-01-16 23:46:01 C 09 41 23.30 -05 42 28.1 r 557
2005-01-17 00:18:11 C 09 41 22.69 -05 42 43.3 r 557
2005-01-17 00:47:07 C 09 41 22.14 -05 42 57.0 r 557
2005-01-17 01:16:03 C 09 41 21.58 -05 43 10.6 r 557
2005-01-17 01:48:12 C 09 41 20.96 -05 43 25.7 r 557
2005-01-17 02:10:44 C 09 41 20.53 -05 43 36.4 r 557
2005-01-17 15:40:39 C 09 41 06.56 -05 49 55.9 r 379
2005-01-17 15:51:25 C 09 41 06.37 -05 50 00.9 r 379
2005-01-17 22:51:52 C 09 40 58.68 -05 53 20.0 r 557
2005-01-17 23:20:49 C 09 40 58.08 -05 53 33.6 r 557
2005-01-17 23:46:33 C 09 40 57.55 -05 53 45.8 r 557
2005-01-18 00:18:19 C 09 40 56.88 -05 54 00.7 r 557
2005-01-18 00:47:17 C 09 40 56.27 -05 54 14.2 r 557
2005-01-18 01:21:24 C 09 40 55.54 -05 54 30.3 r 557
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)