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
1990-09-16 09:15:59 01 52 26.56 +13 19 26.2 261
1990-09-16 10:45:59 01 52 22.81 +13 19 00.5 261
1990-10-14 09:05:41 C 01 21 12.61 +09 24 28.7 a 691
1990-10-14 09:35:55 C 01 21 11.16 +09 24 17.5 a 691
1990-10-14 10:06:12 C 01 21 09.67 +09 24 06.1 a 691
1990-10-15 09:25:22 A 01 20 02.88 +09 15 25.2 D 691
1990-10-15 10:16:27 A 01 20 00.38 +09 15 05.7 D 691
1990-10-15 10:41:38 A 01 19 59.16 +09 14 56.7 D 691
1990-10-17 07:51:04 C 01 17 51.34 +08 58 16.6 a 691
1990-10-17 08:17:53 C 01 17 50.04 +08 58 06.5 a 691
1990-10-17 08:31:47 C 01 17 49.38 +08 58 01.3 a 691
1990-10-22 07:52:33 C 01 12 23.19 +08 14 59.9 a 691
1990-10-22 08:23:34 C 01 12 21.77 +08 14 48.9 a 691
1990-10-22 08:53:45 C 01 12 20.42 +08 14 38.0 a 691
1990-10-26 05:32:59 C 01 08 22.66 +07 42 43.9 a 691
1990-10-26 05:57:53 C 01 08 21.58 +07 42 35.9 a 691
1990-10-26 06:21:51 C 01 08 20.57 +07 42 27.5 a 691
1990-10-27 06:49:07 C 01 07 20.39 +07 34 18.8 a 691
1990-10-27 07:01:04 C 01 07 19.88 +07 34 14.7 a 691
1990-10-27 07:18:08 C 01 07 19.12 +07 34 09.0 a 691
1990-10-28 07:05:38 A 01 06 21.81 +07 26 20.9 D 691
1990-10-28 07:20:28 A 01 06 21.18 +07 26 15.9 D 691
1990-10-28 07:38:20 A 01 06 20.46 +07 26 10.2 D 691
1990-11-11 02:52:47 C 00 55 13.25 +05 52 06.5 a 691
1990-11-11 03:08:13 C 00 55 12.83 +05 52 02.6 a 691
1990-11-11 03:23:03 C 00 55 12.39 +05 51 59.2 a 691
1994-10-11 08:01:52 C 02 08 58.50 +12 05 29.5 a 691
1994-10-11 08:13:16 C 02 08 57.98 +12 05 26.4 a 691
1994-10-11 08:24:35 C 02 08 57.49 +12 05 22.6 a 691
2000-12-19 13:18:26 C 07 36 33.45 +07 53 51.6 V 608
2000-12-19 13:33:22 C 07 36 32.81 +07 53 49.6 V 608
2000-12-19 13:48:27 C 07 36 32.16 +07 53 48.1 V 608
2000-12-28 07:46:54 C 07 26 33.17 +07 36 44.7 17.8 c 704
2000-12-28 08:08:51 C 07 26 31.99 +07 36 43.2 17.8 c 704
2000-12-28 08:30:50 C 07 26 30.78 +07 36 42.3 17.2 c 704
2000-12-28 08:52:48 C 07 26 29.58 +07 36 41.3 17.3 c 704
2000-12-30 06:59:27 C 07 23 59.49 +07 34 24.2 17.8 c 704
2000-12-30 07:20:49 C 07 23 58.26 +07 34 23.5 18.3 c 704
2000-12-30 07:42:15 C 07 23 57.06 +07 34 23.1 18.2 c 704
2000-12-30 08:03:49 C 07 23 55.82 +07 34 21.3 18.5 c 704
2000-12-30 08:25:06 C 07 23 54.64 +07 34 20.3 19.0 c 704
2000-12-31 20:51:03 C 07 21 51.50 +07 32 55.2 596
2000-12-31 21:01:03 C 07 21 51.18 +07 32 55.4 596
2000-12-31 22:51:27 C 07 21 44.72 +07 32 51.8 046
2000-12-31 22:53:40 C 07 21 44.61 +07 32 51.9 046
2000-12-31 22:55:05 C 07 21 44.49 +07 32 52.0 046
2000-12-31 22:56:34 C 07 21 44.43 +07 32 51.4 046
2000-12-31 22:57:59 C 07 21 44.35 +07 32 51.9 046
2000-12-31 23:35:10 C 07 21 42.16 +07 32 50.7 17.6 c 106
2001-01-01 00:04:49 C 07 21 40.46 +07 32 49.7 17.8 c 106
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)