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
2005-10-12 22:00:09 C 23 20 50.05 +01 46 52.1 r 084
2005-10-20 05:27:08 C 23 17 25.177 +00 37 43.80 e 645
2005-10-20 05:32:08 C 23 17 25.098 +00 37 42.05 18.9 e 645
2005-10-20 06:31:26 C 23 17 24.24 +00 37 22.1 o 644
2005-10-20 07:02:05 C 23 17 23.76 +00 37 11.4 o 644
2005-10-20 07:33:50 C 23 17 23.28 +00 37 00.6 o 644
2005-10-21 05:47:25 C 23 17 05.658 +00 29 29.16 e 645
2005-10-21 05:52:25 C 23 17 05.588 +00 29 27.52 18.94 e 645
2005-10-25 02:44:54 C 23 16 10.54 +00 00 54.5 o 699
2005-10-25 03:16:19 C 23 16 10.25 +00 00 45.5 o 699
2005-10-25 03:47:51 C 23 16 09.98 +00 00 36.6 o 699
2005-10-25 04:19:22 C 23 16 09.72 +00 00 27.6 o 699
2005-10-25 05:10:53 C 23 16 09.234 +00 00 13.24 e 645
2005-10-25 05:15:53 C 23 16 09.191 +00 00 11.83 19.07 e 645
2005-10-27 03:29:06 C 23 15 53.09 -00 12 16.3 o 644
2005-10-27 03:59:23 C 23 15 52.90 -00 12 24.4 o 644
2005-10-27 04:32:15 C 23 15 52.71 -00 12 32.8 o 644
2005-10-27 04:35:42 C 23 15 52.67 -00 12 33.2 18.5 c 704
2005-10-27 04:52:38 C 23 15 52.52 -00 12 38.0 18.8 c 704
2005-10-27 05:09:31 C 23 15 52.46 -00 12 42.8 18.8 c 704
2005-10-27 05:17:36 C 23 15 52.375 -00 12 44.69 e 645
2005-10-27 05:22:36 C 23 15 52.344 -00 12 45.97 19.16 e 645
2005-10-27 05:26:22 C 23 15 52.39 -00 12 46.5 19.0 c 704
2005-10-27 05:43:23 C 23 15 52.27 -00 12 51.9 18.6 c 704
2005-10-28 06:49:30 C 23 15 46.373 -00 19 09.02 e 645
2005-10-28 06:54:30 C 23 15 46.352 -00 19 10.24 19.32 e 645
2005-10-30 04:31:18 C 23 15 41.166 -00 29 48.44 e 645
2005-10-30 04:36:18 C 23 15 41.155 -00 29 49.55 19.25 e 645
2005-11-01 03:18:56 C 23 15 42.41 -00 39 39.0 19.0 c 704
2005-11-01 03:36:25 C 23 15 42.47 -00 39 43.5 19.7 c 704
2005-11-01 04:07:40 C 23 15 42.44 -00 39 50.1 r G96
2005-11-01 04:11:05 C 23 15 42.51 -00 39 50.5 19.5 c 704
2005-11-01 04:18:42 C 23 15 42.44 -00 39 52.4 r G96
2005-11-01 04:28:31 C 23 15 42.45 -00 39 54.5 18.8 c 704
2005-11-01 04:29:47 C 23 15 42.44 -00 39 54.6 r G96
2005-11-01 04:40:50 C 23 15 42.44 -00 39 56.8 r G96
2005-11-02 06:33:33 C 23 15 45.838 -00 44 56.69 e 645
2005-11-02 06:38:33 C 23 15 45.845 -00 44 57.60 19.44 e 645
2005-11-06 04:38:28 C 23 16 15.092 -01 00 32.87 e 645
2005-11-06 04:43:28 C 23 16 15.121 -01 00 33.56 19.63 e 645
2005-11-07 05:41:32 C 23 16 26.878 -01 04 02.73 e 645
2005-11-07 05:46:32 C 23 16 26.915 -01 04 03.40 19.81 e 645
2005-11-11 04:43:33 C 23 17 26.666 -01 14 57.06 e 645
2005-11-11 04:48:33 C 23 17 26.720 -01 14 57.53 19.74 e 645
2005-11-18 02:28:31 C 23 20 01.97 -01 25 41.4 o 699
2005-11-18 03:07:47 C 23 20 02.67 -01 25 43.8 o 699
2005-11-18 04:26:23 C 23 20 03.98 -01 25 46.1 o 699
2005-12-04 01:42:06 C 23 29 23.93 -01 16 59.7 19.3 c 704
2005-12-04 02:00:29 C 23 29 24.44 -01 16 58.9 19.8 c 704
2005-12-04 02:14:45 C 23 29 24.86 -01 16 58.2 r G96
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)