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
2005-03-09 02:15:51 C 07 49 40.54 -10 15 25.4 834
2005-03-09 19:51:01 C 07 46 03.33 -10 09 42.8 o 084
2005-03-09 19:53:39 C 07 46 02.74 -10 09 41.9 o 084
2005-03-10 19:33:01 C 07 41 00.50 -09 59 59.2 o 084
2005-03-10 19:35:39 C 07 40 59.90 -09 59 58.3 o 084
2005-03-14 10:45:46 C 07 20 39.76 -09 14 08.9 r 379
2005-03-14 10:48:05 C 07 20 39.15 -09 14 07.2 r 379
2005-03-14 10:49:14 C 07 20 38.85 -09 14 06.8 r 379
2005-03-14 10:52:40 C 07 20 37.95 -09 14 04.4 r 379
2005-03-14 10:53:49 C 07 20 37.63 -09 14 03.8 r 379
2005-03-14 19:11:06 C 07 18 31.38 -09 09 00.3 o 084
2005-03-14 19:13:44 C 07 18 30.67 -09 08 58.5 o 084
2005-03-15 18:48:01 C 07 12 22.45 -08 53 12.5 o 084
2005-03-15 18:50:40 C 07 12 21.74 -08 53 10.8 o 084
2005-03-16 02:01:59 C 07 10 25.95 -08 47 59.1 o 920
2005-03-16 02:05:59 C 07 10 24.84 -08 47 56.3 o 920
2005-03-16 02:06:59 C 07 10 24.96 -08 47 55.3 o 754
2005-03-16 02:08:00 C 07 10 24.27 -08 47 54.7 o 920
2005-03-16 02:10:01 C 07 10 23.74 -08 47 53.1 o 920
2005-03-16 02:12:00 C 07 10 23.18 -08 47 51.7 o 920
2005-03-16 02:26:00 C 07 10 19.26 -08 47 41.6 o 920
2005-03-16 02:28:00 C 07 10 18.68 -08 47 40.3 o 920
2005-03-16 02:30:00 C 07 10 18.16 -08 47 38.5 o 920
2005-03-16 02:48:54 C 07 10 13.27 -08 47 25.0 o 754
2005-03-16 03:29:50 C 07 10 01.85 -08 46 55.1 o 754
2005-03-16 18:31:45 C 07 05 55.22 -08 35 54.5 o 084
2005-03-16 18:34:24 C 07 05 54.47 -08 35 52.3 o 084
2005-03-17 02:34:28 C 07 03 39.63 -08 29 34.9 o 754
2005-03-17 02:54:59 C 07 03 33.64 -08 29 18.7 o 754
2005-03-17 03:12:59 C 07 03 28.39 -08 29 04.4 o 754
2005-03-19 10:56:40 C 06 46 49.84 -07 40 48.1 r 379
2005-03-19 10:58:58 C 06 46 49.09 -07 40 45.6 r 379
2005-03-19 11:03:33 C 06 46 47.57 -07 40 41.8 r 379
2005-03-20 19:05:38 C 06 36 20.46 -07 08 44.5 c 639
2005-03-20 19:16:19 C 06 36 16.77 -07 08 33.2 c 639
2005-03-20 19:19:57 C 06 36 15.51 -07 08 29.1 c 639
2005-03-20 19:28:00 C 06 36 12.75 -07 08 20.4 c 113
2005-03-20 19:28:50 C 06 36 12.45 -07 08 19.8 c 113
2005-03-20 19:29:40 C 06 36 12.18 -07 08 18.8 c 113
2005-03-20 19:30:12 C 06 36 11.95 -07 08 18.4 c 639
2005-03-20 19:30:29 C 06 36 11.88 -07 08 17.9 c 113
2005-03-20 19:31:19 C 06 36 11.60 -07 08 17.0 c 113
2005-03-20 19:34:47 C 06 36 10.37 -07 08 13.4 c 639
2005-03-20 20:00:12 C 06 36 01.58 -07 07 46.2 c 639
2005-03-20 20:14:38 C 06 35 56.59 -07 07 30.9 c 639
2005-03-21 17:51:30 C 06 28 28.62 -06 43 51.6 o 084
2005-03-21 17:54:09 C 06 28 27.67 -06 43 48.8 o 084
2005-03-21 19:54:26 C 06 27 44.36 -06 41 24.7 c A30
2005-03-21 19:55:14 C 06 27 44.06 -06 41 23.8 c A30
2005-03-21 19:56:02 C 06 27 43.77 -06 41 22.8 c A30
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)