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
2020-01-27 10:41:52 C 06 25 47.07 +09 04 28.1 V T05
2020-01-27 10:42:31 C 06 25 46.99 +09 04 28.5 V T05
2020-01-27 20:13:03 C 06 25 14.47 +09 05 37.7 q Z40
2020-01-27 21:02:38 C 06 25 11.54 +09 05 43.9 q Z40
2020-01-27 21:52:16 C 06 25 08.64 +09 05 49.7 q Z40
2020-02-02 08:10:11 C 06 18 00.75 +09 23 45.7 V T08
2020-02-02 08:14:22 C 06 18 00.55 +09 23 46.6 V T08
2020-02-02 08:23:20 C 06 18 00.10 +09 23 47.6 V T08
2020-02-02 08:41:26 C 06 17 59.13 +09 23 50.1 V T08
2020-02-04 09:15:37 C 06 15 32.10 +09 31 16.5 V T05
2020-02-04 09:29:28 C 06 15 31.43 +09 31 18.6 V T05
2020-02-04 09:33:53 C 06 15 31.18 +09 31 19.1 V T05
2020-02-04 10:02:15 C 06 15 29.74 +09 31 23.3 V T05
2020-02-07 22:19:17 C 06 11 33.36 +09 45 07.7 V 160
2020-02-07 22:22:44 C 06 11 33.20 +09 45 08.3 V 160
2020-02-07 22:26:11 C 06 11 33.05 +09 45 08.6 V 160
2020-02-09 09:56:46 C 06 10 00.81 +09 51 18.1 V T08
2020-02-09 10:01:31 C 06 10 00.58 +09 51 18.3 V T08
2020-02-09 10:10:14 C 06 10 00.22 +09 51 20.0 V T08
2020-02-09 10:26:56 C 06 09 59.44 +09 51 21.7 V T08
2020-02-14 20:54:04 C 06 05 01.76 +10 15 06.7 V 160
2020-02-14 20:58:12 C 06 05 01.64 +10 15 08.1 V 160
2020-02-14 21:02:18 C 06 05 01.45 +10 15 08.0 V 160
2020-02-14 21:02:49 C 06 05 01.49 +10 15 08.1 V A16
2020-02-14 21:37:40 C 06 05 00.28 +10 15 14.7 V A16
2020-02-14 21:48:23 C 06 04 59.87 +10 15 16.5 V A16
2020-02-14 21:59:06 C 06 04 59.52 +10 15 18.7 V A16
2020-02-15 19:56:34 C 06 04 16.09 +10 19 30.2 V 130
2020-02-15 19:59:44 C 06 04 16.04 +10 19 30.8 V 130
2020-02-15 20:02:52 C 06 04 15.93 +10 19 31.4 V 130
2020-02-15 20:04:58 C 06 04 15.86 +10 19 31.3 V 130
2020-02-15 20:48:22 C 06 04 14.39 +10 19 40.3 V 160
2020-02-15 20:52:01 C 06 04 14.26 +10 19 40.9 V 160
2020-02-15 20:55:39 C 06 04 14.15 +10 19 41.7 V 160
2020-02-16 19:58:18 C 06 03 30.83 +10 24 09.2 q Z45
2020-02-16 20:01:57 C 06 03 30.72 +10 24 09.8 q Z45
2020-02-16 20:05:36 C 06 03 30.60 +10 24 10.8 q Z45
2020-02-16 20:09:21 C 06 03 30.48 +10 24 11.1 q Z45
2020-02-16 20:11:04 C 06 03 30.44 +10 24 12.1 q Z45
2020-02-21 07:12:50 C 06 00 37.23 +10 45 30.0 V T08
2020-02-21 07:18:37 C 06 00 37.06 +10 45 31.4 V T08
2020-02-21 07:27:19 C 06 00 36.85 +10 45 32.9 V T08
2020-02-22 06:38:45 C 06 00 05.80 +10 50 16.9 V T08
2020-02-22 06:53:58 C 06 00 05.46 +10 50 19.9 V T08
2020-02-22 06:57:59 C 06 00 05.35 +10 50 20.7 V T08
2020-02-22 07:07:53 C 06 00 05.09 +10 50 22.2 V T08
2020-02-22 19:24:46 C 05 59 49.67 +10 52 51.1 V 160
2020-02-22 19:28:53 C 05 59 49.59 +10 52 51.9 V 160
2020-02-22 19:32:59 C 05 59 49.45 +10 52 53.0 V 160
2020-02-24 08:00:55 C 05 59 07.00 +11 00 27.1 V T05
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)