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
2020-01-06 22:57:03 C 06 56 24.54 +08 30 43.8 V 160
2020-01-06 22:59:37 C 06 56 24.38 +08 30 43.7 V 160
2020-01-08 22:33:48 C 06 53 26.56 +08 31 30.5 V 160
2020-01-08 22:36:18 C 06 53 26.39 +08 31 30.3 V 160
2020-01-08 22:38:41 C 06 53 26.24 +08 31 30.8 V 160
2020-01-11 22:33:23 C 06 48 53.75 +08 33 42.6 V 160
2020-01-11 22:35:53 C 06 48 53.50 +08 33 43.1 V 160
2020-01-12 22:21:44 C 06 47 22.86 +08 34 42.7 V 160
2020-01-12 22:24:43 C 06 47 22.75 +08 34 43.2 V 160
2020-01-12 22:27:40 C 06 47 22.54 +08 34 43.7 V 160
2020-01-18 10:34:17 C 06 38 58.29 +08 42 48.1 V T05
2020-01-18 10:39:07 C 06 38 58.00 +08 42 48.7 V T05
2020-01-18 10:47:00 C 06 38 57.46 +08 42 49.1 V T05
2020-01-18 11:04:18 C 06 38 56.36 +08 42 50.6 V T05
2020-01-18 22:40:37 C 06 38 12.52 +08 43 42.3 V A16
2020-01-18 22:51:10 C 06 38 11.84 +08 43 43.1 V A16
2020-01-18 23:01:43 C 06 38 11.17 +08 43 44.0 V A16
2020-01-18 23:12:15 C 06 38 10.49 +08 43 45.0 V A16
2020-01-18 23:22:48 C 06 38 09.80 +08 43 45.4 V A16
2020-01-18 23:33:20 C 06 38 09.14 +08 43 46.4 V A16
2020-01-20 17:04:39 C 06 35 33.13 +08 47 18.0 18.4 q C97
2020-01-20 17:06:50 C 06 35 32.95 +08 47 18.2 18.2 q C97
2020-01-20 17:09:02 C 06 35 32.90 +08 47 18.4 18.2 q C97
2020-01-20 17:11:13 C 06 35 32.73 +08 47 18.6 18.5 q C97
2020-01-22 23:00:46 C 06 32 12.75 +08 52 22.2 V A16
2020-01-22 23:21:51 C 06 32 11.42 +08 52 24.0 V A16
2020-01-22 23:42:43 C 06 32 10.13 +08 52 26.5 V 160
2020-01-22 23:42:56 C 06 32 10.07 +08 52 26.9 V A16
2020-01-22 23:45:37 C 06 32 09.91 +08 52 26.8 V 160
2020-01-22 23:48:32 C 06 32 09.78 +08 52 27.1 V 160
2020-01-23 22:47:13 C 06 30 45.84 +08 54 49.7 V 160
2020-01-23 22:50:08 C 06 30 45.66 +08 54 50.0 V 160
2020-01-23 22:53:04 C 06 30 45.48 +08 54 50.5 V 160
2020-01-25 09:03:04 C 06 28 42.31 +08 58 36.7 V T08
2020-01-25 09:03:44 C 06 28 42.26 +08 58 36.3 V T08
2020-01-25 09:13:36 C 06 28 41.65 +08 58 38.7 V T08
2020-01-25 09:14:16 C 06 28 41.60 +08 58 37.8 V T08
2020-01-26 10:31:57 C 06 27 11.64 +09 01 33.6 V T05
2020-01-26 10:39:29 C 06 27 11.20 +09 01 34.1 V T05
2020-01-26 10:44:32 C 06 27 10.90 +09 01 35.0 V T05
2020-01-26 11:06:55 C 06 27 09.57 +09 01 37.7 V T05
2020-01-26 20:35:01 C 06 26 36.69 +09 02 43.7 q Z57
2020-01-26 20:45:55 C 06 26 36.06 +09 02 45.4 q Z57
2020-01-26 20:56:49 C 06 26 35.36 +09 02 46.7 q Z57
2020-01-27 10:01:55 C 06 25 49.43 +09 04 23.2 V T05
2020-01-27 10:02:34 C 06 25 49.37 +09 04 23.6 V T05
2020-01-27 10:06:22 C 06 25 49.17 +09 04 23.9 V T05
2020-01-27 10:07:01 C 06 25 49.12 +09 04 24.3 V T05
2020-01-27 10:24:50 C 06 25 48.06 +09 04 26.2 V T05
2020-01-27 10:25:30 C 06 25 48.03 +09 04 26.5 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)