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
2019-12-07 12:37:36 C 07 31 04.08 +09 21 57.5 V T08
2019-12-10 07:19:33 C 07 29 01.91 +09 13 04.9 U I41
2019-12-10 08:02:00 C 07 29 00.49 +09 12 59.5 U I41
2019-12-10 08:13:31 C 07 29 00.11 +09 12 58.1 U I41
2019-12-10 09:49:52 C 07 28 56.85 +09 12 45.9 U I41
2019-12-10 09:56:32 C 07 28 56.64 +09 12 45.0 U I41
2019-12-10 10:51:08 C 07 28 55.01 +09 12 39.0 V T05
2019-12-10 10:57:02 C 07 28 54.83 +09 12 38.5 V T05
2019-12-10 11:25:23 C 07 28 53.86 +09 12 34.7 V T05
2019-12-10 11:34:08 C 07 28 53.47 +09 12 34.0 V T05
2019-12-11 07:16:26 C 07 28 14.34 +09 10 04.0 U I41
2019-12-11 08:01:59 C 07 28 12.77 +09 09 58.4 U I41
2019-12-19 11:57:12 C 07 20 31.40 +08 48 59.1 V T08
2019-12-19 12:01:15 C 07 20 31.22 +08 48 59.0 V T08
2019-12-19 12:35:33 C 07 20 29.63 +08 48 55.6 V T08
2019-12-19 12:43:27 C 07 20 29.25 +08 48 55.6 V T08
2019-12-21 07:33:36 C 07 18 31.95 +08 45 15.4 V G96
2019-12-21 07:41:31 C 07 18 31.57 +08 45 14.9 V G96
2019-12-21 07:49:27 C 07 18 31.19 +08 45 14.2 V G96
2019-12-21 07:57:22 C 07 18 30.81 +08 45 13.6 V G96
2019-12-27 09:29:19 C 07 11 10.96 +08 35 45.4 V T08
2019-12-27 09:39:14 C 07 11 10.39 +08 35 45.0 V T08
2019-12-27 09:57:38 C 07 11 09.39 +08 35 44.1 V T08
2019-12-28 11:31:34 C 07 09 45.94 +08 34 33.1 V T08
2019-12-28 11:36:27 C 07 09 45.70 +08 34 32.8 V T08
2019-12-28 12:04:28 C 07 09 44.10 +08 34 31.6 V T08
2019-12-29 01:04:48 C 07 09 01.09 +08 33 57.3 V 160
2019-12-29 01:08:03 C 07 09 00.93 +08 33 56.8 V 160
2019-12-29 01:11:30 C 07 09 00.77 +08 33 56.6 V 160
2019-12-29 08:50:51 C 07 08 35.52 +08 33 40.7 V T05
2019-12-29 08:55:31 C 07 08 35.25 +08 33 40.9 V T05
2019-12-29 09:06:35 C 07 08 34.63 +08 33 40.4 V T05
2019-12-29 09:24:04 C 07 08 33.63 +08 33 39.4 V T05
2019-12-30 00:47:20 C 07 07 41.77 +08 33 03.0 q 160
2019-12-30 00:50:43 C 07 07 41.57 +08 33 03.1 q 160
2019-12-30 00:54:06 C 07 07 41.37 +08 33 03.0 q 160
2019-12-31 01:59:16 C 07 06 15.84 +08 32 15.3 V 160
2019-12-31 02:02:18 C 07 06 15.65 +08 32 15.1 V 160
2019-12-31 02:05:20 C 07 06 15.48 +08 32 15.5 V 160
2020-01-04 08:05:10 C 07 00 15.46 +08 30 34.5 V T08
2020-01-04 08:13:01 C 07 00 14.97 +08 30 34.6 V T08
2020-01-04 08:18:54 C 07 00 14.61 +08 30 34.6 V T08
2020-01-04 08:44:20 C 07 00 13.05 +08 30 34.4 V T08
2020-01-05 23:54:15 C 06 57 49.67 +08 30 32.2 V A16
2020-01-06 00:26:40 C 06 57 47.67 +08 30 33.5 V A16
2020-01-06 00:37:18 C 06 57 47.01 +08 30 32.2 V A16
2020-01-06 04:10:44 C 06 57 34.24 +08 30 35.2 V G96
2020-01-06 04:18:08 C 06 57 33.77 +08 30 35.3 V G96
2020-01-06 04:25:32 C 06 57 33.30 +08 30 35.3 V G96
2020-01-06 22:54:30 C 06 56 24.69 +08 30 43.9 V 160
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)