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
2017-10-19 13:29:39 C 02 27 41.591 +12 21 18.72 L F51
2017-10-19 13:45:46 C 02 27 40.916 +12 21 14.66 L F51
2017-10-23 07:20:21 C 02 23 54.71 +11 57 42.0 U G96
2017-10-23 07:27:51 C 02 23 54.40 +11 57 40.1 U G96
2017-10-23 07:35:20 C 02 23 54.06 +11 57 38.1 U G96
2017-10-23 07:42:56 C 02 23 53.73 +11 57 36.1 U G96
2017-10-27 03:31:58 C 02 20 00.82 +11 33 26.8 q W98
2017-10-27 03:42:08 C 02 20 00.19 +11 33 24.7 q W98
2017-10-27 03:52:18 C 02 19 59.79 +11 33 23.8 q W98
2017-10-30 05:24:12 C 02 16 54.42 +11 14 04.5 U 703
2017-10-30 05:31:52 C 02 16 54.04 +11 14 01.1 U 703
2017-10-30 05:39:33 C 02 16 53.84 +11 13 59.5 U 703
2017-10-30 05:47:11 C 02 16 53.53 +11 13 57.8 U 703
2017-11-07 10:30:18 C 02 08 53.118 +10 24 07.55 L F51
2017-11-07 10:45:59 C 02 08 52.483 +10 24 03.70 L F51
2017-11-07 11:01:44 C 02 08 51.858 +10 23 59.90 L F51
2017-11-07 11:17:45 C 02 08 51.214 +10 23 55.80 L F51
2017-11-13 22:44:16 C 02 03 00.08 +09 47 26.4 20.0 q J43
2017-11-13 22:56:46 C 02 02 59.62 +09 47 23.1 19.8 q J43
2017-11-13 23:09:16 C 02 02 59.16 +09 47 20.3 19.9 q J43
2017-11-13 23:21:43 C 02 02 58.69 +09 47 18.0 19.6 q J43
2017-11-16 05:16:15 C 02 01 04.84 +09 35 27.1 U G96
2017-11-16 05:23:47 C 02 01 04.57 +09 35 25.3 U G96
2017-11-16 05:31:21 C 02 01 04.30 +09 35 23.7 U G96
2017-11-16 05:38:54 C 02 01 04.03 +09 35 22.1 U G96
2017-11-20 10:03:25 C 01 57 44.585 +09 14 39.24 L F51
2017-11-20 10:21:03 C 01 57 44.010 +09 14 35.76 L F51
2017-11-20 10:38:49 C 01 57 43.436 +09 14 32.25 L F51
2017-11-20 10:56:36 C 01 57 42.860 +09 14 28.68 L F51
2017-11-25 14:12:25 C 01 54 03.45 +08 51 39.2 q D29
2017-11-25 14:35:19 C 01 54 02.79 +08 51 34.5 q D29
2018-08-12 14:26:23 C 04 38 42.637 +17 40 27.52 U F51
2018-08-12 14:32:54 C 04 38 42.798 +17 40 27.44 U F51
2018-08-12 14:45:55 C 04 38 43.123 +17 40 27.52 U F51
2018-11-06 09:50:05 C 04 33 30.72 +14 54 36.1 V G96
2018-11-06 09:58:34 C 04 33 30.42 +14 54 34.8 V G96
2018-11-06 10:07:01 C 04 33 30.15 +14 54 33.7 V G96
2018-11-06 10:15:29 C 04 33 29.87 +14 54 32.8 V G96
2018-11-06 13:39:58 C 04 33 23.047 +14 54 05.30 U F52
2018-11-06 14:00:26 C 04 33 22.359 +14 54 02.48 U F52
2018-11-06 14:20:55 C 04 33 21.660 +14 53 59.64 U F52
2018-11-06 14:41:31 C 04 33 20.965 +14 53 56.70 U F52
2018-11-08 18:36:00 C 04 31 35.45 +14 46 48.9 q D29
2018-11-08 18:56:22 C 04 31 34.77 +14 46 46.5 q D29
2018-11-08 19:16:44 C 04 31 34.05 +14 46 44.6 q D29
2018-11-09 07:08:55 C 04 31 09.60 +14 45 05.8 V G96
2018-11-09 07:16:14 C 04 31 09.26 +14 45 04.4 V G96
2018-11-09 07:23:36 C 04 31 09.01 +14 45 03.6 V G96
2018-11-09 07:30:57 C 04 31 08.79 +14 45 02.0 V G96
2018-11-17 08:41:07 C 04 24 06.62 +14 18 22.6 V 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)