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
2024-02-11 04:42:16 C 08 19 10.879 -03 05 29.54 V W68
2024-02-11 04:46:50 C 08 19 10.423 -03 05 28.93 V W68
2024-02-11 04:55:18 C 08 19 09.566 -03 05 27.82 V W68
2024-02-11 14:33:33 B 08 18 13.82 -03 04 22.2 Z O54
2024-02-11 14:48:54 B 08 18 12.23 -03 04 20.4 Z O54
2024-02-11 15:01:52 B 08 18 10.89 -03 04 19.0 q O53
2024-02-11 15:05:18 B 08 18 10.57 -03 04 18.5 Z O54
2024-02-11 15:26:18 B 08 18 08.40 -03 04 15.7 q O53
2024-02-11 15:50:52 B 08 18 05.90 -03 04 12.3 q O53
2024-02-12 09:31:23 C 08 16 21.350 -03 01 39.79 V T05
2024-02-12 09:36:04 C 08 16 20.866 -03 01 39.11 V T05
2024-02-12 09:50:29 C 08 16 19.378 -03 01 36.88 V T05
2024-02-12 09:59:41 C 08 16 18.425 -03 01 35.47 V T05
2024-02-12 14:31:58 B 08 15 51.99 -03 00 51.3 Z O54
2024-02-12 14:49:25 B 08 15 50.22 -03 00 48.2 Z O54
2024-02-12 15:05:07 B 08 15 48.59 -03 00 46.1 Z O54
2024-02-12 21:24:10 C 08 15 10.618 -02 59 32.96 V M22
2024-02-12 21:24:27 C 08 15 10.747 -02 59 53.23 Z C23
2024-02-12 21:26:30 C 08 15 10.560 -02 59 53.23 Z C23
2024-02-12 21:28:34 C 08 15 10.313 -02 59 52.58 Z C23
2024-02-12 21:28:45 C 08 15 10.147 -02 59 32.17 V M22
2024-02-12 21:36:40 C 08 15 09.322 -02 59 30.95 V M22
2024-02-12 22:27:47 C 08 15 04.034 -02 59 22.56 V M22
2024-02-13 09:20:15 C 08 13 58.969 -02 57 46.17 X F52
2024-02-13 09:38:12 C 08 13 57.084 -02 57 42.89 X F52
2024-02-13 09:56:15 C 08 13 55.198 -02 57 39.69 X F52
2024-02-13 10:14:15 C 08 13 53.314 -02 57 36.68 X F52
2024-02-13 19:42:25 C 08 12 56.863 -02 56 00.02 X M26
2024-02-13 19:44:44 C 08 12 56.614 -02 55 59.66 X M26
2024-02-13 19:46:47 C 08 12 56.390 -02 55 59.56 X M26
2024-02-13 20:09:02 C 08 12 53.97 -02 55 56.1 X G02
2024-02-13 20:13:11 C 08 12 53.53 -02 55 55.3 X G02
2024-02-13 20:17:08 C 08 12 53.12 -02 55 54.6 X G02
2024-02-13 21:32:29 B 08 12 45.408 -02 55 39.97 V 160
2024-02-13 21:39:48 B 08 12 44.633 -02 55 38.64 V 160
2024-02-14 21:00:02 B 08 10 22.603 -02 51 05.22 V 160
2024-02-14 21:06:08 B 08 10 21.929 -02 51 04.57 V 160
2024-02-15 01:31:06 B 08 09 54.98 -02 49 57.0 q X33
2024-02-15 01:38:15 B 08 09 54.23 -02 49 55.1 q X33
2024-02-15 01:45:25 B 08 09 53.51 -02 49 53.5 q X33
2024-02-15 04:50:03 C 08 09 34.600 -02 49 24.24 V 703
2024-02-15 04:53:20 C 08 09 34.240 -02 49 23.52 V 703
2024-02-15 04:56:38 C 08 09 33.901 -02 49 22.91 V 703
2024-02-15 04:59:55 C 08 09 33.556 -02 49 22.33 V 703
2024-02-16 21:06:11 C 08 05 24.732 -02 39 49.25 V M22
2024-02-16 21:10:46 C 08 05 24.240 -02 39 48.13 V M22
2024-02-16 21:19:59 C 08 05 23.232 -02 39 46.01 V M22
2024-02-16 21:35:00 C 08 05 21.617 -02 39 42.01 V M22
2024-02-16 22:02:19 C 08 05 18.876 -02 39 57.13 Z C23
2024-02-16 22:04:09 C 08 05 18.708 -02 39 56.52 Z C23
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)