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
2020-08-07 17:05:07 C 12 30 53.87 +04 19 21.7 o K95
2020-08-13 05:49:51 C 13 02 17.87 +02 29 19.2 V T05
2020-08-13 05:54:28 C 13 02 18.97 +02 29 15.3 V T05
2020-08-13 06:05:05 C 13 02 21.55 +02 29 06.1 V T05
2020-08-13 06:24:18 C 13 02 26.22 +02 28 49.7 V T05
2020-08-27 05:40:30 C 14 30 31.88 -02 43 45.0 V T08
2020-08-27 05:41:49 C 14 30 32.25 -02 43 46.0 V T08
2020-08-27 05:45:48 C 14 30 33.36 -02 43 50.0 V T08
2020-08-27 05:47:08 C 14 30 33.71 -02 43 51.2 V T08
2020-08-27 05:54:27 C 14 30 35.75 -02 43 57.9 V T08
2020-08-27 05:55:47 C 14 30 36.13 -02 43 59.6 V T08
2020-08-27 06:12:23 C 14 30 40.71 -02 44 15.6 V T08
2020-08-29 05:42:43 C 14 44 01.20 -03 30 22.6 V T05
2020-08-29 05:47:21 C 14 44 02.50 -03 30 27.1 V T05
2020-08-29 05:55:16 C 14 44 04.72 -03 30 34.7 V T05
2020-08-29 06:20:06 C 14 44 11.68 -03 30 58.7 V T05
2020-09-04 06:07:02 C 15 25 14.03 -05 47 13.7 V T08
2020-09-04 06:11:41 C 15 25 15.33 -05 47 18.0 V T08
2020-09-04 06:21:46 C 15 25 18.22 -05 47 27.1 V T08
2020-09-04 06:39:41 C 15 25 23.32 -05 47 43.6 V T08
2020-09-05 11:53:56 C 15 33 47.11 -06 14 17.9 q D29
2020-09-05 12:11:38 C 15 33 52.15 -06 14 33.7 q D29
2020-09-05 12:29:19 C 15 33 57.20 -06 14 49.6 q D29
2020-09-06 05:57:25 C 15 38 57.98 -06 30 22.4 V T05
2020-09-06 06:02:42 C 15 38 59.48 -06 30 27.0 V T05
2020-09-06 06:11:46 C 15 39 02.06 -06 30 35.0 V T05
2020-09-06 06:31:44 C 15 39 07.74 -06 30 52.5 V T05
2020-09-08 05:20:12 C 15 52 31.84 -07 11 29.6 V T08
2020-09-08 05:24:51 C 15 52 33.15 -07 11 33.5 V T08
2020-09-08 05:32:48 C 15 52 35.40 -07 11 40.2 V T08
2020-09-08 05:48:45 C 15 52 39.91 -07 11 53.7 V T08
2020-09-11 02:41:25 C 16 12 13.32 -08 08 17.4 V 703
2020-09-11 02:50:16 C 16 12 15.78 -08 08 24.1 V 703
2020-09-11 02:59:08 C 16 12 18.30 -08 08 30.7 V 703
2020-09-11 03:07:59 C 16 12 20.75 -08 08 37.9 V 703
2020-09-12 05:58:55 C 16 19 53.40 -08 29 19.3 V T08
2020-09-12 06:15:30 C 16 19 58.00 -08 29 31.8 V T08
2020-09-12 06:31:26 C 16 20 02.43 -08 29 43.9 V T08
2020-09-14 05:53:06 C 16 33 12.63 -09 04 26.5 V T05
2020-09-14 05:57:47 C 16 33 13.91 -09 04 29.6 V T05
2020-09-14 06:25:32 C 16 33 21.50 -09 04 49.1 V T05
2020-09-16 05:23:15 C 16 46 12.52 -09 36 46.3 V T08
2020-09-16 05:28:34 C 16 46 13.94 -09 36 49.7 V T08
2020-09-16 05:36:34 C 16 46 16.08 -09 36 55.0 V T08
2020-09-16 05:51:13 C 16 46 20.02 -09 37 04.4 V T08
2020-09-17 17:32:10 C 16 55 56.20 -09 59 42.9 V 089
2020-09-17 17:35:38 C 16 55 57.08 -09 59 45.2 V 089
2020-09-17 18:27:50 C 16 56 10.96 -10 00 16.9 V 089
2020-09-17 18:31:17 C 16 56 11.87 -10 00 19.2 V 089
2020-09-18 05:25:26 C 16 59 06.09 -10 06 50.6 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)