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
2020-11-17 02:14:32 C 21 06 56.25 -10 50 13.6 V 703
2020-11-17 02:22:10 C 21 06 57.03 -10 50 11.8 V 703
2020-11-18 02:04:51 C 21 09 29.31 -10 43 59.9 V G96
2020-11-18 02:15:45 C 21 09 30.47 -10 43 57.1 V G96
2020-11-18 02:24:41 C 21 09 31.40 -10 43 54.8 V G96
2020-11-18 02:32:05 C 21 09 32.19 -10 43 52.8 V G96
2020-11-19 05:24:44 C 21 12 22.76 -10 36 43.4 V T08
2020-11-19 05:30:42 C 21 12 23.42 -10 36 41.9 V T08
2020-11-19 05:40:00 C 21 12 24.37 -10 36 39.7 V T08
2020-11-25 02:00:52 C 21 26 44.12 -09 57 39.3 V 703
2020-11-25 02:17:25 C 21 26 45.77 -09 57 33.6 V 703
2020-11-25 02:25:41 C 21 26 46.56 -09 57 32.0 V 703
2020-11-27 01:48:03 C 21 31 25.91 -09 43 46.3 V 703
2020-11-27 01:55:50 C 21 31 26.68 -09 43 43.1 V 703
2020-11-27 02:03:36 C 21 31 27.33 -09 43 40.5 V 703
2020-11-27 02:11:23 C 21 31 28.16 -09 43 37.5 V 703
2020-11-29 05:17:27 C 21 36 23.70 -09 28 28.7 V T05
2020-11-29 05:22:05 C 21 36 24.13 -09 28 26.5 V T05
2020-11-29 05:30:39 C 21 36 24.94 -09 28 24.3 V T05
2020-11-29 05:45:49 C 21 36 26.34 -09 28 20.4 V T05
2020-12-01 05:45:12 C 21 40 58.95 -09 13 49.5 V T08
2020-12-01 05:49:51 C 21 40 59.32 -09 13 48.3 V T08
2020-12-01 05:59:48 C 21 41 00.25 -09 13 45.3 V T08
2020-12-01 06:21:42 C 21 41 02.18 -09 13 39.2 V T08
2020-12-03 05:09:04 C 21 45 23.581 -08 59 15.86 U F52
2020-12-03 05:24:41 C 21 45 25.003 -08 59 11.00 U F52
2020-12-03 05:40:16 C 21 45 26.423 -08 59 06.19 U F52
2020-12-03 05:47:39 C 21 45 27.09 -08 59 04.2 V T05
2020-12-03 05:52:16 C 21 45 27.52 -08 59 02.5 V T05
2020-12-03 05:53:35 C 21 45 27.62 -08 59 01.9 V T05
2020-12-03 05:55:52 C 21 45 27.850 -08 59 01.32 U F52
2020-12-03 06:02:10 C 21 45 28.46 -08 58 59.6 V T05
2020-12-03 06:16:43 C 21 45 29.77 -08 58 54.6 V T05
2020-12-04 01:58:39 C 21 47 18.35 -08 52 48.5 V 703
2020-12-04 02:06:19 C 21 47 19.16 -08 52 46.4 V 703
2020-12-04 02:13:59 C 21 47 19.89 -08 52 43.9 V 703
2020-12-04 02:21:40 C 21 47 20.66 -08 52 41.4 V 703
2020-12-07 05:09:04 C 21 54 06.79 -08 29 06.1 V T05
2020-12-07 05:14:21 C 21 54 07.29 -08 29 04.7 V T05
2020-12-07 05:22:59 C 21 54 08.00 -08 29 01.4 V T05
2020-12-07 05:37:37 C 21 54 09.32 -08 28 56.4 V T05
2020-12-09 04:58:00 C 21 58 21.511 -08 13 46.04 U F52
2020-12-09 05:14:34 C 21 58 22.947 -08 13 40.70 U F52
2020-12-09 05:31:07 C 21 58 24.392 -08 13 35.33 U F52
2020-12-09 05:47:43 C 21 58 25.833 -08 13 29.96 U F52
2020-12-09 05:52:02 C 21 58 26.19 -08 13 29.0 V T08
2020-12-09 05:56:41 C 21 58 26.63 -08 13 26.9 V T08
2020-12-09 06:05:58 C 21 58 27.42 -08 13 24.2 V T08
2020-12-09 06:20:34 C 21 58 28.66 -08 13 19.4 V T08
2020-12-11 05:31:27 C 22 02 36.39 -07 57 59.5 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)