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
2020-10-15 09:32:42 C 19 21 17.33 -12 55 01.4 q Q68
2020-10-15 09:34:57 C 19 21 17.72 -12 55 00.0 q Q68
2020-10-15 09:37:13 C 19 21 18.06 -12 55 00.7 q Q68
2020-10-15 09:39:29 C 19 21 18.48 -12 55 00.6 q Q68
2020-10-15 10:31:57 C 19 21 27.38 -12 54 59.5 q Q68
2020-10-15 10:34:18 C 19 21 27.74 -12 55 00.0 q Q68
2020-10-15 10:36:33 C 19 21 28.13 -12 54 59.6 q Q68
2020-10-18 05:41:45 C 19 32 41.95 -12 53 21.0 V T08
2020-10-18 05:53:43 C 19 32 43.87 -12 53 20.4 V T08
2020-10-18 06:08:21 C 19 32 46.25 -12 53 19.7 V T08
2020-10-20 05:40:43 C 19 40 24.70 -12 50 38.8 V T05
2020-10-20 05:46:43 C 19 40 25.60 -12 50 38.7 V T05
2020-10-20 05:54:38 C 19 40 26.84 -12 50 37.8 V T05
2020-10-24 06:22:31 C 19 55 12.09 -12 41 59.6 V T05
2020-10-24 06:29:09 C 19 55 13.06 -12 41 58.7 V T05
2020-10-24 06:39:03 C 19 55 14.50 -12 41 57.1 V T05
2020-10-24 06:55:33 C 19 55 16.92 -12 41 55.5 V T05
2020-10-28 01:15:38 C 20 08 15.98 -12 30 26.6 V W46
2020-10-28 01:55:22 C 20 08 21.47 -12 30 21.0 V W46
2020-10-28 02:19:08 C 20 08 24.76 -12 30 17.2 V W46
2020-10-29 02:58:38 C 20 11 49.64 -12 26 38.0 V G96
2020-10-29 03:06:04 C 20 11 50.64 -12 26 37.2 V G96
2020-10-29 03:13:34 C 20 11 51.66 -12 26 35.7 V G96
2020-10-29 03:21:01 C 20 11 52.67 -12 26 34.6 V G96
2020-10-29 05:57:12 C 20 12 14.11 -12 26 09.8 V T08
2020-10-29 06:01:50 C 20 12 14.71 -12 26 08.6 V T08
2020-10-29 06:27:04 C 20 12 18.13 -12 26 05.0 V T08
2020-11-01 06:22:51 C 20 21 56.74 -12 14 14.6 V T05
2020-11-01 06:28:11 C 20 21 57.44 -12 14 13.5 V T05
2020-11-01 06:36:07 C 20 21 58.48 -12 14 11.9 V T05
2020-11-01 06:53:55 C 20 22 00.79 -12 14 08.9 V T05
2020-11-03 05:47:50 C 20 28 04.81 -12 05 36.0 V T08
2020-11-03 06:01:49 C 20 28 06.58 -12 05 33.3 V T08
2020-11-03 06:16:33 C 20 28 08.44 -12 05 30.4 V T08
2020-11-05 05:23:49 C 20 34 04.28 -11 56 19.5 V T05
2020-11-05 05:30:30 C 20 34 05.12 -11 56 18.1 V T05
2020-11-05 05:38:31 C 20 34 06.08 -11 56 16.6 V T05
2020-11-05 05:59:40 C 20 34 08.68 -11 56 12.2 V T05
2020-11-14 10:03:42 C 20 59 55.85 -11 06 25.0 q Q68
2020-11-14 10:05:53 C 20 59 55.91 -11 06 24.3 q Q68
2020-11-14 10:08:04 C 20 59 56.17 -11 06 23.8 q Q68
2020-11-14 10:10:16 C 20 59 56.43 -11 06 22.7 q Q68
2020-11-14 11:03:49 C 21 00 02.26 -11 06 10.1 q Q68
2020-11-14 11:08:12 C 21 00 02.69 -11 06 08.8 q Q68
2020-11-14 11:10:23 C 21 00 02.95 -11 06 08.0 q Q68
2020-11-17 01:02:58 C 21 06 48.49 -10 50 32.5 V W33
2020-11-17 01:09:11 C 21 06 49.15 -10 50 31.0 V W33
2020-11-17 01:15:24 C 21 06 49.82 -10 50 29.1 V W33
2020-11-17 01:59:15 C 21 06 54.58 -10 50 18.0 V 703
2020-11-17 02:06:54 C 21 06 55.43 -10 50 16.2 V 703
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)