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
2024-01-19 12:27:34 C 08 59 45.233 -02 26 14.21 V T05
2024-01-19 12:33:02 C 08 59 44.947 -02 26 15.50 V T05
2024-01-19 12:37:35 C 08 59 44.712 -02 26 16.58 V T05
2024-01-19 12:42:47 C 08 59 44.434 -02 26 17.63 V T05
2024-01-19 12:47:39 C 08 59 44.184 -02 26 18.85 V T05
2024-01-19 13:15:31 C 08 59 42.732 -02 26 25.26 V T05
2024-01-20 01:11:02 C 08 59 07.075 -02 28 57.32 V M22
2024-01-20 01:25:31 C 08 59 06.310 -02 29 00.64 V M22
2024-01-20 01:30:05 C 08 59 06.058 -02 29 01.68 V M22
2024-01-20 01:38:38 C 08 59 05.606 -02 29 03.62 V M22
2024-01-20 11:10:46 C 08 58 36.787 -02 31 20.20 X F51
2024-01-20 11:28:38 C 08 58 35.817 -02 31 24.09 X F51
2024-01-20 11:46:29 C 08 58 34.842 -02 31 28.04 X F51
2024-01-20 22:04:38 C 08 58 03.02 -02 33 46.3 V G34
2024-01-20 22:07:30 C 08 58 02.86 -02 33 47.5 V G34
2024-01-20 22:10:23 C 08 58 02.72 -02 33 47.7 V G34
2024-01-20 22:13:15 C 08 58 02.56 -02 33 49.3 V G34
2024-01-20 22:24:45 C 08 58 01.91 -02 33 51.2 V G34
2024-01-20 22:28:50 B 08 58 01.752 -02 33 50.83 V 160
2024-01-20 22:34:26 B 08 58 01.430 -02 33 52.49 V 160
2024-01-20 22:40:16 B 08 58 01.111 -02 33 53.35 V 160
2024-01-20 23:23:16 C 08 57 58.77 -02 34 02.7 V G17
2024-01-20 23:33:26 C 08 57 58.22 -02 34 05.2 V G17
2024-01-20 23:43:36 C 08 57 57.64 -02 34 07.1 V G17
2024-01-21 10:14:18 C 08 57 24.290 -02 36 16.78 V T08
2024-01-21 10:16:58 C 08 57 24.137 -02 36 17.35 V T08
2024-01-21 10:20:57 C 08 57 23.906 -02 36 18.14 V T08
2024-01-21 10:38:28 C 08 57 22.918 -02 36 21.89 V T08
2024-01-21 22:22:54 B 08 56 44.873 -02 38 50.82 V 160
2024-01-21 22:28:31 B 08 56 44.580 -02 38 52.91 V 160
2024-01-22 03:11:34 C 08 56 29.143 -02 39 36.22 V W68
2024-01-22 03:14:10 C 08 56 28.994 -02 39 36.79 V W68
2024-01-22 03:18:10 C 08 56 28.745 -02 39 37.69 V W68
2024-01-22 03:28:46 C 08 56 28.152 -02 39 39.78 V W68
2024-01-23 10:03:10 C 08 54 44.040 -02 45 45.72 V T05
2024-01-23 10:05:46 C 08 54 43.884 -02 45 46.15 V T05
2024-01-23 10:37:05 C 08 54 41.966 -02 45 52.06 V T05
2024-01-23 10:42:56 C 08 54 41.606 -02 45 53.06 V T05
2024-01-23 21:31:58 C 08 54 03.72 -02 47 55.8 q L90
2024-01-23 21:42:00 C 08 54 03.11 -02 47 57.3 q L90
2024-01-23 21:51:45 C 08 54 02.52 -02 47 59.0 q L90
2024-01-23 23:23:54 C 08 53 56.755 -02 48 02.45 V M22
2024-01-23 23:28:42 C 08 53 56.467 -02 48 03.35 V M22
2024-01-24 00:17:32 C 08 53 53.419 -02 48 11.99 V M22
2024-01-24 00:58:28 C 08 53 50.870 -02 48 19.26 V M22
2024-01-25 01:22:28 C 08 52 22.71 -02 52 31.8 834
2024-01-25 02:07:46 C 08 52 19.77 -02 52 39.5 834
2024-01-25 19:53:11 C 08 51 13.003 -02 55 31.48 X L68
2024-01-25 19:58:42 C 08 51 12.598 -02 55 32.27 X L68
2024-01-25 20:04:05 C 08 51 12.214 -02 55 33.53 X L68
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)