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
2023-12-04 07:08:26 s 1 +24662.854 0 +265211.38 3790.0 C57
2023-12-04 07:48:26 S 09 08 42.588 +03 52 43.21 V C57
2023-12-04 07:48:26 s 1 +22829.057 0 +263826.46 7950.0 C57
2023-12-04 09:28:26 S 09 08 44.424 +03 52 10.16 V C57
2023-12-04 09:28:26 s 1 +18233.847 0 +260233.83 8460.0 C57
2023-12-05 02:28:26 S 09 09 03.041 +03 45 09.72 V C57
2023-12-05 02:28:26 s 1 -28763.755 0 +212132.24 0.947 C57
2023-12-05 04:48:26 S 09 09 05.669 +03 44 16.33 V C57
2023-12-05 04:48:26 s 1 -35084.268 0 +203762.04 0.661 C57
2023-12-05 05:08:26 S 09 09 05.988 +03 44 10.43 V C57
2023-12-05 05:08:26 s 1 -35981.116 0 +202528.73 0.546 C57
2023-12-05 10:08:26 S 09 09 10.699 +03 42 07.88 V C57
2023-12-05 10:08:26 s 1 -49197.041 0 +182874.48 0.573 C57
2023-12-09 14:04:17 C 09 11 01.226 +03 05 44.63 V T08
2023-12-09 14:06:40 C 09 11 01.296 +03 05 43.66 V T08
2023-12-09 14:12:37 C 09 11 01.385 +03 05 41.60 V T08
2023-12-10 15:13:06 C 09 11 26.539 +02 56 12.19 V T05
2023-12-10 15:17:37 C 09 11 26.592 +02 56 10.25 V T05
2023-12-10 15:22:17 C 09 11 26.666 +02 56 08.56 V T05
2023-12-10 15:34:24 C 09 11 26.854 +02 56 04.16 V T05
2023-12-14 13:06:31 C 09 12 46.606 +02 20 37.64 V T05
2023-12-14 13:09:46 C 09 12 46.615 +02 20 36.49 V T05
2023-12-14 13:14:07 C 09 12 46.718 +02 20 34.66 V T05
2023-12-14 13:23:41 C 09 12 46.757 +02 20 31.06 V T05
2023-12-16 12:59:06 C 09 13 17.801 +02 02 32.60 V T08
2023-12-16 13:03:20 C 09 13 17.851 +02 02 31.20 V T08
2023-12-16 13:22:59 C 09 13 18.005 +02 02 23.71 V T08
2023-12-16 13:46:32 C 09 13 18.170 +02 02 14.89 V T08
2023-12-17 06:54:45 C 09 13 27.766 +01 55 52.97 V W68
2023-12-17 06:59:18 C 09 13 27.828 +01 55 51.20 V W68
2023-12-17 07:03:51 C 09 13 27.866 +01 55 49.55 V W68
2023-12-17 07:11:51 C 09 13 27.910 +01 55 46.56 V W68
2023-12-17 12:20:15 C 09 13 30.633 +01 53 44.85 X F51
2023-12-17 12:36:36 C 09 13 30.743 +01 53 38.69 X F51
2023-12-17 13:09:20 C 09 13 30.967 +01 53 26.36 X F51
2023-12-18 22:54:30 C 09 13 46.589 +01 40 51.38 V M22
2023-12-18 23:28:34 C 09 13 46.793 +01 40 39.11 V M22
2023-12-19 00:09:39 C 09 13 47.028 +01 40 23.77 V M22
2023-12-19 00:25:37 C 09 13 47.090 +01 40 17.87 V M22
2023-12-20 17:54:04 C 09 14 01.013 +01 24 45.97 V P07
2023-12-20 18:42:05 C 09 14 01.150 +01 24 28.44 V P07
2023-12-20 19:20:40 C 09 14 01.219 +01 24 14.18 V P07
2023-12-20 20:41:29 C 09 14 01.459 +01 23 42.90 V P07
2023-12-21 05:51:15 C 09 14 04.018 +01 20 19.79 V W68
2023-12-21 05:54:33 C 09 14 03.998 +01 20 18.53 V W68
2023-12-21 05:58:30 C 09 14 03.991 +01 20 16.80 V W68
2023-12-21 06:11:34 C 09 14 04.051 +01 20 12.01 V W68
2023-12-22 23:54:40 C 09 14 10.646 +01 04 43.68 V M22
2023-12-22 23:58:36 C 09 14 10.637 +01 04 41.84 V M22
2023-12-23 00:03:12 C 09 14 10.630 +01 04 40.62 V M22
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)