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
2005-09-06 20:55:39 C 00 05 04.25 +11 00 45.0 r A30
2005-09-06 20:57:08 C 00 05 04.15 +11 00 44.0 r A30
2005-09-06 20:58:37 C 00 05 04.04 +11 00 42.9 r A30
2005-09-06 21:00:06 C 00 05 03.94 +11 00 41.9 r A30
2005-09-06 21:01:34 C 00 05 03.83 +11 00 40.8 r A30
2005-09-08 00:17:28 C 00 03 10.19 +10 40 50.3 r 084
2005-09-08 00:20:36 C 00 03 09.99 +10 40 47.8 r 084
2005-09-09 00:00:58 C 00 01 32.30 +10 23 30.4 r 084
2005-09-09 00:04:06 C 00 01 32.05 +10 23 27.8 r 084
2005-09-09 09:07:44 C 00 00 54.73 +10 16 53.7 r H06
2005-09-09 09:24:52 C 00 00 53.52 +10 16 41.1 r H06
2005-09-09 09:42:20 C 00 00 52.29 +10 16 28.3 r H06
2005-09-09 23:27:06 C 23 59 56.11 +10 06 19.1 r 084
2005-09-09 23:30:14 C 23 59 55.93 +10 06 17.2 r 084
2005-09-10 22:25:55 C 23 58 22.54 +09 49 26.2 r 084
2005-09-10 22:29:02 C 23 58 22.37 +09 49 24.2 r 084
2005-09-11 06:53:05 C 23 57 48.42 +09 43 17.5 16.8 c 704
2005-09-11 07:09:44 C 23 57 47.26 +09 43 05.3 17.0 c 704
2005-09-11 07:26:27 C 23 57 46.09 +09 42 52.9 17.1 c 704
2005-09-11 07:42:53 C 23 57 44.95 +09 42 41.0 17.1 c 704
2005-09-11 07:59:44 C 23 57 43.78 +09 42 28.5 17.0 c 704
2005-09-11 22:22:06 C 23 56 45.87 +09 31 50.4 r 084
2005-09-11 22:25:14 C 23 56 45.64 +09 31 48.2 r 084
2005-09-12 08:37:53 C 23 56 05.00 +09 24 23.5 16.9 c 608
2005-09-12 08:53:40 C 23 56 03.90 +09 24 12.2 17.0 c 608
2005-09-12 09:09:22 C 23 56 02.83 +09 24 00.5 16.9 c 608
2005-09-13 21:42:21 C 23 53 37.57 +08 57 03.6 r 084
2005-09-13 21:45:29 C 23 53 37.34 +08 57 01.2 r 084
2005-09-16 20:46:17 C 23 49 03.64 +08 05 12.4 r 084
2005-09-16 20:49:24 C 23 49 03.41 +08 05 10.4 r 084
2005-09-20 19:59:31 C 23 43 17.03 +06 57 14.0 c 639
2005-09-20 20:07:45 C 23 43 16.54 +06 57 08.3 c 639
2005-09-20 20:17:45 C 23 43 15.92 +06 57 01.1 c 639
2005-09-20 20:25:46 C 23 43 15.45 +06 56 55.4 c 639
2005-09-20 20:32:46 C 23 43 15.03 +06 56 50.8 c 639
2005-09-22 21:18:51 C 23 40 27.73 +06 22 57.8 r 084
2005-09-22 21:22:00 C 23 40 27.59 +06 22 55.7 r 084
2005-09-24 06:24:08 C 23 38 38.83 +06 00 30.0 r 703
2005-09-24 06:34:11 C 23 38 38.14 +06 00 23.2 r 703
2005-09-24 06:54:17 C 23 38 37.17 +06 00 11.5 r 703
2005-09-24 20:40:47 C 23 37 52.97 +05 50 51.7 r 084
2005-09-24 20:43:54 C 23 37 52.80 +05 50 49.6 r 084
2005-09-25 21:20:51 C 23 36 35.33 +05 34 29.0 r 084
2005-09-25 21:23:59 C 23 36 35.18 +05 34 26.9 r 084
2005-09-26 20:34:31 C 23 35 24.33 +05 19 17.2 r 084
2005-09-26 20:37:38 C 23 35 24.18 +05 19 15.3 r 084
2005-09-27 20:54:22 C 23 34 12.20 +05 03 38.5 o J68
2005-09-27 21:39:04 C 23 34 09.96 +05 03 09.4 o J68
2005-09-27 22:23:45 C 23 34 07.69 +05 02 42.3 o J68
2005-09-28 21:07:20 C 23 33 02.45 +04 48 21.0 o 493
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)