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
2005-03-21 19:56:49 C 06 27 43.49 -06 41 21.9 c A30
2005-03-21 19:57:12 C 06 27 43.34 -06 41 21.5 c A30
2005-03-21 19:57:58 C 06 27 43.06 -06 41 20.7 c A30
2005-03-21 19:58:48 C 06 27 42.76 -06 41 19.6 c A30
2005-03-22 17:44:36 C 06 19 48.31 -06 15 40.6 o 084
2005-03-22 17:47:16 C 06 19 47.30 -06 15 37.2 o 084
2005-03-22 17:52:58 C 06 19 45.14 -06 15 30.0 o 084
2005-03-23 18:08:44 C 06 10 28.29 -05 44 37.8 o 084
2005-03-24 22:12:06 C 05 59 07.08 -05 04 53.3 r I77
2005-03-24 22:13:12 C 05 59 06.61 -05 04 51.7 r I77
2005-03-24 22:14:19 C 05 59 06.15 -05 04 49.7 r I77
2005-03-24 22:15:25 C 05 59 05.65 -05 04 48.6 r I77
2005-03-27 18:21:21 C 05 28 35.69 -03 18 23.5 o 084
2005-03-27 18:23:19 C 05 28 34.76 -03 18 20.3 o 084
2005-03-28 18:01:24 C 05 16 59.19 -02 36 29.3 o 084
2005-03-28 18:03:22 C 05 16 58.19 -02 36 25.4 o 084
2005-03-29 18:04:56 C 05 04 39.52 -01 51 36.5 o 084
2005-03-29 18:06:54 C 05 04 38.48 -01 51 32.9 o 084
2005-03-30 17:47:03 C 04 52 01.26 -01 05 22.1 o 084
2005-03-30 17:49:05 C 04 52 00.13 -01 05 17.9 o 084
2005-07-05 09:20:23 C 00 52 12.76 +18 52 57.9 17.2 c 704
2005-07-05 09:35:32 C 00 52 13.23 +18 53 00.9 17.6 c 704
2005-07-05 09:50:48 C 00 52 13.59 +18 53 00.9 18.3 c 704
2005-07-05 10:05:55 C 00 52 13.92 +18 53 04.0 18.2 c 704
2005-07-05 10:21:01 C 00 52 14.33 +18 53 05.9 17.3 c 704
2005-08-04 08:03:24 C 00 50 42.19 +18 06 26.8 17.0 c 704
2005-08-04 08:19:35 C 00 50 41.65 +18 06 22.2 16.9 c 704
2005-08-04 08:35:49 C 00 50 41.08 +18 06 18.6 17.3 c 704
2005-08-04 08:52:55 C 00 50 40.56 +18 06 13.4 18.1 c 704
2005-08-04 09:09:12 C 00 50 39.95 +18 06 09.3 17.4 c 704
2005-08-08 23:06:10 C 00 46 42.70 +17 32 11.8 r 084
2005-08-08 23:09:17 C 00 46 42.58 +17 32 10.7 r 084
2005-08-16 07:56:47 C 00 38 24.13 +16 20 12.2 16.7 c 704
2005-08-16 08:14:09 C 00 38 23.15 +16 20 04.0 16.8 c 704
2005-08-16 09:06:52 C 00 38 20.23 +16 19 38.3 18.1 c 704
2005-08-17 00:03:11 C 00 37 32.25 +16 12 31.6 r A13
2005-08-17 00:20:11 C 00 37 31.30 +16 12 23.7 r A13
2005-08-17 00:37:00 C 00 37 30.37 +16 12 15.6 r A13
2005-08-18 23:19:06 C 00 34 54.25 +15 49 05.6 r 084
2005-08-18 23:22:12 C 00 34 54.06 +15 49 03.9 r 084
2005-08-19 23:24:29 C 00 33 30.74 +15 36 35.4 r 084
2005-08-24 23:23:46 C 00 26 08.06 +14 28 53.3 r 084
2005-08-24 23:26:53 C 00 26 07.85 +14 28 51.9 r 084
2005-08-26 00:44:19 C 00 24 29.43 +14 13 29.8 r 084
2005-08-28 22:48:06 C 00 19 50.73 +13 29 09.6 c 127
2005-08-28 22:54:18 C 00 19 50.30 +13 29 05.5 c 127
2005-08-28 23:02:09 C 00 19 49.76 +13 29 00.5 c 127
2005-08-28 23:09:10 C 00 19 49.28 +13 28 56.0 c 127
2005-08-28 23:16:20 C 00 19 48.77 +13 28 51.3 c 127
2005-08-28 23:27:03 C 00 19 48.03 +13 28 44.6 o A62
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)