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
2001-11-12 02:32:38 C 21 19 59.60 -09 41 38.8 18.4 c 704
2001-11-12 02:53:30 C 21 20 01.53 -09 41 34.7 18.5 c 704
2001-11-17 01:58:16 C 21 30 55.76 -09 16 54.3 18.2 c 644
2001-11-17 02:28:17 C 21 30 58.42 -09 16 47.4 18.5 c 644
2001-11-17 03:00:00 C 21 31 01.19 -09 16 40.7 18.3 c 644
2001-11-18 05:21:17 C 21 33 22.20 -09 10 51.7 19.0 c 608
2001-11-18 05:36:21 C 21 33 23.51 -09 10 48.4 19.0 c 608
2001-11-18 05:51:44 C 21 33 24.87 -09 10 44.6 19.1 c 608
2001-12-05 01:27:02 C 22 07 08.30 -07 29 07.0 18.7 c 704
2001-12-05 01:49:03 C 22 07 10.00 -07 29 00.9 18.9 c 704
2001-12-05 02:11:46 C 22 07 11.74 -07 28 56.1 19.4 c 704
2001-12-05 02:33:06 C 22 07 13.43 -07 28 48.9 19.1 c 704
2001-12-05 02:54:25 C 22 07 15.07 -07 28 43.4 19.0 c 704
2002-09-15 10:58:29 C 03 25 52.05 +16 04 21.3 d 291
2002-09-15 11:11:26 C 03 25 51.92 +16 04 19.9 d 291
2002-09-15 11:22:35 C 03 25 51.69 +16 04 18.3 d 291
2002-10-30 06:41:44 C 02 54 57.16 +12 53 45.3 V 644
2002-10-30 08:17:38 C 02 54 53.28 +12 53 24.2 V 644
2002-10-30 10:29:49 C 02 54 47.89 +12 52 55.0 V 644
2002-11-02 11:51:00 C 02 51 52.74 +12 36 52.1 V 608
2002-11-02 12:07:55 C 02 51 52.14 +12 36 48.5 V 608
2002-11-02 12:24:04 C 02 51 51.48 +12 36 44.9 V 608
2002-11-29 05:50:01 C 02 28 18.32 +10 30 34.0 711
2002-11-29 06:08:34 C 02 28 17.82 +10 30 31.0 711
2002-11-29 06:27:06 C 02 28 17.14 +10 30 28.2 711
2003-11-24 06:35:15 C 04 50 32.30 +14 11 06.1 c 691
2003-11-24 07:16:00 C 04 50 30.61 +14 11 01.6 c 691
2003-11-24 07:59:08 C 04 50 28.92 +14 10 55.9 c 691
2004-11-18 09:11:13 C 09 13 20.73 +05 10 25.4 19.2 c 704
2004-11-18 09:30:01 C 09 13 21.56 +05 10 17.0 19.3 c 704
2004-11-18 09:48:01 C 09 13 22.23 +05 10 08.3 19.0 c 704
2004-11-18 10:23:35 C 09 13 23.74 +05 09 54.5 19.5 c 704
2004-11-29 12:25:37 C 09 23 51.29 +03 18 52.9 18.4 c 644
2004-11-29 12:40:57 C 09 23 51.82 +03 18 46.7 18.6 c 644
2004-11-29 12:55:29 C 09 23 52.30 +03 18 40.2 18.1 c 644
2004-12-07 09:20:47 C 09 30 17.71 +01 56 09.8 18.1 c 704
2004-12-07 09:38:41 C 09 30 18.25 +01 56 01.9 18.4 c 704
2004-12-07 09:59:09 C 09 30 18.90 +01 55 52.4 18.6 c 704
2004-12-07 10:17:18 C 09 30 19.40 +01 55 43.9 18.4 c 704
2004-12-07 10:36:22 C 09 30 20.01 +01 55 35.8 18.1 c 704
2004-12-09 14:25:34 C 09 31 55.53 +01 32 24.5 o F65
2004-12-09 14:26:20 C 09 31 55.55 +01 32 24.1 o F65
2004-12-09 14:27:11 C 09 31 55.57 +01 32 23.8 o F65
2004-12-09 14:28:58 C 09 31 55.63 +01 32 23.0 o F65
2004-12-10 08:59:09 C 09 32 28.70 +01 24 01.0 r H41
2004-12-10 09:01:54 C 09 32 28.73 +01 24 00.1 r H41
2004-12-10 09:04:21 C 09 32 28.83 +01 23 59.5 r H41
2004-12-10 09:06:53 C 09 32 28.90 +01 23 57.9 r H41
2004-12-11 09:31:45 C 09 33 11.30 +01 12 55.1 r H41
2004-12-11 09:34:50 C 09 33 11.47 +01 12 53.1 r H41
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)