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
2020-09-18 05:31:25 C 16 59 07.65 -10 06 54.1 V T05
2020-09-18 05:39:21 C 16 59 09.76 -10 06 58.9 V T05
2020-09-18 05:59:13 C 16 59 14.98 -10 07 10.5 V T05
2020-09-20 05:19:36 C 17 11 40.63 -10 34 08.1 V T08
2020-09-20 05:24:54 C 17 11 42.00 -10 34 10.9 V T08
2020-09-20 05:32:51 C 17 11 44.04 -10 34 15.3 V T08
2020-09-20 05:52:48 C 17 11 49.16 -10 34 25.9 V T08
2020-09-22 05:19:24 C 17 23 58.20 -10 58 46.3 V T05
2020-09-22 05:24:02 C 17 23 59.35 -10 58 48.6 V T05
2020-09-22 05:34:37 C 17 24 02.00 -10 58 53.8 V T05
2020-09-22 05:59:07 C 17 24 08.12 -10 59 05.5 V T05
2020-09-23 17:29:55 C 17 33 01.08 -11 15 37.5 V 089
2020-09-23 17:36:51 C 17 33 02.81 -11 15 40.3 V 089
2020-09-23 17:40:19 C 17 33 03.63 -11 15 42.0 V 089
2020-09-23 17:43:47 C 17 33 04.51 -11 15 43.8 V 089
2020-09-23 18:01:07 C 17 33 08.75 -11 15 51.1 V 089
2020-09-24 16:47:12 C 17 38 44.56 -11 25 38.0 V 089
2020-09-24 16:50:40 C 17 38 45.38 -11 25 39.7 V 089
2020-09-24 16:54:08 C 17 38 46.23 -11 25 40.9 V 089
2020-09-24 17:01:04 C 17 38 47.95 -11 25 44.2 V 089
2020-09-24 17:04:32 C 17 38 48.79 -11 25 45.1 V 089
2020-09-24 17:08:00 C 17 38 49.61 -11 25 46.3 V 089
2020-09-24 17:11:28 C 17 38 50.42 -11 25 48.4 V 089
2020-09-26 05:18:36 C 17 47 33.12 -11 40 02.6 V T05
2020-09-26 05:32:31 C 17 47 36.41 -11 40 07.7 V T05
2020-09-26 05:51:04 C 17 47 40.78 -11 40 14.7 V T05
2020-09-28 06:31:24 C 17 59 05.76 -11 57 12.9 V T08
2020-09-28 06:35:24 C 17 59 06.69 -11 57 14.4 V T08
2020-09-28 06:48:03 C 17 59 09.58 -11 57 18.2 V T08
2020-09-28 07:03:21 C 17 59 13.10 -11 57 23.1 V T08
2020-09-30 07:22:52 C 18 10 11.16 -12 11 45.2 V T05
2020-09-30 07:27:35 C 18 10 12.21 -12 11 46.7 V T05
2020-09-30 07:36:46 C 18 10 14.23 -12 11 49.1 V T05
2020-10-01 03:06:38 C 18 14 33.91 -12 16 59.3 U I41
2020-10-01 03:35:13 C 18 14 40.14 -12 17 06.4 U I41
2020-10-01 03:48:25 C 18 14 43.01 -12 17 09.7 U I41
2020-10-01 03:54:23 C 18 14 44.32 -12 17 11.2 U I41
2020-10-02 23:58:20 C 18 24 17.09 -12 27 24.0 V W33
2020-10-03 00:08:41 C 18 24 19.26 -12 27 26.4 V W33
2020-10-03 00:19:01 C 18 24 21.44 -12 27 28.4 V W33
2020-10-04 05:40:09 C 18 30 32.75 -12 33 14.7 V T05
2020-10-04 05:48:07 C 18 30 34.37 -12 33 16.3 V T05
2020-10-04 06:09:58 C 18 30 38.89 -12 33 20.1 V T05
2020-10-11 09:32:50 C 19 04 14.35 -12 52 55.3 q Q68
2020-10-11 09:35:05 C 19 04 14.74 -12 52 57.4 q Q68
2020-10-11 09:37:20 C 19 04 14.77 -12 53 05.0 q Q68
2020-10-11 10:39:38 C 19 04 26.30 -12 52 59.5 q Q68
2020-10-11 10:46:38 C 19 04 27.71 -12 53 00.1 q Q68
2020-10-14 02:30:14 C 19 15 54.31 -12 55 06.9 q V19
2020-10-14 03:30:31 C 19 16 04.75 -12 55 07.5 q V19
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)