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
2025-10-28 16:13:55 C 03 20 28.20 +13 50 03.1 V D29
2025-10-28 16:34:17 C 03 20 27.44 +13 49 58.9 V D29
2025-10-28 16:54:38 C 03 20 26.69 +13 49 55.4 V D29
2025-10-30 09:00:14 C 03 18 56.655 +13 42 10.80 X F51
2025-10-30 09:19:36 C 03 18 55.915 +13 42 06.98 X F51
2025-10-30 09:38:54 C 03 18 55.165 +13 42 03.43 X F51
2025-11-12 13:37:59 C 03 06 42.95 +12 40 43.4 V D29
2025-11-12 13:58:21 C 03 06 42.15 +12 40 38.9 V D29
2025-11-12 14:18:43 C 03 06 41.35 +12 40 35.4 V D29
2025-11-13 15:18:48 C 03 05 43.25 +12 35 50.1 V D29
2025-11-13 15:39:10 C 03 05 42.44 +12 35 46.3 V D29
2025-11-13 15:59:31 C 03 05 41.65 +12 35 42.4 V D29
2025-11-14 06:34:05 C 03 05 07.926 +12 32 57.05 V G96
2025-11-14 06:41:31 C 03 05 07.638 +12 32 55.68 V G96
2025-11-14 06:48:57 C 03 05 07.346 +12 32 54.31 V G96
2025-11-14 06:56:21 C 03 05 07.062 +12 32 52.76 V G96
2025-11-14 17:20:24 C 03 04 42.99 +12 30 54.6 V D29
2025-11-14 17:40:46 C 03 04 42.16 +12 30 51.4 V D29
2025-11-18 14:20:38 C 03 01 10.55 +12 13 41.3 V D29
2025-11-18 14:40:59 C 03 01 09.83 +12 13 38.8 V D29
2025-11-18 15:01:21 C 03 01 09.00 +12 13 34.5 V D29
2025-11-19 15:26:57 C 03 00 14.09 +12 09 10.1 V D29
2025-11-19 15:47:19 C 03 00 13.33 +12 09 06.7 V D29
2025-11-19 16:07:41 C 03 00 12.54 +12 09 02.9 V D29
2025-11-20 14:20:26 C 02 59 23.07 +12 05 04.6 V D29
2025-11-20 14:40:48 C 02 59 22.37 +12 05 00.8 V D29
2025-11-20 15:01:10 C 02 59 21.55 +12 04 56.9 V D29
2025-11-21 07:19:09 C 02 58 45.415 +12 02 04.31 V V00
2025-11-21 07:27:15 C 02 58 45.113 +12 02 02.83 V V00
2025-11-21 07:35:17 C 02 58 44.814 +12 02 01.43 V V00
2025-11-21 07:43:19 C 02 58 44.512 +12 01 59.99 V V00
2025-11-23 06:37:58 C 02 57 02.161 +11 53 51.07 X F52
2025-11-23 06:58:31 C 02 57 01.406 +11 53 47.69 X F52
2025-11-23 07:19:01 C 02 57 00.659 +11 53 44.15 X F52
2025-11-23 07:39:43 C 02 56 59.893 +11 53 40.52 X F52
2025-11-25 17:10:34 C 02 54 57.08 +11 43 58.9 V D29
2025-11-25 17:30:55 C 02 54 56.36 +11 43 55.3 V D29
2025-11-25 17:51:17 C 02 54 55.62 +11 43 51.9 V D29
2025-11-30 03:11:08 C 02 51 21.316 +11 27 09.14 V G96
2025-11-30 03:19:13 C 02 51 21.064 +11 27 07.27 V G96
2025-11-30 03:27:19 C 02 51 20.786 +11 27 06.44 V G96
2025-11-30 03:35:24 C 02 51 20.491 +11 27 05.36 V G96
2025-12-08 09:13:05 C 02 45 20.052 +10 59 48.38 X F52
2025-12-08 09:28:58 C 02 45 19.591 +10 59 46.43 X F52
2025-12-08 09:44:50 C 02 45 19.133 +10 59 44.55 X F52
2025-12-08 10:00:41 C 02 45 18.688 +10 59 42.70 X F52
2025-12-11 06:48:37 C 02 43 28.060 +10 51 35.86 V G96
2025-12-11 06:56:47 C 02 43 27.800 +10 51 35.06 V G96
2025-12-11 07:04:55 C 02 43 27.599 +10 51 33.59 V G96
2025-12-11 07:13:04 C 02 43 27.361 +10 51 31.93 V G96
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)