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
2020-12-11 05:32:06 C 22 02 36.43 -07 57 59.9 V T05
2020-12-11 05:36:03 C 22 02 36.77 -07 57 58.9 V T05
2020-12-11 05:36:43 C 22 02 36.85 -07 57 57.6 V T05
2020-12-11 05:43:59 C 22 02 37.43 -07 57 55.7 V T05
2020-12-11 05:44:38 C 22 02 37.53 -07 57 55.9 V T05
2020-12-11 06:01:03 C 22 02 38.96 -07 57 50.4 V T05
2020-12-15 04:50:00 C 22 10 46.47 -07 26 30.9 V T05
2020-12-15 04:55:18 C 22 10 46.91 -07 26 27.9 V T05
2020-12-15 05:03:16 C 22 10 47.61 -07 26 26.9 V T05
2020-12-15 05:19:48 C 22 10 48.99 -07 26 21.0 V T05
2020-12-16 01:57:01 C 22 12 33.34 -07 19 28.5 V 703
2020-12-16 02:21:07 C 22 12 35.38 -07 19 19.3 V 703
2021-01-12 10:40:24 C 23 03 44.93 -03 28 41.4 q D29
2021-01-12 11:00:46 C 23 03 46.47 -03 28 34.0 q D29
2021-01-12 11:21:08 C 23 03 47.93 -03 28 24.9 q D29
2021-01-15 01:44:30 C 23 08 19.53 -03 05 47.8 V G96
2021-01-15 01:50:35 C 23 08 19.96 -03 05 45.9 V G96
2021-01-15 01:56:40 C 23 08 20.40 -03 05 43.7 V G96
2021-01-15 02:02:44 C 23 08 20.80 -03 05 41.6 V G96
2021-01-16 02:21:28 C 23 10 05.88 -02 56 50.7 U I41
2021-01-16 02:25:03 C 23 10 06.11 -02 56 49.6 U I41
2021-01-16 02:28:37 C 23 10 06.39 -02 56 48.1 U I41
2021-01-16 02:32:09 C 23 10 06.63 -02 56 47.0 U I41
2021-01-17 02:21:32 C 23 11 49.15 -02 48 06.3 U I41
2021-01-17 02:24:59 C 23 11 49.43 -02 48 05.3 U I41
2021-01-17 02:28:27 C 23 11 49.65 -02 48 04.3 U I41
2021-01-17 02:31:56 C 23 11 49.90 -02 48 02.7 U I41
2021-01-19 02:22:31 C 23 15 14.60 -02 30 36.4 U I41
2021-01-19 02:26:09 C 23 15 14.88 -02 30 35.3 U I41
2021-01-19 02:29:48 C 23 15 15.13 -02 30 34.1 U I41
2021-01-19 02:33:26 C 23 15 15.38 -02 30 32.5 U I41
2021-02-05 02:28:14 C 23 43 22.20 -00 01 37.0 U I41
2021-02-05 02:31:41 C 23 43 22.40 -00 01 35.2 U I41
2021-02-06 02:25:30 C 23 44 58.32 +00 07 07.1 U I41
2021-02-06 02:35:40 C 23 44 59.02 +00 07 10.4 U I41
2021-07-09 10:56:13 C 03 00 35.53 +16 04 34.2 V V00
2021-07-09 11:01:43 C 03 00 35.70 +16 04 34.8 V V00
2021-07-09 11:07:13 C 03 00 35.91 +16 04 35.1 V V00
2021-07-09 11:12:41 C 03 00 36.09 +16 04 35.8 V V00
2021-07-20 14:20:27 C 03 08 55.313 +16 26 33.46 U F51
2021-07-20 14:26:12 C 03 08 55.468 +16 26 33.95 U F51
2021-07-20 14:31:57 C 03 08 55.622 +16 26 34.48 U F51
2021-07-20 14:37:43 C 03 08 55.791 +16 26 34.76 U F51
2021-09-11 12:17:52 C 03 22 54.237 +16 08 14.00 U F51
2021-09-11 12:34:36 C 03 22 54.057 +16 08 12.27 U F51
2021-09-11 12:51:22 C 03 22 53.885 +16 08 10.58 U F51
2021-09-11 13:08:09 C 03 22 53.708 +16 08 08.93 U F51
2021-09-18 09:39:48 C 03 20 47.10 +15 49 14.3 V G96
2021-09-18 09:46:42 C 03 20 46.99 +15 49 13.5 V G96
2021-09-18 09:53:37 C 03 20 46.90 +15 49 12.7 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)