179806 (2002 TD66)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5348456100 ± 2.61e-08
Semi-major axis (a)1.8576822712 AU ± 1.33e-08
Inclination (i)4.92685396° ± 4.72e-06
Long. of Asc. Node (Ω)335.52116207° ± 7.01e-06
Arg. of Perihelion (ω)125.89909048° ± 9.58e-06
Mean Anomaly (M)16.16654360° ± 2.06e-05
Mean Motion (n)0.3892737524°/day ± 4.19e-09
Perihelion dist (q)0.86410906 AU ± 4.89e-08
Aphelion dist (Q)2.85125548 AU ± 5.27e-08
Orbital Period2.53196183 yr ± 2.72e-08
Physical Parameters
H (abs. magnitude)20.46
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.490″
Uncertainty0
Orbit TypeApollo
MOID0.005330 AU
Observations Used303
Radar Obs Used1
Oppositions4
Arc Total2002-2008
First Observation Used2002-10-05
Last Observation Used2008-04-13
Observations (307)
Date Type RA Dec Mag Band Observatory
2008-03-08 14:11:10 C 09 40 31.65 +03 04 30.1 r 379
2008-03-09 05:58:36 C 09 45 10.44 +02 29 51.0 r H45
2008-03-09 06:01:28 C 09 45 11.19 +02 29 45.1 r H45
2008-03-09 08:09:03 C 09 45 46.27 +02 25 23.5 c G69
2008-03-09 09:34:20 C 09 46 08.73 +02 22 24.5 c G69
2008-03-09 10:16:43 C 09 46 19.91 +02 20 57.7 c G69
2008-03-09 22:03:49 C 09 49 31.32 +01 57 30.0 o A92
2008-03-09 22:19:31 C 09 49 35.13 +01 57 01.1 o A92
2008-03-09 22:40:28 C 09 49 40.23 +01 56 20.8 o A92
2008-03-10 05:37:08 C 09 51 28.64 +01 43 33.5 c G69
2008-03-10 05:49:20 C 09 51 31.47 +01 43 11.4 c G69
2008-03-10 06:19:54 C 09 51 38.46 +01 42 15.4 c G69
2008-03-10 08:02:52 C 09 52 01.00 +01 39 08.8 17.2 c 704
2008-03-10 08:18:42 C 09 52 04.64 +01 38 40.2 17.5 c 704
2008-03-10 08:35:56 C 09 52 08.61 +01 38 08.9 17.2 c 704
2008-03-10 08:52:21 C 09 52 12.42 +01 37 39.2 16.9 c 704
2008-03-10 09:08:12 C 09 52 16.08 +01 37 10.6 16.9 c 704
2008-03-10 16:30:11 C 09 54 02.47 +01 24 12.0 r 379
2008-03-10 16:34:22 C 09 54 03.38 +01 24 04.6 r 379
2008-03-10 16:38:34 C 09 54 04.31 +01 23 57.4 r 379
2008-03-10 16:57:21 C 09 54 08.50 +01 23 25.3 r 379
2008-03-10 17:01:33 C 09 54 09.44 +01 23 17.8 r 379
2008-03-11 02:26:43 C 09 56 25.55 +01 07 26.5 P 716
2008-03-11 04:23:51 C 09 56 49.96 +01 04 17.1 P 716
2008-03-11 05:30:29 C 09 57 03.60 +01 02 29.4 P 716
2008-03-11 05:51:57 C 09 57 07.14 +01 01 59.2 r H45
2008-03-11 06:32:43 C 09 57 16.24 +01 00 49.7 P 716
2008-03-12 06:10:02 C 10 02 11.83 +00 25 27.6 r 703
2008-03-12 06:19:34 C 10 02 13.56 +00 25 14.3 r 703
2008-03-12 06:29:07 C 10 02 15.25 +00 25 01.0 r 703
2008-03-12 06:38:40 C 10 02 16.98 +00 24 47.2 r 703
2008-03-13 06:13:38 C 10 06 41.36 -00 06 28.6 r 703
2008-03-13 06:23:44 C 10 06 42.94 -00 06 41.9 r 703
2008-03-13 06:33:49 C 10 06 44.60 -00 06 53.9 r 703
2008-03-13 06:43:55 C 10 06 46.22 -00 07 06.2 r 703
2008-03-15 04:00:56 C 10 14 06.92 -00 57 47.1 16.8 c 704
2008-03-15 04:16:39 C 10 14 09.02 -00 58 01.7 17.3 c 704
2008-03-15 04:32:38 C 10 14 11.14 -00 58 19.0 16.9 c 704
2008-03-15 04:48:19 C 10 14 13.23 -00 58 34.7 17.1 c 704
2008-03-15 05:04:09 C 10 14 15.35 -00 58 50.2 17.2 c 704
2008-03-16 05:59:03 C 10 17 43.56 -01 22 20.0 r H45
2008-03-16 06:00:20 C 10 17 43.71 -01 22 21.5 r H45
2008-03-16 06:02:23 C 10 17 43.96 -01 22 23.4 r H45
2008-03-16 06:03:15 C 10 17 44.06 -01 22 24.2 r H45
2008-03-16 06:05:07 C 10 17 44.29 -01 22 25.5 r H45
2008-03-16 06:07:15 C 10 17 44.57 -01 22 27.7 r H45
2008-03-16 06:10:25 C 10 17 44.94 -01 22 30.1 r H45
2008-03-27 07:55:11 C 10 42 42.06 -03 46 42.5 19.1 c 704
2008-03-27 08:12:36 C 10 42 43.12 -03 46 47.5 19.0 c 704
2008-03-27 08:30:11 C 10 42 44.25 -03 46 53.9 18.9 c 704
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2008-02-23 21:08:00 45923403.89 8 us 2380 -1 -1
2008-02-23 21:08:00 76436.99 0.2 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)