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
2008-02-24 17:58:32 C 04 29 47.30 +27 34 27.2 r 113
2008-02-24 17:59:14 C 04 29 48.50 +27 34 26.4 r 113
2008-02-24 17:59:54 C 04 29 49.66 +27 34 25.5 r 113
2008-02-24 18:00:35 C 04 29 50.83 +27 34 24.5 r 113
2008-02-24 18:17:57 C 04 30 21.01 +27 34 16.8 r 130
2008-02-24 18:18:37 C 04 30 22.13 +27 34 15.8 r 130
2008-02-24 18:19:30 C 04 30 23.66 +27 34 14.4 r 130
2008-02-24 18:20:10 C 04 30 24.82 +27 34 13.7 r 130
2008-02-24 18:45:40 C 04 31 09.03 +27 33 31.5 o 151
2008-02-24 18:46:26 C 04 31 10.36 +27 33 30.3 o 151
2008-02-24 18:47:12 C 04 31 11.71 +27 33 29.3 o 151
2008-02-24 18:47:57 C 04 31 13.00 +27 33 27.9 o 151
2008-02-24 18:48:44 C 04 31 14.30 +27 33 26.4 o 151
2008-02-24 18:49:30 C 04 31 15.63 +27 33 25.5 o 151
2008-02-24 18:50:16 C 04 31 16.97 +27 33 24.6 o 151
2008-02-25 18:17:49 C 05 13 42.06 +26 35 10.3 o 151
2008-02-25 18:18:36 C 05 13 43.42 +26 35 07.5 o 151
2008-02-25 18:19:22 C 05 13 44.80 +26 35 04.6 o 151
2008-02-25 18:20:54 C 05 13 47.55 +26 34 59.6 o 151
2008-02-26 01:09:58 C 05 26 14.88 +26 08 37.1 15.6 r 726
2008-02-26 01:14:57 C 05 26 23.73 +26 08 16.4 15.9 r 726
2008-02-26 01:18:58 C 05 26 30.79 +26 07 59.9 15.8 r 726
2008-02-26 01:22:57 C 05 26 37.94 +26 07 42.9 15.8 r 726
2008-02-26 01:26:56 C 05 26 45.02 +26 07 26.5 15.8 r 726
2008-02-26 01:30:57 C 05 26 52.13 +26 07 09.2 16.2 r 726
2008-02-27 05:11:17 C 06 15 48.56 +23 41 25.9 16.4 c 704
2008-02-27 05:27:55 C 06 16 15.75 +23 39 40.5 15.9 c 704
2008-02-27 05:44:32 C 06 16 43.35 +23 37 53.7 16.1 c 704
2008-02-27 06:01:14 C 06 17 10.99 +23 36 06.4 16.1 c 704
2008-02-27 06:17:53 C 06 17 38.39 +23 34 19.3 17.0 c 704
2008-02-28 03:44:49 C 06 52 15.26 +21 10 50.2 16.2 c 704
2008-02-28 03:45:15 C 06 52 15.92 +21 10 46.7 16.4 c 704
2008-02-28 04:01:27 C 06 52 39.73 +21 08 53.1 17.5 c 704
2008-02-28 04:01:46 C 06 52 40.22 +21 08 49.9 18.0 c 704
2008-02-28 04:17:49 C 06 53 03.61 +21 06 57.3 15.5 c 704
2008-02-28 04:18:12 C 06 53 04.16 +21 06 54.7 15.9 c 704
2008-02-28 04:34:13 C 06 53 27.73 +21 04 59.5 17.0 c 704
2008-02-28 04:34:41 C 06 53 28.17 +21 04 58.0 16.4 c 704
2008-02-28 04:50:36 C 06 53 51.50 +21 03 04.6 15.9 c 704
2008-02-28 04:51:14 C 06 53 52.41 +21 03 00.3 15.4 c 704
2008-02-28 06:41:25 C 06 56 31.58 +20 49 30.7 r H45
2008-02-28 06:42:02 C 06 56 32.44 +20 49 26.3 r H45
2008-02-28 06:43:12 C 06 56 34.13 +20 49 17.8 r H45
2008-02-28 06:44:21 C 06 56 35.82 +20 49 09.7 r H45
2008-02-28 06:45:23 C 06 56 37.30 +20 49 02.1 r H45
2008-02-28 06:46:22 C 06 56 38.77 +20 48 55.0 r H45
2008-02-28 06:47:30 C 06 56 40.43 +20 48 46.7 r H45
2008-02-28 12:59:15 C 07 05 48.50 +20 05 06.6 r 379
2008-02-28 13:08:48 C 07 06 01.79 +20 03 57.5 r 379
2008-02-28 13:24:04 C 07 06 22.94 +20 02 07.3 r 379
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)