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
2002-10-24 17:39:34 C 22 46 16.24 +08 49 10.7 d 118
2002-10-24 17:49:18 C 22 46 14.92 +08 49 10.9 d 118
2002-10-24 17:59:46 C 22 46 13.59 +08 49 10.8 d 118
2002-10-26 20:21:21 C 22 39 56.05 +08 49 36.0 c 587
2002-10-26 20:35:59 C 22 39 54.23 +08 49 36.1 c 587
2002-10-26 20:39:35 C 22 39 53.74 +08 49 35.8 c 587
2002-10-31 01:43:00 C 22 27 27.11 +08 51 53.4 c 715
2002-10-31 01:49:22 C 22 27 26.28 +08 51 52.8 c 715
2002-11-06 03:41:59 C 22 09 53.08 +09 00 04.9 c 649
2002-11-06 03:46:07 C 22 09 52.58 +09 00 05.1 c 649
2002-11-06 03:53:02 C 22 09 51.69 +09 00 05.8 c 649
2002-11-10 18:39:30 C 21 56 51.28 +09 11 48.5 c 246
2002-11-10 18:40:52 C 21 56 51.09 +09 11 48.8 c 246
2002-11-10 18:42:13 C 21 56 50.88 +09 11 48.7 c 246
2002-11-10 18:43:28 C 21 56 50.80 +09 11 49.1 c 246
2002-11-10 18:46:08 C 21 56 50.41 +09 11 49.3 c 246
2002-11-21 02:29:07 C 21 26 34.59 +09 56 49.4 c 448
2002-11-21 02:49:08 C 21 26 31.76 +09 56 53.5 c 448
2002-11-21 03:13:52 C 21 26 28.28 +09 56 58.4 c 448
2002-11-28 02:19:47 C 21 01 58.39 +10 34 41.5 c 696
2002-11-28 02:21:21 C 21 01 58.00 +10 34 42.3 c 696
2003-02-09 12:34:50 C 15 19 20.66 -18 46 34.7 d 291
2003-02-09 12:41:18 C 15 19 20.42 -18 46 39.3 d 291
2003-02-09 12:48:18 C 15 19 20.10 -18 46 44.1 d 291
2003-03-13 16:06:50 C 14 33 05.13 -23 47 46.0 c 474
2003-03-13 16:13:01 C 14 33 04.53 -23 47 45.9 c 474
2003-03-13 16:19:00 C 14 33 03.90 -23 47 46.3 c 474
2003-03-23 10:41:26 C 14 09 26.29 -23 29 28.5 c 644
2003-03-23 11:11:40 C 14 09 22.96 -23 29 21.9 c 644
2003-03-23 11:42:01 C 14 09 19.63 -23 29 15.7 c 644
2003-04-02 08:31:43 C 13 44 38.38 -22 16 33.0 d 809
2003-04-02 08:35:14 C 13 44 37.98 -22 16 31.4 d 809
2003-04-02 08:38:47 C 13 44 37.71 -22 16 32.0 d 809
2003-05-06 06:03:33 C 12 53 41.29 -16 24 48.0 d 291
2003-05-06 06:14:03 C 12 53 41.00 -16 24 46.3 d 291
2003-05-06 06:24:36 C 12 53 40.74 -16 24 41.3 d 291
2007-08-10 08:32:34 C 23 41 44.18 -01 55 34.2 o 291
2007-08-10 08:51:53 C 23 41 43.88 -01 55 33.8 o 291
2007-08-10 09:11:13 C 23 41 43.43 -01 55 34.0 o 291
2007-08-23 09:15:01 C 23 32 23.43 -02 04 54.0 o 691
2007-09-14 04:22:09 C 22 59 05.52 -03 35 32.9 o 691
2007-09-14 04:47:28 C 22 59 03.37 -03 35 39.3 o 691
2008-02-18 19:29:07 C 01 40 20.10 +23 12 29.8 r A17
2008-02-18 19:40:50 C 01 40 27.87 +23 12 58.7 r A17
2008-02-18 19:50:52 C 01 40 34.55 +23 13 24.4 r A17
2008-02-24 15:29:58 C 04 25 15.93 +27 37 04.8 o 300
2008-02-24 15:30:52 C 04 25 17.47 +27 37 02.3 o 300
2008-02-24 15:34:31 C 04 25 23.93 +27 36 56.5 o 300
2008-02-24 17:57:09 C 04 29 44.94 +27 34 29.2 r 113
2008-02-24 17:57:51 C 04 29 46.11 +27 34 28.0 r 113
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)