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
2002-10-05 06:00:36 C 23 42 09.95 +08 45 08.8 19.6 c 704
2002-10-05 06:23:07 C 23 42 07.39 +08 45 07.1 19.8 c 704
2002-10-05 07:07:58 C 23 42 02.31 +08 45 09.5 19.7 c 704
2002-10-05 07:30:19 C 23 41 59.80 +08 45 10.9 19.5 c 704
2002-10-06 06:36:21 C 23 39 31.79 +08 46 07.0 c 651
2002-10-06 06:39:46 C 23 39 31.39 +08 46 07.1 c 651
2002-10-06 06:42:33 C 23 39 31.09 +08 46 07.4 c 651
2002-10-06 07:36:45 C 23 39 24.64 +08 46 06.2 c 649
2002-10-06 07:49:15 C 23 39 23.23 +08 46 06.2 c 649
2002-10-06 07:54:52 C 23 39 22.58 +08 46 06.8 c 649
2002-10-07 02:52:01 C 23 37 20.10 +08 46 46.3 c 649
2002-10-07 02:58:56 C 23 37 19.34 +08 46 46.2 c 649
2002-10-07 03:04:29 C 23 37 18.71 +08 46 46.6 c 649
2002-10-07 04:14:43 C 23 37 10.88 +08 46 50.8 19.0 c 704
2002-10-07 04:37:31 C 23 37 08.20 +08 46 51.7 19.4 c 704
2002-10-07 05:00:18 C 23 37 05.59 +08 46 51.5 19.9 c 704
2002-10-07 05:23:11 C 23 37 03.04 +08 46 53.0 20.4 c 704
2002-10-08 21:18:08 C 23 32 35.42 +08 47 53.4 c 246
2002-10-08 21:19:28 C 23 32 35.26 +08 47 53.5 c 246
2002-10-08 21:20:45 C 23 32 35.09 +08 47 53.4 c 246
2002-10-08 21:21:55 C 23 32 34.96 +08 47 53.4 c 246
2002-10-08 21:23:21 C 23 32 34.78 +08 47 53.4 c 246
2002-10-08 21:24:39 C 23 32 34.66 +08 47 53.4 c 246
2002-10-09 03:59:30 C 23 31 50.31 +08 48 08.4 19.0 c 704
2002-10-09 04:22:12 C 23 31 47.62 +08 48 08.6 19.7 c 704
2002-10-09 04:44:54 C 23 31 44.94 +08 48 09.5 19.7 c 704
2002-10-09 05:07:41 C 23 31 42.22 +08 48 09.1 19.9 c 704
2002-10-09 05:30:26 C 23 31 39.41 +08 48 10.0 19.8 c 704
2002-10-10 04:55:11 C 23 28 58.52 +08 48 37.8 c 448
2002-10-10 05:14:32 C 23 28 56.17 +08 48 38.2 c 448
2002-10-10 05:19:24 C 23 28 55.58 +08 48 38.3 c 448
2002-10-11 03:32:18 C 23 26 21.28 +08 48 58.3 c 448
2002-10-11 03:39:14 C 23 26 20.41 +08 48 58.3 c 448
2002-10-11 03:43:56 C 23 26 19.84 +08 48 58.9 c 448
2002-10-11 03:55:09 C 23 26 18.45 +08 48 59.0 c 448
2002-10-14 05:10:11 C 23 17 34.50 +08 49 31.1 c 649
2002-10-14 05:14:21 C 23 17 33.97 +08 49 31.1 c 649
2002-10-14 05:18:33 C 23 17 33.44 +08 49 31.0 c 649
2002-10-14 13:59:02 C 23 16 30.01 +08 50 02.6 m 413
2002-10-14 14:01:20 C 23 16 29.75 +08 50 02.3 m 413
2002-10-14 14:03:39 C 23 16 29.43 +08 50 03.8 m 413
2002-10-22 03:10:12 C 22 54 05.21 +08 49 15.0 c 448
2002-10-22 03:22:46 C 22 54 03.52 +08 49 13.5 c 448
2002-10-22 03:36:43 C 22 54 01.65 +08 49 13.7 c 448
2002-10-23 03:50:49 C 22 50 59.55 +08 49 13.5 c 691
2002-10-23 03:53:51 C 22 50 59.19 +08 49 13.7 c 691
2002-10-23 03:56:50 C 22 50 58.78 +08 49 14.2 c 691
2002-10-23 04:00:04 C 22 50 58.34 +08 49 14.4 c 691
2002-10-23 04:02:56 C 22 50 57.95 +08 49 12.9 c 691
2002-10-23 04:05:55 C 22 50 57.52 +08 49 13.9 c 691
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)