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
2008-02-28 13:26:16 C 07 06 25.99 +20 01 51.1 r 379
2008-02-28 19:02:02 C 07 14 19.09 +19 21 23.8 r B18
2008-02-28 19:02:31 C 07 14 19.69 +19 21 20.4 r B18
2008-02-28 19:03:00 C 07 14 20.33 +19 21 15.6 r B18
2008-02-28 19:03:59 C 07 14 21.69 +19 21 09.9 r B18
2008-02-28 19:04:27 C 07 14 22.26 +19 21 06.3 r B18
2008-02-28 19:04:56 C 07 14 22.96 +19 21 03.0 r B18
2008-02-28 19:05:25 C 07 14 23.57 +19 20 58.5 r B18
2008-02-28 19:05:54 C 07 14 24.25 +19 20 56.2 r B18
2008-02-28 19:06:43 C 07 14 25.30 +19 20 49.9 r B18
2008-02-28 19:07:12 C 07 14 25.96 +19 20 46.4 r B18
2008-02-28 19:07:41 C 07 14 26.56 +19 20 43.0 r B18
2008-02-28 19:09:08 C 07 14 28.54 +19 20 33.0 r B18
2008-02-28 19:10:06 C 07 14 29.81 +19 20 25.8 r B18
2008-02-28 19:10:35 C 07 14 30.46 +19 20 22.8 r B18
2008-02-28 19:11:04 C 07 14 31.15 +19 20 17.8 r B18
2008-02-28 19:11:33 C 07 14 31.75 +19 20 16.0 r B18
2008-02-28 19:12:02 C 07 14 32.41 +19 20 12.7 r B18
2008-02-28 19:12:31 C 07 14 33.05 +19 20 08.3 r B18
2008-02-28 19:13:00 C 07 14 33.70 +19 20 04.6 r B18
2008-02-28 19:13:29 C 07 14 34.30 +19 20 01.3 r B18
2008-02-28 19:13:58 C 07 14 34.96 +19 19 57.5 r B18
2008-02-28 19:14:27 C 07 14 35.61 +19 19 53.8 r B18
2008-02-28 19:14:56 C 07 14 36.26 +19 19 50.7 r B18
2008-02-28 19:15:25 C 07 14 36.90 +19 19 47.1 r B18
2008-02-28 19:15:55 C 07 14 37.56 +19 19 43.9 r B18
2008-02-29 13:11:51 C 07 37 43.96 +17 12 44.2 r 379
2008-02-29 13:40:21 C 07 38 17.11 +17 09 22.4 r 379
2008-02-29 13:49:28 C 07 38 27.76 +17 08 18.2 r 379
2008-02-29 13:51:40 C 07 38 30.29 +17 08 02.7 r 379
2008-02-29 13:53:51 C 07 38 32.85 +17 07 47.2 r 379
2008-03-01 06:30:02 C 07 57 14.31 +15 14 40.9 r H45
2008-03-01 06:30:48 C 07 57 15.08 +15 14 35.5 r H45
2008-03-01 06:32:06 C 07 57 16.43 +15 14 26.8 r H45
2008-03-01 06:32:45 C 07 57 17.12 +15 14 22.5 r H45
2008-03-01 06:34:18 C 07 57 18.68 +15 14 12.1 r H45
2008-03-01 06:35:22 C 07 57 19.80 +15 14 04.8 r H45
2008-03-01 14:56:18 C 08 05 52.68 +14 20 00.9 r 379
2008-03-01 15:12:19 C 08 06 08.05 +14 18 17.4 r 379
2008-03-01 15:25:38 C 08 06 20.83 +14 16 51.4 r 379
2008-03-01 15:28:18 C 08 06 23.36 +14 16 34.7 r 379
2008-03-01 20:57:45 C 08 11 47.56 +13 41 52.7 c 560
2008-03-01 20:58:10 C 08 11 47.94 +13 41 50.6 c 560
2008-03-01 20:58:47 C 08 11 48.49 +13 41 47.2 c 560
2008-03-04 02:28:02 C 08 53 06.95 +08 56 12.1 15.3 r 726
2008-03-04 02:32:12 C 08 53 09.45 +08 55 53.3 15.3 r 726
2008-03-04 02:36:22 C 08 53 11.95 +08 55 34.9 15.3 r 726
2008-03-04 02:40:31 C 08 53 14.43 +08 55 16.3 15.3 r 726
2008-03-04 02:44:41 C 08 53 16.92 +08 54 57.7 15.1 r 726
2008-03-04 02:50:48 C 08 53 20.62 +08 54 29.9 15.2 r 726
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)