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
2008-04-04 05:10:06 C 10 54 14.25 -04 33 12.6 r 703
2008-04-04 05:17:00 C 10 54 14.58 -04 33 14.4 r 703
2008-04-04 05:23:53 C 10 54 14.86 -04 33 16.3 r 703
2008-04-04 05:30:47 C 10 54 15.30 -04 33 17.8 r 703
2008-04-13 03:15:53 C 11 05 24.94 -05 07 47.0 19.5 c 704
2008-04-13 03:47:34 C 11 05 26.34 -05 07 51.0 19.4 c 704
2008-04-13 04:03:24 C 11 05 27.06 -05 07 51.9 19.4 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)