2003 TL4
Discovered on October 13, 2003 by LINEAR, Socorro. Included in the list of the "Potentially Hazardous Asteroids" of the Minor Planet Center.
Orbital and Physical Characteristics
| Epoch | 2018 Mar 23 |
| Mean Anomaly | 258.66789° |
| Argument of Perihelion | 321.94134° |
| Longitude of Ascending Node | 220.06455° |
| Inclination | 12.18575° |
| Eccentricity | 0.3815075 |
| Semimajor Axis | 0.7766002 AU |
| Orbital Period | 0.68 years |
MOID |
0.0257485 AU |
| Orbit type | Aten |
| Absolute Magnitude | 19.4 |
| Diameter | ~380 m |
| Rotation period | 27.2 h [1] |
Close Approach to the Earth
| Date of encounter | 2016 Oct 27 |
| Distance | 0.0258 AU (10.1 lunar distances) |
Observation Schedule
| Date | Window, UT | Receiver |
Transmitter |
Frequency, MHz |
λ, cm |
Ptx, kW |
R, au |
RTT, sec |
SNR/RTT |
|---|---|---|---|---|---|---|---|---|---|
| 2016 Oct 29 | 16:45 - 17:10 | РТ-32 (Sv, Zc) | DSS-14 [2] | 8560.0 | 3.5 | 400 | 0.029 | 28 | 7 |
Echo power spectrum
Bistatic DSS-14/RT-32 continuous wave echo power spectra of 2003 TL4 obtained at Zelenchukskaya observatory on October 29, 2016 from 16:50 to 17:05 UT. Solid and dashed lines denote echo power in the opposite circular (OC) and same circular (SC) polarizations as that of the transmitted wave.
Remarks
Warner, B. et al., 2009.
We thank L. A. Benner, S. Naidu, M. Brozovic and the technical staff at Goldstone for the help with the radar observations.