2003 YT1
Discovered on December 18, 2003 by the Catalina Sky Survey. Included in the list of the "Potentially Hazardous Asteroids" of the Minor Planet Center.
Orbital and Physical Characteristics
| Primary | Secondary | |
|---|---|---|
| Epoch | 2018 Mar 23 | |
| Mean Anomaly | 11.41702° | |
| Argument of Perihelion | 91.04242° | |
| Longitude of Ascending Node | 38.33470° | |
| Inclination | 44.06392° | |
| Eccentricity | 0.2918903 | ~0.2 |
| Semimajor Axis | 1.1095769 AU | ~3.93 km |
| Orbital Period | 1.17 years | ~1.5 days |
MOID |
0.0026961 AU | |
| Orbit type | Apollo | |
| Absolute Magnitude | 16.2 | |
| Diameter | 1100 m [1] | ~200 m |
| Rotation period | 2.343 h [2] | ~6 h |
Close Approach to the Earth
| Date of encounter | 2016 Oct 31 |
| Distance | 0.0348 AU (13.6 lunar distances) |
Observation Schedule
| Date | Window, UT | Receiver |
Transmitter |
Frequency, MHz |
λ, cm |
Ptx, kW |
R, au |
RTT, sec |
SNR/RTT |
|---|---|---|---|---|---|---|---|---|---|
| 2016 Oct 31 | 04:55 - 09:35 | RT-32 (Sv, Zc, Bd) | DSS-14 [3] | 8560.0 | 3.5 | 400 | 0.035 | 35 | 5 |
Echo power spectrum
Bistatic DSS-14/RT-32 continuous wave echo power spectra of 2003 YT1 obtained at Badary and Svetloe observatories on October 31, 2016 from 4:57 to 5:32 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
Nolan et al., Mainzer et al., Delbo et al.
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.