308635 (2005 YU55)
Data
Number | 308635 |
---|---|
Provisional Designation | 2005 YU55 |
Type | Apollo, NEO, PHA |
Diameter | 0.4 km |
Absolute Magnitude, H | 21.9 |
Rotation period | 18 h |
Eccentricity | 0.4306 |
Semi-major axis | 1.157 au |
Inclination | 0.3402 ° |
Discovery Date | 2005-12-28 |
Discovery By | Spacewatch at Kitt Peak |
Radar Experiments
Doppler-Only (Continuous Wave) Echo Power Spectra
Delay-Doppler Images
Description
Echo power spectrum obtained on 2010-4-23 smoothed to a frequency resolution of 0.07 Hz. Power in the opposite circular (OC) polarization as transmitted is the solid line while the power in the same circular (SC) polarization as transmitted is the dashed line. The polariation ratio on this date was 0.48.
Observation Date: 2010-04-23 (17:14:51-17:25:28)
Resolution: 0.07 Hz
Polarization Ratio: 0.48
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Description
Echo power spectrum obtained on 2010-4-22 smoothed to a frequency resolution of 0.09 Hz. Power in the opposite circular (OC) polarization as transmitted is the solid line while the power in the same circular (SC) polarization as transmitted is the dashed line. The polariation ratio on this date was 0.4.
Observation Date: 2010-04-22 (17:56:33-18:10:24)
Resolution: 0.09 Hz
Polarization Ratio: 0.4
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Description
Echo power spectrum obtained on 2010-4-21 smoothed to a frequency resolution of 0.06 Hz. Power in the opposite circular (OC) polarization as transmitted is the solid line while the power in the same circular (SC) polarization as transmitted is the dashed line. The polariation ratio on this date was 0.27.
Observation Date: 2010-04-21 (18:38:54-18:45:19)
Resolution: 0.06 Hz
Polarization Ratio: 0.27
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Description
Echo power spectrum obtained on 2010-4-20 smoothed to a frequency resolution of 0.08 Hz. Power in the opposite circular (OC) polarization as transmitted is the solid line while the power in the same circular (SC) polarization as transmitted is the dashed line. The polariation ratio on this date was 0.35.
Observation Date: 2010-04-20 (20:00:10-20:03:10)
Resolution: 0.08 Hz
Polarization Ratio: 0.35
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Description
Echo power spectrum obtained on 2010-4-19 smoothed to a frequency resolution of 0.1 Hz. Power in the opposite circular (OC) polarization as transmitted is the solid line while the power in the same circular (SC) polarization as transmitted is the dashed line. The polariation ratio on this date was 0.39.
Observation Date: 2010-04-19 (21:43:54-21:50:03)
Resolution: 0.1 Hz
Polarization Ratio: 0.39
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Description
Echo power spectrum obtained on 2010-4-19 smoothed to a frequency resolution of 0.1 Hz. Power in the opposite circular (OC) polarization as transmitted is the solid line while the power in the same circular (SC) polarization as transmitted is the dashed line. The polariation ratio on this date was 0.41.
Observation Date: 2010-04-19 (21:51:16-22:16:02)
Resolution: 0.1 Hz
Polarization Ratio: 0.41
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Description
Echo power spectrum obtained on 2010-4-19 smoothed to a frequency resolution of 0.1 Hz. Power in the opposite circular (OC) polarization as transmitted is the solid line while the power in the same circular (SC) polarization as transmitted is the dashed line. The polariation ratio on this date was 0.22.
Observation Date: 2010-04-19 (22:25:13-22:26:34)
Resolution: 0.1 Hz
Polarization Ratio: 0.22
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Description
Delay-Doppler radar image obtained on 2010-4-19. The spatial resolution is 7.5 m per pixel vertically along the delay axis and 0.05 Hz per pixel horizontally along the Doppler axis.
Observation Date: 2010-04-19 (22:19:23-22:24:12)
Resolution, Delay Axis: 7.5 m/px
Resolution, Doppler Axis: 0.05 Hz/px
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