143404 (2003 BD44)
Data
Number | 143404 |
---|---|
Provisional Designation | 2003 BD44 |
Type | Apollo, NEO, PHA |
Absolute Magnitude, H | 16.9 |
Rotation period | 78.64 h |
Eccentricity | 0.6065 |
Semi-major axis | 1.968 au |
Inclination | 2.663 ° |
Discovery Date | 2003-01-30 |
Discovery By | LONEOS at Anderson MesA |
Radar Experiments
Doppler-Only (Continuous Wave) Echo Power Spectra
Delay-Doppler Images
Animations
Description
Echo power spectrum obtained on 2011-4-13 smoothed to a frequency resolution of 0.03 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 0.25.
Observation Date: 2011-04-13 (23:22:23-23:38:39)
Resolution: 0.03 Hz
Polarization Ratio: 0.25
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Description
Echo power spectrum obtained on 2011-4-12 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 0.25.
Observation Date: 2011-04-12 (23:39:40-23:40:44)
Resolution: 0.09 Hz
Polarization Ratio: 0.25
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Description
Echo power spectrum obtained on 2011-4-11 smoothed to a frequency resolution of 0.03 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 0.21.
Observation Date: 2011-04-11 (00:21:36-00:27:58)
Resolution: 0.03 Hz
Polarization Ratio: 0.21
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Description
Echo power spectrum obtained on 2011-4-6 smoothed to a frequency resolution of 0.025 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 0.66.
Observation Date: 2011-04-06 (01:21:03-01:33:45)
Resolution: 0.025 Hz
Polarization Ratio: 0.66
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Description
Echo power spectrum obtained on 2011-3-31 smoothed to a frequency resolution of 0.027 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 0.23.
Observation Date: 2011-03-31 (03:32:13-03:45:05)
Resolution: 0.027 Hz
Polarization Ratio: 0.23
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Description
Delay-Doppler radar image obtained on 2017-4-12. 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: 2017-04-12 (23:44:09-01:27:56)
Resolution, Delay Axis: 7.5 m/px
Resolution, Doppler Axis: 0.05 Hz/px
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Description
Delay-Doppler radar image obtained on 2017-4-11. 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: 2017-04-11 (00:37:30-02:10:56)
Resolution, Delay Axis: 7.5 m/px
Resolution, Doppler Axis: 0.05 Hz/px
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Description
Delay-Doppler radar image obtained on 2017-4-6. The spatial resolution is 30 m per pixel vertically along the delay axis and 0.2 Hz per pixel horizontally along the Doppler axis.
Observation Date: 2017-04-06 (02:37:53-03:41:46)
Resolution, Delay Axis: 30 m/px
Resolution, Doppler Axis: 0.2 Hz/px
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Description
Delay-Doppler radar image obtained on 2017-3-31. The spatial resolution is 75 m per pixel vertically along the delay axis and 0.5 Hz per pixel horizontally along the Doppler axis.
Observation Date: 2017-03-31 (03:50:29-04:18:47)
Resolution, Delay Axis: 75 m/px
Resolution, Doppler Axis: 0.5 Hz/px
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Description
Delay-Doppler radar image obtained on 2011-4-29. The spatial resolution is 30 m per pixel vertically along the delay axis and 0.2 Hz per pixel horizontally along the Doppler axis.
Observation Date: 2011-04-29 (15:56:33-17:21:18)
Resolution, Delay Axis: 30 m/px
Resolution, Doppler Axis: 0.2 Hz/px
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Description
Delay-Doppler radar image obtained on 2011-4-14. 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: 2011-04-14 (23:24:09-00:59:34)
Resolution, Delay Axis: 7.5 m/px
Resolution, Doppler Axis: 0.05 Hz/px
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Description
Delay-Doppler radar image obtained on 2011-4-13. 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: 2011-04-13 (23:47:46-00:47:08)
Resolution, Delay Axis: 7.5 m/px
Resolution, Doppler Axis: 0.05 Hz/px
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Description
Delay-Doppler radar image obtained on 2011-4-13. 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: 2011-04-13 (00:52:22-01:13:27)
Resolution, Delay Axis: 7.5 m/px
Resolution, Doppler Axis: 0.05 Hz/px
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