Mission characterization of LEO targets - NASA€¦ · Mission characterization of LEO targets T....
Transcript of Mission characterization of LEO targets - NASA€¦ · Mission characterization of LEO targets T....
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Mission characterization of LEO targets
T. Suchodolski, P. Lejba, P. Michałek, J. Bartoszak, S. ZapaśnikSpace Research Centre of the Polish Academy of Sciences,
ul. Drapałka 4, 62-035 Kórnik, Poland
21th International Workshop On Laser Ranging, Canberra, November 5-9, 2018
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CBK PAN21th International Workshop On Laser Ranging, Canberra,
November 5-9, 20182
Dr. Eng. Tomasz [email protected]
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SD statistics in 2018– all passes
Our targets in 2018
ADEOS-2ENVISATERS-1&2JASON-1OICETSSEASAT-1TOPEX
R/B’s:2848031114
Till the end of October, 2018, BORL station has performed 456 passes of LEO space debris targets (5769 NP’s) with the average RMS of the measurements from 2.5 cm to 45.1 cm
321th International Workshop On Laser Ranging, Canberra,
November 5-9, 2018CBK PAN
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CBK PAN21th International Workshop On Laser Ranging, Canberra,
November 5-9, 20184
BORL 7811 SETUP
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What you can get from 10Hz laser ?
TOPEX/POSEIDONENVISAT
521th International Workshop On Laser Ranging, Canberra,
November 5-9, 2018CBK PAN
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What you can get from 10Hz laser ?
621th International Workshop On Laser Ranging, Canberra,
November 5-9, 2018CBK PAN
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CBK SLR – SECOND SETUP
CBK PAN21th International Workshop On Laser Ranging, Canberra,
November 5-9, 20187
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CBK SLR – second system
821th International Workshop On Laser Ranging, Canberra,
November 5-9, 2018CBK PAN
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921th International Workshop On Laser Ranging, Canberra,
November 5-9, 2018
ADSB monitoringORBITAL visualisation
METEO visualisation
CBK PAN
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First optical passive tests – from LEO to GEO
1021th International Workshop On Laser Ranging, Canberra,
November 5-9, 2018CBK PAN
EXPOSURE TIME1 sec (CRYOSAT-2)5 sec (ASTRA)
TELESCOPERC 8’’
DETECTOR TYPEASI 1600MMC (MONO, COOLED CAMERA, SPECTRA RANGE 400-800 nm)
FOV38’x29’
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OBJECTIVES
1121th International Workshop On Laser Ranging, Canberra,
November 5-9, 2018CBK PAN
• collection of pictures of satellites equipped with sollar arrays (with distinctionon silicon arrays and gallium arsenide) and without these arrays
• the collected pictures will be used for data corellation and to determine the probability of the effectiveness of targets (satellites/space debris) distinguishing
• system callibration including correction of the distance between diffractiongrating and camera
• specification of the parameters for the futured advanced spectra module placed on the main telescope (aperture 65 cm)
• missions characterization for needs of SST activity
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Spectroscopy of LEO targets – preliminary stage
1221th International Workshop On Laser Ranging, Canberra,
November 5-9, 2018CBK PAN
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Spectroscopy of LEO targets – preliminary stage
PASS17 OCTOBER 2018, 18:53:32 UTC
EXPOSURE TIME1 sec
WEATHER CONDITIONSHIGH THIN CLOUDS
TELESCOPERC 8’’
DIFFRACTION GRATING 100
DETECTOR TYPEASI 1600MMC (MONO, COOLED CAMERA, SPECTRA RANGE 400-800 nm)
FOV38’ x 29’
1321th International Workshop On Laser Ranging, Canberra,
November 5-9, 2018CBK PAN
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Spectroscopy of LEO targets – preliminary stageSPECTRUM of JASON-3
1421th International Workshop On Laser Ranging, Canberra,
November 5-9, 2018CBK PAN
Real-time Spectroscopy software
SILICON SPECTRUM
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1521th International Workshop On Laser Ranging, Canberra,
November 5-9, 2018CBK PAN
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SUMMARY
• the second CBK SLR setup should be fully operational including laser ranging, spectroscopy and fotometry before next laser workshop in China (keep fingerscrossed ☺)
• FOR SURE, we need more good engineers ! ☺
• Some constraints/restricitions/limitations wrt the presented technique:
telescope pointing accuracy, camera/detector focus, the distance to the target, constant of diffraction grating, diffraction grating position relative to camera, target position/orientation wrt the station, weather conditions (atmosphericeffects like seeing), others...
• to combine different techniques we can get much more informations aboutthe target during one pass
• several new targets are being plan to tests (e.g. TOPEX, SEASAT, CHINESE and RUSSIAN BOOSTERS)
• when our spectroscopy approach will be confirmed by the results, then we invest into advanced spectra module
• there are our first results, any remarks, suggestions are welcomed ☺
1621th International Workshop On Laser Ranging, Canberra,
November 5-9, 2018CBK PAN
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Have sometimessome fun during your work ! ☺