Detection of Small GEO Debris by Use of the Stacking Method.

Yanagisawa, Takufumi; Nakajima, Atsushi; Kimura, Takeo; Isobe, Toshio; Futami, Hiroshi; Suzuki, Masaharu

doi:10.2322/jjsass.51.61

Cited by 10 publications

(12 citation statements)

References 5 publications

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“…Details of the stacking method are shown in other papers. [9][10][11] The only weakness of the stacking method is the time required to detect an unseen object whose movement is not known, because a range of likely paths must be assumed and checked. For example, the analysis time for 65,536 processing iterations of 32 1,024×1,024-pixel frames, which are intended to detect objects moving within a 256×256-pixel area, is about 280 hours using a normal desktop computer, which is not really practical.…”

Section: Fpga Based Analysis Systemmentioning

confidence: 99%

Detection of LEO Objects Using CMOS Sensor

Yanagisawa¹,

Kurosaki²,

Oda

2016

AEROSPACE TECHNOLOGY JAPAN

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We succeeded in detecting 10 cm LEO objects at 1000 km altitude with a CMOS sensor installed to the 18cm telescope by using fast frame rate of the CMOS sensor and FPGA-based image-processing technique. The LEO survey system using numerous sets of the CMOS sensor will contribute the monitoring LEO environments which is currently done with the space surveillance network of the United States and solving the space debris problem in the future.

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Section: Fpga Based Analysis Systemmentioning

confidence: 99%

Detection of LEO Objects Using CMOS Sensor

Yanagisawa¹,

Kurosaki²,

Oda

2016

AEROSPACE TECHNOLOGY JAPAN

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“…The celestial coordinates are also used to identify the detected objects from the positions of cataloged objects. The positions of cataloged objects are calculated from the TLE (two line elements) provided by Space Track 5) . The international number, SSC number and name of identified objects are shown in columns 8, 9 and 10, respectively.…”

Section: Survey Observation At the Mt Nyukasa Optical Observation Famentioning

confidence: 99%

“…We have been developing this method, investigating its effectiveness and trying to utilize it for actual GEO debris observation since 2000 [5][6][7] . In the field of astronomy, a similar "Shift-and-Add" technique developed by Yamamoto et al 8) have been used to detect unknown trans-Neptune objects since late 1990s.…”

Section: Principlementioning

confidence: 99%

Detection of Faint GEO Objects Using JAXA’s Fast Analysis Methods

Yanagisawa

Kurosaki

2012

AEROSPACE TECHNOLOGY JAPAN

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JAXA is developing analysis methods which can detect faint geostationary (GEO) objects that are not in the catalog provided by U.S. The stacking method, which uses numerous CCD frames to detect objects below the background noise level, has been developed and has been shown to work well, but has the drawback that detecting objects whose movements are unknown is extremely time-consuming. To overcome this, a new algorithm is developed which uses binarization of CCD images and calculates sum values instead of medians. When implemented in a field programmable gate array (FPGA), the algorithm reduces the analysis time by a factor of a thousand over the original stacking method, which enables us to analyze one night's data before the following night's observation. Another fast analysis method is a line-identifying technique which finds straight-line candidates in time-sequential CCD frames and can also detect faint GEO objects. Although the stacking method can detect fainter objects, the line-identifying technique has much shorter analysis time and can detect 40 cm-size objects in GEO using a 35 cm telescope. These two analysis methods may contribute to detecting many un-cataloged objects in the near future.

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“…High-resolution optical systems with wide fields of view have been constructed to detect small space objects 4) , and some space debris has been monitored 5) . Moreover, image-processing techniques to detect faint objects have recently been developed 6,7) . Studying the orbital dynamics has enabled a systematic and efficient method of scanning to be formulated.…”

Section: Introductionmentioning

confidence: 99%

Scan by Monitoring a Pair of Points

Umehara

Takahashi

Otsubo

et al. 2005

Trans. JSASS Space Tech. Japan

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A systematic and efficient procedure for optical scan along the geostationary orbit (GEO) has been designed to determine the numerous orbits passing near the GEO. The scan corresponds to alternate monitoring of two points on the GEO. Therefore, follow-up observation enables orbits with high orbital inclinations to be captured despite large errors in measurement. The validity of the procedure was confirmed through experimental observation using a 35-cm optical telescope located at the Kashima Space Research Center.

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Detection of Small GEO Debris by Use of the Stacking Method.

Cited by 10 publications

References 5 publications

Detection of LEO Objects Using CMOS Sensor

Detection of LEO Objects Using CMOS Sensor

Detection of Faint GEO Objects Using JAXA’s Fast Analysis Methods

Scan by Monitoring a Pair of Points

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