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Compact High Resolution Imaging Spectrometer (CHRIS)

Source: http://www.lamma.rete.toscana.it, access on 28th, Apr. 2010

CHRIS provides remotely-sensed multi-angle data at high spatial resolution and in superspectral/hyperspectral wavelengths. The instrument has a spectral range of 415-1050 nm, and provides observations at 19 spectral bands simultaneously, with a spatial resolution of 20 m at nadir and a swath width of 14 km. CHRIS is on board ESA's PRoject for On-Board Autonomy (PROBA). The PROBA satellite is on a sun-synchronous elliptical polar orbit since 2001 at a mean altitude of about 600 km. CHRIS coverage for the Murrumbidgee Catchment is summarised below. CHRIS data can be downloaded from ESA.


Mission CHRIS
Sensor Compact High Resolution Imaging Spectrometer
Spacecraft PROBA
Launch date 22nd, Oct. 2001
Design life (year) > 2
Orbit Sun synchronous orbit, RAAN 10:30.
Spacecraft Operations Control Centre ESA's Ground Segment Department
Accuracy (arcsec) 150
Waveband (nm) 415 - 1050
Spatial resolution (m) 20 at nadir
Incidence Angle (°) ±55, ±36, 0
Swath (km) 14
Temporal resolution (day) Approximately 7

CHRIS overpass time

CHRIS coverage for the Murrumbidgee Catchment during the first AACES campaign have been determined from a Fortran program based on NORAD data for 6th, Nov. 2009, and are summarized in the table below. Date and time are in UTC. Aircraft flights were assumed to be conducted at 7:45 for descending overpass and 20:35 for ascending overpass.

  : Transect flight within 6 hours   : Patch flight within 6 hours
: Fully covered : Partially covered

UTC Date Start UTC Time Duration (s) Flight Patch
1 2 3 4 5 6 7 8 9 10
2010/1/18 23:15:00 15                  
2010/1/23 11:44:57 16                    
2010/1/24 11:55:56 16                    
2010/1/26 23:05:24 18                    
2010/1/27 23:16:13 15 P03                
2010/2/1 11:46:02 16                    
2010/2/2 11:57:00 16                    
2010/2/4 23:06:37 17 P05                
2010/2/5 23:17:24 15                  
2010/2/10 11:47:06 17                    
2010/2/11 11:58:05 16                    
2010/2/12 22:57:07 10 P08                  
2010/2/13 23:07:49 15                  
2010/2/14 23:18:34 15 P10                
2010/2/19 11:48:14 16                    
2010/2/20 11:59:13 17                    
2010/2/21 22:58:10 13                  
Created: January 2010
Last Modified: August 2010
Maintainer: YE Nan, Ye.Nan@monash.edu