'Star tracker' diaporamas de présentation

953 views • 77 slides

NGGM ASSESSMENT STUDY Progress Meeting 1 TAS-I, Torino, 27-28 January 2010

585 views • 58 slides

Georeferencing of Images by Exploiting Geometric Distortions in Stereo Images of UK DMC

Georeferencing of Images by Exploiting Geometric Distortions in Stereo Images of UK DMC. Final Defense. Mirza Muhammad Waqar. Advisor Dr. Rafia Mumtaz (SEECS, NUST) Guidance & Examination Committee Dr. Ejaz Hussain (IGIS, NUST) Dr. Rizwan Bulbul (IGIS, NUST)

551 views • 55 slides

Introduction to HYPER Measuring Lense-Thirring with Atom Interferometry

659 views • 46 slides

Super Star Tracker

Super Star Tracker. ISAL Study 28 January - 8 February 2002. Get a good handle on mass/power/cost/size for input into an IMDC study for SI or MAXIM Pathfinder, where 30 microarcsec line-of-sight knowledge is needed. At least better than the WAG we have made in the past IMDC runs

532 views • 27 slides

Super Star Tracker

Super Star Tracker. ISAL Study 28 January - 8 February 2002. Get a good handle on mass/power/cost/size for input into an IMDC study for SI or MAXIM Pathfinder, where 30 microarcsec line-of-sight knowledge is needed. At least better than the WAG we have made in the past IMDC runs

288 views • 27 slides

Alternative In-Flight Calibration of the GOCE Gradiometer: ESA-L Method Daniel Lamarre

Alternative In-Flight Calibration of the GOCE Gradiometer: ESA-L Method Daniel Lamarre Michael Kern ESA. Topics Differences between TAS-I & ESA-L methods Comparison between TAS-I & ESA-L results Improvement of scale factor retrieval with star tracker combination

346 views • 21 slides

Alternative In-Flight Calibration of the GOCE Gradiometer: ESA-L Method Daniel Lamarre

Alternative In-Flight Calibration of the GOCE Gradiometer: ESA-L Method Daniel Lamarre Michael Kern ESA. Topics Differences between TAS-I & ESA-L methods Comparison between TAS-I & ESA-L results Improvement of scale factor retrieval with star tracker combination

318 views • 21 slides

Dr. Aprille Ericsson Eric Stoneking June 28, 2001

SuperNova/ Acceleration Probe (SNAP). Attitude Control Systems. Dr. Aprille Ericsson Eric Stoneking June 28, 2001. ACS Overview. Will meet the requirements with some modifications: ACS can acquire the target within the instrument FOV.

336 views • 20 slides

EACD V Regional Lisbon Debate May Evaluation 2010

Presentation about 'EACD V Regional Lisbon Debate May Evaluation 2010'

206 views • 20 slides

Super Star Trackers for MAXIM and Stellar Imager

Super Star Trackers for MAXIM and Stellar Imager. Several future missions will require a stable reference at the level of 30 ?as MAXIM Pathfinder, Stellar Imager Eventually, missions will need a stable reference at the level of 30 nano-arcsecs! MAXIM, Gamma ray lens, ARISE

373 views • 17 slides

Israeli Universal Spacecraft Bus Characteristics and Design Trade-Offs

Israeli Universal Spacecraft Bus Characteristics and Design Trade-Offs. June 2010. The IMPS* Bus. *IMPS = IAI Multi Purpose Satellite. Used by TECSAR & Ven ? s satellites. Onboard processor: Intel 486 / LEON-3 Power Supply: 800W Bus Power Consumption: 250W Battery Capacity: 30/45 Ah

271 views • 16 slides

John Nousek & David Burrows (Penn State University)

247 views • 16 slides

On Random and Systematic Errors of a Star Tracker

Maxim Tuchin , Anton Biryukov , Mikhail Prokhorov, Andrey Zakharov Space Project Laboratory, Sternberg Astronomical Institute, Lomonosov Moscow State University. On Random and Systematic Errors of a Star Tracker. Comparing real and estimated random errors.

309 views • 13 slides

LADEE Flight Software: Models to Flight

LADEE Flight Software: Models to Flight. Nathan Benz Peter Berg Howard Cannon Pat Castle Scott Christa Eleanor Crane Doug Forman Greg Limes Mike Logan Masoud Mansouri-Samani Craig Pires Fritz Renema Larry Shackelford (GSFC) Danilo Viazzo. Karen Gundy-Burlet, Ph.D.

306 views • 13 slides

Alex Ordway 60 hours worked

Alex Ordway 60 hours worked. Attitude Control Subsystem Component Selection and Analysis. Design Drivers. Meeting mission pointing requirements Meet power requirements Meet mass requirements Cost Miscellaneous Factors. Trade Study. Sliding Mass vs. Tip Thruster Configuration

233 views • 13 slides

STEREO Spring 08 SWG

STEREO Spring 08 SWG. Andrew Driesman. Topics. Future Data Rates Spacecraft Anomaly Status (Star Tracker and IMU). Data Capture in the Extended Mission. Spacecraft B Star Tracker Anomaly Description. 10:10Z (DOY355:2007), Star Tracker resets.

115 views • 11 slides

EFCS I/O

EFCS I/O. ISA1 Input Data. EFCS Control Subsystem. DMS. ISA2 Input Data. ISA3 Input Data. ST1 Input Data. ST2 Input Data. Command Data. Telemetry Data. PPM Commands. ST Commands. Inertial Sensor Assembly (ISA) Inputs. Calculated automatically in simulation

175 views • 8 slides

Fig. 7 illustrates the imaging of a client satellite with a sensor

Fig. 1 above portrays an overall closed-loop architecture of autonomous relative navigation of a client satellite with an integrated sensor System composed of the SIGI (space Integrated GPS/INS), a star tracker for gyro updates, an imaging sensor to determine azimuth-elevation

173 views • 4 slides

Stellar Aberration Correction

Stellar Aberration Correction . Apparent shift in the position of celestial sources due to the velocity of the observer Magnitude of the offset is ~sin( ? )(v/c), where ? is the angle to the velocity vector.

374 views • 2 slides