SAPPHIRE
SAPPHIRE (Stanford AudioPhonic PHotographic IR Experiment, also called Navy-OSCAR 45) was a satellite built by the Stanford University students in Palo Alto, California.[1]

Athena 1 rocket launching SAPPHIRE from Kodiak Island, AK.
| .jpg.webp) SAPPHIRE satellite | |
| Mission type | Communications | 
|---|---|
| Operator | USNA / University of Santa Clara | 
| COSPAR ID | 2001-043D[1] | 
| SATCAT no. | 26932 | 
| Mission duration | 2 years and 6 months | 
| Spacecraft properties | |
| Manufacturer | Stanford University | 
| Launch mass | 16 kg (35 lb) | 
| Start of mission | |
| Launch date | 30 September 2001, 02:40 UTC | 
| Rocket | Athena 1 LM-001 | 
| Launch site | Kodiak LP-1 | 
| Contractor | Lockheed Martin | 
| End of mission | |
| Disposal | Decommissioned | 
| Last contact | 2005 | 
| Orbital parameters | |
| Reference system | Geocentric | 
| Regime | Low Earth | 
| Eccentricity | 0.0[1] | 
| Altitude | 794 km (493 mi)[1] | 
| Inclination | 67°[1] | 
| Period | 101 minutes[1] | 
| Epoch | 30 Sep 2001[1] | 
The satellite was launched on September 30, 2001 together with Starshine 3, PICOSat and PCSat on an Athena 1 rocket at the Kodiak Launch Complex, Alaska, United States.
Its purpose was the training of students, the operation of an infrared sensor, a digital camera, a speech synthesizer and from 2002 the operation of an APRS digipeater.[2] He also served to train midshipmen of the US Naval Academy in the field of satellite control.
The satellite's mission ended in early 2005.
Frequencies
    
- Uplink: 145.945 MHz
- Downlink: 437.1 MHz
- Mode: 1200 bit/s AFSK
- Call sign: KE6QMD[3]
See also
    
    
External links
    
    
References
    
- NASA Goddard Space Flight Center. "SAPPHIRE". Retrieved February 15, 2020.
-  eo Portal Directory. "SAPPHIRE (Stanford AudioPhonic Photographic IR Experiment)". eoportal.org. Retrieved 15 Feb 2020. {{cite web}}:|author=has generic name (help)
- n2yo.com. "SAPPHIRE". Retrieved 15 Feb 2020.
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