UCS-Satellite-Database
| Id | Name of Satellite, Alternate Names | Current Official Name of Satellite | Country/Org of UN Registry | Country of Operator/Owner | Operator/Owner | Users | Purpose | Detailed Purpose | Class of Orbit | Type of Orbit | Longitude of GEO (degrees) | Perigee (km) | Apogee (km) | Eccentricity | Inclination (degrees) | Period (minutes) | Launch Mass (kg.) | Dry Mass (kg.) | Power (watts) | Date of Launch | Expected Lifetime (yrs.) | Contractor | Country of Contractor | Launch Site | Launch Vehicle | COSPAR Number | NORAD Number | Comments | Source Used for Orbital Data | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2273 | OTB-1 (Orbital Test Bed 1) | OTB-1 | USA | USA | General Atomics - Electromagnetic Systems Group | Commercial | Technology Development | LEO | Sun-Synchronous | 0 | 706 | 723 | 1.20E-03 | 24 | 99 | 138 | 2019/6/25 | 25 | Surrey Satellite Technology Ltd. | UK | Cape Canaveral | Falcon Heavy | 2019-036C | 44341 | One of the payloads is NASA's DSAC (Deep Space Atomic Clock), a technology demonstration mission to validate a miniaturized, ultra-precise mercury-ion atomic clock that is 100 times more stable than today’s best navigation clocks. | JMSatcat/11_19 | https://directory.eoportal.org/web/eoportal/satellite-missions/content/-/article/npsat-1 |
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