Astronomy Abbreviations and Acronyms

1. ORAS
   Oil Region Astrohomical Society
2. ORB
   Orbital Sciences Corporation
3. ORB
   Observatoire Royal de Belgique (Royal Observatory of Belgium)
4. ORBCOMM
   Orbital Communication
5. ORBI
   Stocknticker Symbol for Osc
6. ORBI
   Stock Ticker Symbol for Osc
7. ORBISCAL
   Orbiting Radio Beacon Ionospheric Satellite Calibration
8. ORCHIS
   System
9. ORD
   Operations Requirements Document
10. ORESAT
    Oregon Satellite
11. ORFEUS
    Orbiting and Retrievable Far and Extreme Ultraviolet Spectrometer
12. ORFEUS-SPAS
    Orbiting & Retrievable Far & Extreme Uv Spectrometer - Shuttle Palette Satellite
13. ORG
    Origin
14. ORI
    Orbit Replaceable Instrument
15. ORIG
    Origin
16. ORIGAMISAT 1
    Organization of Research Group On Advanced Deployable Membrane Structures for Innovativf Space Science Satellite
17. ORR
    Orbit Readiness Review
18. ORROE
    Occasional Reports of The Royal Observatory Edinburgh
19. ORROE
    Occasional Reports of the Royal Observatory, Edinburgh
20. ORS TECH
    Operationally Responsive Space - Technology

Last updated: August 3, 2021 — Total entries: 5,937