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    UME
            Launch Details
            
                
        
                    | Launched | 28 February 1976 | 
| Flight ended | – | 
| Status | Non-operational | 
| Launch site | Tanegashima Space Center, Japan | 
| Owner | Japan | 
| NORAD ID | 8709 | 
| COSPAR ID | 1976-019A | 
| Alternative names | 
                                                            ISS                                 | 
                    
| Observing | 
Current orbital elements
| Inclination | 69.673° | 
| Eccentricity | 0.00122 | 
| RA ascending node | 16.606 hr | 
| Argument perigee | 217.298° | 
| Mean anomaly | 255.071° | 
| Orbital period | 104.978 min | 
| Epoch of osculation | 02 Nov 2025, 06:28 | 
Derived Quantities
| Min Altitude | 991.5 km | 
| Mean Altitude | 1000.5 km | 
| Peak Altitude | 1009.6 km | 
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.
Launched alongside
N-1 R/B