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FLOCK 1-18
Launch Details
| Launched | 19 November 1998 |
| Flight ended | 28 October 2014 |
| Status | Decayed |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | United States |
| NORAD ID | 39556 |
| COSPAR ID | 1998-067DZ |
| Observing |
Current orbital elements
| Inclination | 51.609° |
| Eccentricity | 0.00051 |
| RA ascending node | 8.115 hr |
| Argument perigee | 258.038° |
| Mean anomaly | 102.043° |
| Orbital period | 87.706 min |
| Epoch of osculation | 28 Oct 2014, 23:14 |
Derived Quantities