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FLOCK 1B-18
Launch Details
| Launched | 19 November 1998 |
| Flight ended | 15 January 2015 |
| Status | Decayed |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | United States |
| NORAD ID | 40139 |
| COSPAR ID | 1998-067FE |
| Observing |
Current orbital elements
| Inclination | 51.616° |
| Eccentricity | 0.00063 |
| RA ascending node | 7.384 hr |
| Argument perigee | 320.892° |
| Mean anomaly | 39.359° |
| Orbital period | 88.201 min |
| Epoch of osculation | 15 Jan 2015, 17:07 |
Derived Quantities