USA-268, also known as NROL-37,[2] is an American signals intelligence satellite. Though officially classified, it is presumed to be an Advanced Orion satellite, making it one of the largest and most expensive satellites ever built.[3]
 Launch of USA-268 | |
| Mission type | Signals intelligence |
|---|---|
| Operator | National Reconnaissance Office |
| COSPAR ID | 2016-036A |
| SATCAT no. | 41584 |
| Spacecraft properties | |
| Spacecraft type | Advanced Orion |
| Start of mission | |
| Launch date | June 11, 2016, 17:51 UTC |
| Rocket | Delta IV Heavy |
| Launch site | Cape Canaveral SLC-37B |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Semi-major axis | 42,165 kilometers (26,200 mi)[1] |
| Perigee altitude | 35,587 kilometers (22,113 mi)[1] |
| Apogee altitude | 36,002 kilometers (22,371 mi)[1] |
| Inclination | 6.3 degrees[1] |
| Period | 1436.1 minutes[1] |
Launch
editUSA-268 was launched at 17:51 UTC on June 11, 2016[4] from Space Launch Complex 37B, on its second attempt.[2] It was the ninth flight of a Delta IV Heavy,[2] and the fifth carrying an Advanced Orion.[5]
See also
edit
References
edit- ^ a b c d e "USA 268". N2YO.com. Archived from the original on March 31, 2023. Retrieved August 30, 2023.
- ^ a b c Dean, James (June 12, 2016). "No secret: Delta IV lofts spy satellite". Florida Today. Archived from the original on August 30, 2023. Retrieved August 30, 2023 – via Newspapers.com.
- ^ Blau, Patrick (2016). "Identifying the classified NROL-37 Satellite". Spaceflight101. Archived from the original on August 13, 2023. Retrieved September 29, 2020.
- ^ Speck, Emilee (June 12, 2016). "Delta IV rocket launches from Cape carrying U.S. spy satellite". Orlando Sentinel. Archived from the original on August 30, 2023. Retrieved August 30, 2023 – via Newspapers.com.
- ^ "United Launch Alliance Successfully Launches NROL-37 Payload for the National Reconnaissance Office" (Press release). United Launch Alliance. June 11, 2016. Archived from the original on August 30, 2023. Retrieved September 29, 2020 – via PR Newswire.
 | This article about one or more spacecraft of the United States is a stub. You can help Wikipedia by expanding it. |