Orbiting Carbon Observatory 2
| Artist depiction of OCO-2 | |
| Mission type | Climatology | 
|---|---|
| Operator | NASA | 
| COSPAR ID | 2014-035A | 
| SATCAT no. | 40059 | 
| Website | JPL OCO-2 Mission | 
| Mission duration | 2 years (nominal) Elapsed: 10 years, 11 months, 15 days | 
| Spacecraft properties | |
| Bus | LEOStar-2 | 
| Manufacturer | Orbital Sciences | 
| Launch mass | 454 kg (1,001 lb) | 
| Dry mass | 409 kg (902 lb) | 
| Payload mass | 131 kg (289 lb) | 
| Dimensions | Stowed: 2.12 × 0.94 m (6.96 × 3.08 ft) | 
| Power | 815 W | 
| Start of mission | |
| Launch date | 2 July 2014, 09:56:23 UTC | 
| Rocket | Delta II 7320-10C | 
| Launch site | Vandenberg, SLC-2W | 
| Contractor | United Launch Alliance | 
| Orbital parameters | |
| Reference system | Geocentric | 
| Regime | Sun-synchronous | 
| Perigee altitude | 701.10 km (435.64 mi) | 
| Apogee altitude | 703.81 km (437.33 mi) | 
| Inclination | 98.2° | 
| Period | 98.82 minutes | 
| Mean motion | 14.57 rev / day | 
| Velocity | 7.5 km/s (4.7 mi/s) | 
| Epoch | 19 September 2016, 10:55:06 UTC | 
| Revolution no. | 11,796 | 
| Main telescope | |
| Type | Near-IR Cassegrain | 
| Focal ratio | ƒ/1.8 | 
| Wavelengths | 2.06 microns 1.61 microns 0.765 microns | 
| Instruments | |
| 3 grating spectrometers | |
Orbiting Carbon Observatory-2 (OCO-2) is an American environmental science satellite which launched on 2 July 2014. A NASA mission, it is a replacement for the Orbiting Carbon Observatory which was lost in a launch failure in 2009. It is the second successful high-precision (better than 0.3%) CO2 observing satellite, after GOSAT.