Iris US

Interface Region Imaging Spectrograph

---

General

Designation	39197 / 13033A
Launch date	28 Jun 2013
Country of origin	United States
Mission	UV Astronomy
Perigee/Apogee	629/669 km
Inclination	97.9°
Period	97.6 min
Launch vehicle	Pegasus XL #43

Launch originaly planned in Dec 2012.

IRIS will make detailed measurements of the flow of energy and plasma through the Sun's atmosphere and heliosphere. The IRIS mission will open a window of discovery into a crucial gap in current solar observational capabilities.
Has a 20cm telescope.

Owned and operated by NASA's Goddard Space Flight Center, part of the Explorer program.

---

External resources

http://www.nasa.gov/iris

sat-index articles

n2yo.com tracking

Technical data

---

---

Specifications

Prime contractor	Lockheed Martin
Platform
Mass at launch	200 kg
Dry mass
Dimension
Solar array
Stabilization
DC power
Design lifetime

Downlink on 2220.8 MHz over downlink stations only.

---