Lemur-2 30-33

USA

Spacecraft nº:

US spacecraft nº:

Launch data:

Designation	17019 (see table)
Launch date	18 Apr 2017 - 15:11 UT
Launch site	CC, SLC-41
Launch vehicle	Atlas V-401
Mission	Weather/AIS
Launch platform	Cygnus OA7, LEO

Lemur-2

Launched together with: Cygnus CRS-7 - ALTAIR 1 - SUSAT - UNSW-ECO - i-INSPIRE 2 - ZA-AeroSat - nSIGHT 1 - Ex-Alta 1 - LilacSat 1 - NJUST 1 - Aoxiang 1 - SOMP 2 - QBITO - Aalto 2 - X-CubeSat - SpaceCube - DUTHSat - UPSat - Hoopoe - LINK - SNUSAT 1 & 1b - qbee50-LTU-OC - BeEagleSat - HAVELSAT - Phoenix - PolylTAN-2-SAU - QBUS 1, 2 & 4 - IceCube - CSUNSat 1 - CXBN 2 - KySat 3 - SHARC - Biarri-Point - Lemur-2 30-33

Spacecraft data:

Prime manufacturer
Platform
Operator
Mass at launch	kg
Dry Mass	kg
Basic shape
Dimension (m)
Equipment
Solar array
Stabilization
Propulsion
DC power
Design lifetime

>

	Lemur-2 30 (JennyBarna)	Lemur-2 31 (Angela)	Lemur-2 32 (SpiroVision)	Lemur-2 33 (RobMoore)
Norad ID	42752	42753	42754	42755
Int. code	17019B	17019C	17019D	17019E
Deployment date	08 Jun 2017 - 17:53 UT		08 Jun 2017 - 21:03 UT
Earth orbit:
Perigee / Apogee	477 x 491 km		477 x 491 km
Inclination	51.6 deg
Period	min
Decay

Mission details:

Lemur-2 is the initial constellation of low-Earth orbiting satellites built by Spire.
The Lemur-2 satellites carry two payloads: STRATOS GPS radio occultation payload and the SENSE AIS payload.
The SENSE payload enables tracking ships worldwide by receiving their AIS signals. Spire satellites, which orbit close to Earth's atmosphere, listen for GPS satellite signals - which are impacted as they pass through Earth's atmosphere. Using a process called GPS radio occultation, Spire measures the change in GPS signal readings to calculate very precise profiles for temperature, pressure, and humidity here on Earth.

Ref.: #7(JR739) - update: 17.08.17