Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

Ebb

retired

Science ExplorationcislunarCOSPAR 2011-046ALaunched 9/10/2011

Mission & Launch

Launch Mission: GRAIL-A/GRAIL-B
Launch Vehicle: Delta 7920H
Launch Date: 9/10/2011
Last Contact: 12/17/2012

Orbit & Mass

Orbit Class: cislunar
Altitude: 613,919.5 km
Inclination: 29.56 deg
Dry Mass: 201 kg
Total Mass: 307 kg

Payload Classification

Mission Type: Science Exploration
Payload Category: PLAN
Payload Class: C

Organizations

Operator: NASA Jet Propulsion Laboratory
Manufacturer: Lockheed Martin

Registry

COSPAR ID: 2011-046A
UN Registration: ST/SG/SER.E/632