Satellite > Orbit Determination and Control > GNSS/GPS Receiver > NaviLEO
Summary
The SpacePNT NaviLEO is a high performance GNSS receiver platform delivering high positioning and timing accuracy autonomously and in real-time onboard LEO satellites. NaviLEO's high performance autonomous on-board proprietary real-time precise orbit determination (POD) algorithm provides sub-decimeter (3D rms) positioning and timing in real-time onboard LEO satellites.
Applications
- Remote sensing
- Earth observation
- In-orbit servicing
- Space debris removal
- Provision of secured localization services from LEO (for GNSS backup or provision of alternate PNT services) or from cislunar orbits (for Moon PNT services)
- Autonomous navigation and timing for Moon missions
Key features
- Implements radiation tolerant HW/SW/FW architecture including latch-up protections and ECC
- Supports both passive and active antennas
- In-flight FW/SW upgradability
- One unique platform solution for launchers, LEO, GEO, HEO, and Moon missions
- Onboard orbital propagator for improved performance and availability
- Supports multiple GNSS (GPS, GALILEO) over multiple frequencie
- Supports cold redundancy (with 2 units)
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Last updated: 2022-02-07
NaviLEO
Specs
mass
1300 g (excluding antenna)
width
234 mm
length
121 mm
height
66.3 mm
power consumption
< 8 W
voltage
5 V DC
update rate
1 Hz
operating temperature
-20 to 55 C
lifetime1
7.5 years in LEO (800 km altitude typ.)
1. Including a radiation margin of 2.
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