TABLE 4

PNT Performance Obtained with Our Proposed Framework in an ELFO with an Onboard Mini-RAFS

“Below Req.” denotes the time ratio at which the PCBE/VCDE ratio falls below the SISE requirements of the LunaNet SRD (13.43 m for SISE of position and 1.2 mm/s for SISE of velocity).

OrbitProcess NoisePosition and Clock Bias Error (PCBE) [m]Velocity and Clock Drift Error (VCDE) [mm/s]
68%95%99.7%Below Req.68%95%99.7%Below Req.
ELFOASNC5.8110.0614.099.5%1.603.175.3750.0%
ELFOFixed10.518.323.783.3%3.525.699.3212.9%