TO: OSIRIS-REx Operations Personnel SUBJECT: NAV DELIVERY OF PRELIM MPF FOR OSIRIS-REx R2P1 ******************************************************************************************** THE MPF IS LOCATED ON THE FOB IN THE FOLLOWING DIRECTORY: ORXFOB/FDS/MPF orx_mpf_r2p1_prelim_od217_v1.xml THE SPICE BINARY FILE IS LOCATED ON THE FOB IN THE FOLLOWING DIRECTORY: ORXFOB/FDS/SPK orx_191101_200211_200127_od217-N-R2P1-P-R2P2_v1.bsp ******************************************************************************************** BRIEF -- Version 4.0.0, September 8, 2010 -- Toolkit Version N0066 Summary for: orx_191101_200211_200127_od217-N-R2P1-P-R2P2_v1.bsp Body: OSIRIS-REX (-64) Start of Interval (ET) End of Interval (ET) ----------------------------- ----------------------------- 2019 NOV 01 00:00:00.000 2020 FEB 11 17:01:09.185 Body: BENNU (2101955) Start of Interval (ET) End of Interval (ET) ----------------------------- ----------------------------- 2015 JAN 01 00:00:00.000 2023 JAN 07 00:00:00.000 Tracking data span used in this solution: Data Start: 01-NOV-2019 00:14:25 Data End: 27-JAN-2020 18:40:22 Burn Time: 04-FEB-2020 17:00:00.0000 UTC DeltaV: 0.07 cm/s Comments: The delivered MPF contains the prelim design of the R2P1 maneuver. The delivered trajectory file contains R2P1, R2T3, and R2P2 in the trajectory propagation. The maneuver design was based on the spacecraft orbit solution OD217 and planetary ephemeris file DE424. If you have any questions about this delivery, please don't hesitate to contact me via email and/or phone call. Internal Accounting: The delivered files can be found on zion at: /nav/orex/deliveries/mnvr/r2p1/prelim BRIEF -- Version 3.0.0, January 14, 2008 -- Toolkit Version N0064 Summary for: orx_191101_200211_200127_od217-N-R2P1-P-R2P2_v1.bsp Bodies Start of Interval (ET) End of Interval (ET) ------- ----------------------------- ----------------------------- -64 2019 NOV 01 00:00:00.000 2020 FEB 11 17:01:09.185 2101955 2015 JAN 01 00:00:00.000 2023 JAN 07 00:00:00.000