TO: OSIRIS-REx Operations Personnel SUBJECT: NAV DELIVERY OF NOMINAL OD127 TRAJECTORY FOR OSIRIS-REx ******************************************************************************************** THE SPICE BINARY FILE IS LOCATED ON THE FOB IN THE FOLLOWING DIRECTORY: ORXFOB/FDS/SPK orx_190401_190501_190417_od127-N-M15D-P-M17D_v1.bsp ******************************************************************************************** BRIEF -- Version 4.0.0, September 8, 2010 -- Toolkit Version N0066 Summary for: orx_190401_190501_190417_od127-N-M15D-P-M17D_v1.bsp Body: OSIRIS-REX (-64) Start of Interval (ET) End of Interval (ET) ----------------------------- ----------------------------- 2019 APR 01 00:00:00.000 2019 MAY 01 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-APR-2019 00:05:01 Data End: 17-APR-2019 17:41:14 Comments: This is a nominal trajectory delivery meant for generation of the onboard spacecraft ephemeris. The delivered trajectory file contains M15D, M16D, and M17D in the trajectory propagation. The maneuver design was based on the spacecraft orbit solution OD127 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/traj/NOD127 BRIEF -- Version 3.0.0, January 14, 2008 -- Toolkit Version N0064 Summary for: orx_190401_190501_190417_od127-N-M15D-P-M17D_v1.bsp Bodies Start of Interval (ET) End of Interval (ET) ------- ----------------------------- ----------------------------- -64 2019 APR 01 00:00:00.000 2019 MAY 01 17:01:09.185 2101955 2015 JAN 01 00:00:00.000 2023 JAN 07 00:00:00.000