TO: OSIRIS-REx Operations Personnel SUBJECT: NAV DELIVERY OF NOMINAL OD180 TRAJECTORY FOR OSIRIS-REx ******************************************************************************************** THE SPICE BINARY FILE IS LOCATED ON THE FOB IN THE FOLLOWING DIRECTORY: ORXFOB/FDS/SPK orx_190809_191001_190916_od180-N-M30D-P-M32D_v1.bsp THE OPTG FILE IN ASCII FORMAT IS LOCATED ON THE FOB IN THE DIRECTORY: ORXFOB/FDS/OPTG orx_optg_190809_191001_190916_od180_v1.txt ******************************************************************************************** BRIEF -- Version 4.0.0, September 8, 2010 -- Toolkit Version N0066 Summary for: orx_190809_191001_190916_od180-N-M30D-P-M32D_v1.bsp Body: OSIRIS-REX (-64) Start of Interval (ET) End of Interval (ET) ----------------------------- ----------------------------- 2019 AUG 09 01:00:00.000 2019 OCT 01 17:00:00.000 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: 09-AUG-2019 01:11:43 Data End: 16-SEP-2019 17:36:27 Comments: This is a nominal trajectory delivery meant for generation of the onboard spacecraft ephemeris. The delivered trajectory file contains M30D, M31D, and M32D in the trajectory propagation. The maneuver design was based on the spacecraft orbit solution OD180 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/NOD180 BRIEF -- Version 3.0.0, January 14, 2008 -- Toolkit Version N0064 Summary for: orx_190809_191001_190916_od180-N-M30D-P-M32D_v1.bsp Bodies Start of Interval (ET) End of Interval (ET) ------- ----------------------------- ----------------------------- -64 2019 AUG 09 01:00:00.000 2019 OCT 01 17:00:00.000 2101955 2015 JAN 01 00:00:00.000 2023 JAN 07 00:00:00.000