As you may have heard, we had the first of the Trajectory Control Data Priority Panel meetings last Thursday, August 31. My original intent was to go through the four major exercises on the Spacecraft 101 mission involving the Guidance & Propulsion Systems at that meetint but time did not permit discussion of more than…
Category: C
“C” Mission Clean Up
We’ll try to clean up the rest of the “C” mission open items at a meeting on Friday, July 19, in Room 2032B of Building 30. Retrofire and Reentry will be discussed in the morning, starting at 9 a.m., and Rendezvous in the afternoon – or as soon as we finish the Retrofire session. Attached…
Data requirements during rendezvous sequence
The purpose of this memorandum is to establish a requirement for high bit rate (HBR) telemetry data during the mission “C” rendezvous sequence….
Rendezvous meeting reminder
This note is to remind you of our Rendezvous meetings on January 3, 1968. In the morning we hope to discuss Rendezvous on the “C” mission starting at 9:00 a.m. and in the afternoon Rendezvous on the “D” mission starting about 1:00pm….
Some assumptions about Spacecraft 101 retrofire and reenty procedures
We have recently held several small Trajectory Control Data Priority Working Group meetings dealing with Spacecraft 101 retrofire and reentry. The results are being documented to show how the various guidance and navigation data sources will be compared to one another and used during the mission. During these discussions a couple of basic assumptions have…
Mission Techniques Documentation Schedule
Some people have asked me for a schedule of when the various Mission Techniques books will be coming out. I can’t remember who they all were so I’m sending it to everyone. I’ll update it in a couple of months….
“C” Rendezvous Mission Techniques Review
Attached is a preliminary version of the “C” Rendezvous Mission Techniques document. It is based on numerous meetings of a MSC working group involving Flight Controller Directorate, Flight Crew Directorate, and Engineering and Development Directorate people and their contractors. Although there are still known flaws and more open items, we have reached a point where…
Reentry guidance is perfect for S/C 101 regardless of L/D
This memorandum is in response to your question regarding the reentry guidance with low L/D. It was erroneously reported to you in the August 3 MPAD Weekly Activity Report that, although the program could be modified easily to handle L/D as low as 0.2, it probably would not be implemented for Spacecraft 101. Actually, some…