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Mike Collins (CAPCOM)
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Frank, what we want to do is get a radial upward burn; and as long as you can, through the optics or some other means out the window, figure out where the earth is, then use the appropriate thrusters to thrust upward, radially upward for 3 feet per second. That is what we are looking for for trajectory reasons.
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Frank Borman (CDR)
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Okay. Understand. I just—as I say, I just can't very well do that now. I don't want to lose sight of this S-IVB.
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Mike Collins (CAPCOM)
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Roger. We concur with that. I just thought perhaps Jim, through his optics, or you could get some feel for where the earth is. That's what we want to do, is radially upward.
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Mike Collins (CAPCOM)
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Roger. Frank, do you think you are going to be able to do this burn radially? We would like to add to its magnitude if you are going to make it in some other direction. Over.
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Frank Borman (CDR)
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No, I am not even sure we are going to do it yet, Mike. If I can get—we seem to be drifting away from this thing a little bit, although it is still pointing at us quite closer than I'd like.
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Mike Collins (CAPCOM)
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Apollo 8, Houston. We would like you to do some additional maneuver; it is just a question of how much and in which direction.
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Frank Borman (CDR)
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Okay. Right now, our gimbal angles are about—roll's about 190 and pitch is about 320 and yaw is about 340. We could certainly do it in this position. That would be alright.
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Mike Collins (CAPCOM)
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Roger, Frank. You could help us out if you would explain where you are relative to the booster. In other words, with respect to the earth and the radius back there, are you above or below or one side, or where exactly is the booster relative to you?
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Frank Borman (CDR)
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Well, it's as I said before. We can't definitely find the earth. I think we are in front and a little bit above—a little bit above the—almost in front of the—directly in the front of the booster.
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Mike Collins (CAPCOM)
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Roger. Understand; almost directly in front of the booster.
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Frank Borman (CDR)
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Perhaps a little bit horizontally displaced towards the—let's see—Houston, to help you, we are looking right directly above the S-IVB with the sun—it's on the right side of the S-IVB and on our—coming in our left number 1 window.
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Mike Collins (CAPCOM)
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Okay. Understand; the sun is on the right side of the S-IVB and coming in your number 1 window. And are you—when you give us those angles, that means that your plus X-axis is pointed at it with those angles. Is that affirm?
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Jim Lovell (CMP)
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Houston, for information. I am looking through the scanning telescope now, and I see millions of stars; most of them—the venting from the S-IVB.
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Mike Collins (CAPCOM)
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Right. Are you having any trouble telling which are the stars and which are the S-IVB particles?
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Jim Lovell (CMP)
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Definitely; we are in sunlight, and it looks like they are all S-IVB, but we don't know. I am going to attempt a P52 realign at this time and see what I can do.
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Mike Collins (CAPCOM)
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We are working on it, Frank. We are trying to compute what radially outward will be in close terms. Now, you still have the earth—as I understand plus Y and plus Z quadrant. In other words, it's down below you on your right and slightly to your rear? Is that still true?
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Mike Collins (CAPCOM)
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Okay. Well, we—of course, in that attitude, you want to burn some upward and some to the left, and we are trying to be more precise than that. Frank, is it still about the same distance away? Are you opening or closing?
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Frank Borman (CDR)
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Mike, can you just tell us which way the S-IVB pitches and how far it will pitch to the sling shot maneuver attitude?
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Bill Anders (LMP)
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Alright. Star ID is 03, and star 36, star angle difference 0.01, torquing angle X minus 00034, Y minus 0027, Z plus 00100. Over.
Spoken on Dec. 21, 1968, 5:08 p.m. UTC (56 years ago). Link to this transcript range is: Tweet
