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Questions tagged [iss]

Most questions about the International Space Station belong on Space Exploration Stack Exchange.

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2
votes
1answer
65 views

How to calculate phase angle of a satellite?

I'm making a program for predicting satellite passes. I'm trying to find out if the satellite is illuminated by the Sun and not in Earth's shadow. I need to know its phase angle: the angle between the ...
7
votes
3answers
2k views

Attach a visible light telescope to the outside of the ISS

Visible light imaging of the heavens is limited on Earth primarily due to the atmosphere. I know the ISS is moving at 17000mph, but given the delays to the James Webb telescope, is there any merit in ...
2
votes
2answers
79 views

Did I see the dragon capsule on Friday night?

I live just south of Sydney Australia, and I went outside to watch the ISS pass overhead on Friday night. The ISS was following a smaller object easily visible to the naked eye. Sydney time 20.43 or ...
2
votes
1answer
63 views

Extract anomalies from two-line element set (TLE) on ISS (International Space Station)

I am faced to a problem of interpretation illustrated on figure below : From wikipedia : Two-line element definition, I can extract the following meaning anomaly : 308.7017 ° (in degrees) But in ...
9
votes
2answers
413 views

Calculating the apparent magnitude of a satellite

I'm writing a program that involves calculating the apparent magnitude of satellites from a ground location. I currently have the intrinsic magnitude of the satellites and the solar phase angle in ...
3
votes
1answer
191 views

How to calculate the position to be to see ISS passing in front of the moon or the sun?

I would like to know how to calculate the time/date of the ISS passing in front of the moon (between the observer and the moon) or the sun, or to calculate the position in which the observer have to ...
2
votes
1answer
77 views

What is this antenna on the ISS? [closed]

And why is it moving? Doesn't make very much sense to me, a moving antenna. Or is it kind of radar that is checking for dangerous objects? These are screen shots from this YouTube video.
2
votes
1answer
333 views

How much time does the ISS take to repeat its orbit?

I used to go to my roof to see the ISS, but it is not always visible. Then it appears again but does it appear with the exact same orbit as I saw before? Thanks!