I How to find RAAN and argument of perigee for a satellite?

AI Thread Summary
To find the RAAN (Right Ascension of Ascending Node) and the argument of perigee for a satellite, start by considering the reference direction, which is the First Point of Aries, and measure the angle to the ascending node in an eastward direction. For the argument of perigee, calculate the angle from the ascending node to the perigee. The provided values, including period, inclination, apogee, and perigee, are essential for these calculations. Understanding these angles is crucial for accurate orbital mechanics. Properly applying these concepts will help in determining the desired orbital parameters.
yzma
Messages
1
Reaction score
0
I have some values and by using them I need to find the RAAN and argument of perigee of a satellite. I have the period, inclination, apogee and perigee (as values not vectors), found semi-major axis and the eccentricity, but facing difficulty on how to proceed on calculating RAAN and the argument of perigee!
any help will be greatly appreciated
 
Astronomy news on Phys.org
For the RAAN, you'll need to take the reference direction into account (First Point of Aries), and measure the angle from that to the ascending node in an eastward direction.

https://en.wikipedia.org/wiki/Longitude_of_the_ascending_node

For the argument of perigee, measure the angle from the ascending node to the perigee.

https://en.wikipedia.org/wiki/Argument_of_periapsis

1280px-Orbit1.svg.png
 

Thread 'Does it make sense to build new radio telescopes?'

TL;DR Summary: In 3 years, the Square Kilometre Array (SKA) telescope (or rather, a system of telescopes) should be put into operation. In case of failure to detect alien signals, it will further expand the radius of the so-called silence (or rather, radio silence) of the Universe. Is there any sense in this or is blissful ignorance better? In 3 years, the Square Kilometre Array (SKA) telescope (or rather, a system of telescopes) should be put into operation. In case of failure to detect...
View full post »
Thread 'Could gamma-ray bursts have an intragalactic origin?'

Thread 'Could gamma-ray bursts have an intragalactic origin?'

This is indirectly evidenced by a map of the distribution of gamma-ray bursts in the night sky, made in the form of an elongated globe. And also the weakening of gamma radiation by the disk and the center of the Milky Way, which leads to anisotropy in the possibilities of observing gamma-ray bursts. My line of reasoning is as follows: 1. Gamma radiation should be absorbed to some extent by dust and other components of the interstellar medium. As a result, with an extragalactic origin, fewer...
View full post »

Thread 'Our Beautiful Universe - Photos and Videos'

This thread is dedicated to the beauty and awesomeness of our Universe. If you feel like it, please share video clips and photos (or nice animations) of space and objects in space in this thread. Your posts, clips and photos may by all means include scientific information; that does not make it less beautiful to me (n.b. the posts must of course comply with the PF guidelines, i.e. regarding science, only mainstream science is allowed, fringe/pseudoscience is not allowed). n.b. I start this...
View full post »

Similar threads

I Enforcing artificial frozen orbit
Replies
3
Views
2K
I Moon's eccentricity, apogee and perigee
Replies
13
Views
4K
Find the apogee from v at perigee, perigee, g, and the radius of Earth
Replies
3
Views
2K
Calculating Orbit Parameters Given Perigee Velocity and Period
Replies
3
Views
4K
I Taking Projectile Motion to make Planetary Trajectories
Replies
2
Views
2K
A N-Body inputs from Keplerian Orbits
Replies
6
Views
2K
A Are Retrograde Satellites the Key to Stable and Optimal Orbits?
Replies
5
Views
3K
Kepler's Second Law - reaching an unsolvable equation?
Replies
17
Views
3K
Orbit: impulse making orbit spherical
Replies
3
Views
2K
I What is the Maximal Parallel Velocity of a Satellite in an Elliptical Orbit?
Replies
1
Views
2K

Hot Threads

Recent Insights

Back
Top