Problem: Orbital Period - eclipse time - Illumination time ?

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SUMMARY

The discussion centers on the feasibility study of three orbital options for a CubeSat with a mass of 1.33 kg and a volume of 10 cm³. The orbits under consideration are a 600 km circular orbit with a 40-degree inclination, a 650 km Sun Synchronous orbit, and a 700 km apogee and 200 km perigee elliptical orbit with a 30-degree elevation. Key parameters to analyze include orbital period, maximum eclipse time, radiation effects, orbit decay due to atmospheric drag, and illumination time. Participants emphasize the importance of using standard texts for orbital calculations and suggest listing relevant equations to aid in the analysis.

PREREQUISITES
  • Understanding of orbital mechanics and satellite dynamics
  • Familiarity with Kepler's laws of planetary motion
  • Knowledge of atmospheric drag effects on satellite orbits
  • Ability to perform calculations related to eclipse periods and illumination times
NEXT STEPS
  • Study Kepler's equations for calculating orbital periods
  • Research methods to determine maximum eclipse time for satellites
  • Examine the impact of atmospheric drag on satellite orbit decay
  • Learn about Sun Synchronous orbits and their operational advantages
USEFUL FOR

Students in aerospace engineering, satellite mission planners, and professionals involved in CubeSat design and orbital analysis will benefit from this discussion.

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Problem: Orbital Period - eclipse time - Illumination time ??

Homework Statement



An educational institute has decided to launch a small satellite having mass and volume of CubeSat specifications i.e. mass of 1.33kg and volume of 10 cm cube. Due to some launch constraints, there are three options for the target orbit of operation.

i. 600 Km circular orbit with 40 degree inclination
ii. 650 km Sun Synchronous orbit
iii. 700km apogee and 200km perigee elliptical orbit with 30 degree elevation

You are required to do the feasibility study of the above orbits to find, compare and comment on the
following parameters (You have to submit a formal report)

i. Orbital Period
ii. Maximum eclipse time
iii. Radiation effects
iv. Orbit decay due to atmospheric drag
v. Illumination time


Homework Equations



Hints
i. Use some standard text for the orbital calculation
ii. Same for the eclipse period

The Attempt at a Solution



Not even managed to use the kaplers eq. to find the orbital period.
 
Last edited:
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Sounds to me like you have some reading to do. Perhaps you should try list up the equations you do think are relevant and show what you have tried so far.
 

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