Questions tagged [halo-orbit]
Questions regarding co-orbital orbits in a three body system.
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How well is JWST doing on maintaining its Halo orbit?
I looked around a little bit online but did not find anything discussing how well JWST is doing with managing its orbit. I was wondering if there were any surprises or issues.
It's been out there ...
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Why is the Sun influence a mere perturbation to the Moon NRHO (the orbit the Gateway should be put in the context of project Artemis)?
An article of the relevant literature Heliocentric Escape and Lunar Impact from Near Rectilinear Halo Orbits asserts: "As the spacecraft departs the immediate vicinity of the NRHO, the effects of ...
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Visualizing halo orbits
I'd like to visualize JWST's orbit (or any halo orbit that resembles it) preferably in Python. Does anyone have any code or resource I could read? Thanks in advance!
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Would it be practical to position a telescope like JWST at Sun-Earth L4 or L5?
During a discussion of Lagrange points I was asked why we didn't put JWST at SE L4 or L5 since they are less unstable than L2. I thought a bit and came to think that the Earth gravity driven Halo ...
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What are "transcritical, pitchfork, period-doubling, torus, and subharmonic bifurcations" in the context of three-body orbits? (e.g. butterflies)
MattB's excellent and well-sourced answer to Where do the butterflies land on this bifurcation plot? (Earth-Moon three-body butterfly orbits) begins:
I'm fairly certain that the butterfly family is ...
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How frequent are (or will be) JWST station keeping burns at L2?
Does anyone have solid information regarding the scheduled/anticipated station keeping burns for JWST at L2? In an online video I've heard mention of 'every 21 days' which at first look seems ...
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Where do the butterflies land on this bifurcation plot? (Earth-Moon three-body butterfly orbits)
Below is a $\mu = 0.01215$ bifurcation plot from E. J. Doedel, E.J. et al's Elemental periodic orbits associated with the libration points in the circular restricted 3-body problem International ...
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Code to generate Sun-Earth L2 halo orbits for given epoch?
I am working on a GMAT script out of personal interest (not part of a job) that involves a spacecraft orbiting the Sun-Earth L2 point. I have found some orbital state vectors for the spacecraft that ...
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Where is Artemis on this Earth-Moon three-body bifurcation plot? Where's the near-rectilinear halo orbit for example?
Below is a $\mu = 0.01215$ bifurcation plot from E. J. Doedel, E.J. et al's Elemental periodic orbits associated with the libration points in the circular restricted 3-body problem International ...
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Planet Orbit "swept Area" Vs halo orbit "swept area"
After plotting the JWST halo orbit to a flat plane, and finding that the halo appears to closely approximate an ellipse (yes, the halo has some 'potato chip' warping) I began to wonder. A planetary ...
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Is the JWST halo orbit period sync'd with earth's elliptical orbit about sun?
I was looking at the JWST halo and wondering if getting the halo orbit phased with earths elliptical orbit would be a way of keeping gravitational variations regular and periodic so that station ...
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Does anyone here have a recognized definition of North, South, Class1, Class2 Halo orbits?
Question: What makes a halo orbit North or South, Class 1 or 2
In going thru various sites and papers I've come across lots of discussion of halo orbits being Northern, Southern, Class 1, Class 2. but ...
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Is this JWST Halo orbit plot fouled up somehow?
After looking at this plot and many others I've come to the conclusion that this plot does not represent current JWST halo orbit. If the plot is supposed to be of JWST halo... it disagrees with many ...
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Are L1 and L2 orbital periods always half the orbital period of the massive bodies?
Are L1 and L2 libration point orbital periods always half the orbital period of the massive bodies?
The halo orbital period of JWST is a half a year. https://webb.nasa.gov/content/about/orbit.html
The ...
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With independent control of attitude and thrust direction, could JWST be kept pointing in a “safe” direction during "towing"?
Context: JWST is considered un-repairable in its current L2 location for a number of reasons:
Diagnosis is difficult since JWSR has no “selfie” capability. This makes planning for any repair mission (...
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