Talk:2024 PT5
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larger than 2020 CD3
[edit]how i remember 2020 CD3 smaller than 2024 PT5
91.192.181.48 (talk) 06:39, 15 September 2024 (UTC)
Animation labeling
[edit]Animations of 2024 PT5
Around the Earth
Around the Earth – Close approach
The animations are a bit confusing right now. According to the labels, it's showing the Sun orbiting the Earth? I'm assuming the labels are wrong or it's from some weird frame of reference? Also, the one on the left seems to show PT5 landing on the Earth for a few months before taking back off and leaving. It could bear explaining what's really happening there. - Qwerty0 (talk) 20:15, 24 September 2024 (UTC)
- @Phoenix7777 @Qwerty0, this also stunned me. I'm in no way an expert but the left animation seems to be a little faulty. Kiwiz1338 (talk) 13:16, 30 September 2024 (UTC)
- I have also tried to wrap my head around these animations. I think, on the left, every object is shown from the perspective of a fixed earth, so everything rotates around it. And the asteroid doesn't actually land on the earth but at the scale of 1AU, it is so close to the earth that it appears at the same place. The objects are also not to scale, otherwise the earth would be at most 1 pixel, and the asteroid would be invisible. What's the little confusing is that on the left, every object rotates in the same direction, but on the right the moon and the asteroid orbit in opposite direction. But that's an artifact of adding or not adding the rotation of the earth. So, the animation on the left may actually be correct from the perspective of a fixed earth, but that's a weird perspective. Dhrm77 (talk) 11:50, 4 October 2024 (UTC)
- Agreed, Phoenix has started a disscisson on their talk page. See User_talk:Phoenix7777#Earth's_rotation_in_orbit_animations. Kiwiz1338 (talk) 12:03, 4 October 2024 (UTC)
- See User_talk:Phoenix7777#Spitzer Space Telescope animation for past discussion.―― Phoenix7777 (talk) 22:00, 4 October 2024 (UTC)
- Agreed, Phoenix has started a disscisson on their talk page. See User_talk:Phoenix7777#Earth's_rotation_in_orbit_animations. Kiwiz1338 (talk) 12:03, 4 October 2024 (UTC)
- I have also tried to wrap my head around these animations. I think, on the left, every object is shown from the perspective of a fixed earth, so everything rotates around it. And the asteroid doesn't actually land on the earth but at the scale of 1AU, it is so close to the earth that it appears at the same place. The objects are also not to scale, otherwise the earth would be at most 1 pixel, and the asteroid would be invisible. What's the little confusing is that on the left, every object rotates in the same direction, but on the right the moon and the asteroid orbit in opposite direction. But that's an artifact of adding or not adding the rotation of the earth. So, the animation on the left may actually be correct from the perspective of a fixed earth, but that's a weird perspective. Dhrm77 (talk) 11:50, 4 October 2024 (UTC)
Why are there conflicting sizes
[edit]So just curious if anyone can confirm the size of this asteroid I have seen it being shown as 2km which is a lot bigger than 36meters. 47.151.189.252 (talk) 05:58, 19 October 2024 (UTC)