Based on our record, Heavens Above should be more popular than Spacetime. It has been mentiond 4 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
The Heavens Above site will give predictions of satellite passes based on location and time, and will predict brightness as well. For example, here's a guess at the 501 location for last night (you might have to set the date yourself). Looks like the SL-16 R/B satellite or the Resurs 01 rocket stage are good candidates; they're about the right time and direction. If you knew time, location, and/or direction more... Source: 11 months ago
Heavens-Above (multiple platforms, lists satellites). Source: over 2 years ago
Also worth noting: https://heavens-above.com/main.aspx But this has a much nicer UI/UX! The street view rendering is particularly impressive. - Source: Hacker News / about 3 years ago
I have seen planes where they look like just flashes of lights until you get into a really dark place and can see the lights that are always on. I think they fly at higher altitudes for faster, more efficient travel. There are a couple of ways to check into this, though. Heavens-Above tracks satellites and flightradar24 has a playback function for times going back a week. Source: about 3 years ago
How about spacetime.am? A website or tool for time differences and to manage stuff and be able to check stuff. Previously, I tried to make it easier to manage our time zones thingy but then I thought maybe it isn't good. So I looked up and found it. Here's the screenshot link and you can search it up yourself and maybe someone, probably the creator of this maybe. Bye bye for now. Source: almost 3 years ago
Satscape - A satellite tracking program for Windows, Mac OS and Linux.
Timezone.io - Keep track where and when your team is.
See A Satellite Tonight - Free web app to explore satellite locations.
Every Time Zone - Online tool for keeping up with times around the world.
ISS Detector - Tracking the International Space Station. See it fly by.
TimeZoneNinja - Scheduling meetings around the world just got easy