Comet Book
8.3 34
v2.7.3 by 株式会社 ビクセン
About Comet Book
Comet Book (Package Name: jp.co.vixen.cometbook) is developed by 株式会社 ビクセン and the latest version of Comet Book 2.7.3 was updated on January 13, 2025. Comet Book is in the category of Education. You can check all apps from the developer of Comet Book and find 121 alternative apps to Comet Book on Android. Currently this app is for free. This app can be downloaded on Android 8.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
The Comet Book app clearly shows when Comets can be viewed and in which direction. The direction and elevation of a Comet can change noticeably in a day due to its fast apparent motion. The moon and a bright planet may be convenient as a guide to find the comet though they have large apparent motion, too.
This app determines where Comet is in the sky when it becomes visible at your observing site. You can easily start your observation of a Comet by using Comet Book as a guide to the direction and elevation of the comet.
In addition, the new “3D Solar System seen from Space” mode allows you to view the motion of Comets and planets turning around the sun. Please take a look the comet’s movement around our solar system.
This app determines where Comet is in the sky when it becomes visible at your observing site. You can easily start your observation of a Comet by using Comet Book as a guide to the direction and elevation of the comet.
In addition, the new “3D Solar System seen from Space” mode allows you to view the motion of Comets and planets turning around the sun. Please take a look the comet’s movement around our solar system.
Comet Book 2.7.3 Update
A fix has been made to the problem where the perihelion display was off by one month when orbital elements were downloaded from MPC.
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Comet Book Features
Previous Versions More
Comet Book
2.7.3
XAPK
APKs
January 13, 2025
3.68 MB
Requires Android: Android 8.0+
Screen DPI: nodpi
SHA1: 3a0783c8fec5a93357c0920f42659b7a0945d40e
Size: 3.68 MB
What's New:
A fix has been made to the problem where the perihelion display was off by one month when orbital elements were downloaded from MPC.
Comet Book
2.7.2
XAPK
APKs
September 7, 2024
4.03 MB
Variant
Arch
Version
DPI
Comet Book
2.7.1
XAPK
APKs
August 12, 2024
3.67 MB
Requires Android: Android 8.0+
Screen DPI: nodpi
SHA1: 7e8afe333d2f9418e9c7a2428b0ebe44ed5cc22a
Size: 3.67 MB
What's New:
The COMET BOOK app now allows you to download comet orbital elements from the Minor Planet Center and select any comet to display.
We fixed an issue where the Comet Book app would crash when launched immediately after updating.
We fixed an issue where the Comet Book app would crash when launched immediately after updating.
Comet Book
2.6.1
APK
March 4, 2024
2.54 MB
Requires Android: Android 8.0+
Screen DPI: nodpi
SHA1: 3f8473ae8550e82fad6a189c87da741a10324e24
Size: 2.54 MB
What's New:
Now compatible with Android 14.
More Information
Package Name:
Update Date:
2025-01-13
Latest Version:
2.7.3
Need Update:
Available on:
Requirements:
Android 8.0+
Report:
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