If you like planetarium programs, you will like Aciqra, a free (open source) program that works as a virtual viewer (i.e. an observatory) from which to study the solar system in real time. Thanks to Aciqra you can see how the planets, stars, galaxies, constellations, etc. are located.
You can also know spatial data such as phases or angular diameter, locate solar events or study the orbit of the planets of the solar system. Aciqra is, in short, a good observatory of the planets, and it is also portable. It is worth a try.
You can free download Aciqra and safe install the latest trial or new full version for Windows 10 (x32, 64 bit, 86) from the official site.
Devices: Desktop PC, Laptop (ASUS, HP, DELL, Acer, Lenovo, MSI), Ultrabook
OS: Professional, Enterprise, Education, Home Edition, versions: 1507, 1511, 1607, 1703, 1709, 1803, 1809