sudo apt-get install celestia celestia-gnome celestia-common-nonfree

UBUNTU_MIRROR=https://www.mirrorservice.org/sites/archive.ubuntu.com/ubuntu/pool/universe/c/celestia

# common
sudo apt-get install liblua5.1-0
wget "${UBUNTU_MIRROR}"/celestia-common_1.6.1+dfsg-3_all.deb
sudo dpkg -i celestia-common_1.6.1+dfsg-3_all.deb

sudo apt-get install celestia-common-nonfree

# for celestia-glut
wget "${UBUNTU_MIRROR}"/celestia-glut_1.6.1+dfsg-3_amd64.deb
sudo apt-get install freeglut3
sudo dpkg -i celestia-glut_1.6.1+dfsg-3_amd64.deb

# for celestia-gnome
wget "${UBUNTU_MIRROR}"/celestia-gnome_1.6.1+dfsg-3_amd64.deb
sudo apt-get install libgtkglext1 libgnome2-0 libgnomeui-0
sudo dpkg -i celestia-gnome_1.6.1+dfsg-3_amd64.deb

sudo apt install qt4-dev-tools libqt4-dev

autoreconf -v -i # might need to run ? if configure fails
./configure --prefix=/usr --with-lua --with-qt --with-cspice-dir=/YourInstallLocation/NGT/cspice

make
sudo make install

celestia