Rising, Transit and Setting Times
Computations via The NASA/JPL Horizons API
by Jay Tanner - 2026
All of these programs come with complete public domain PHP source code.
Currently, there are 9 programs in the directory.

Programs indexed #8 and #9 perform computations for multiple bodies and could take several seconds to finish and may seem to be non-responsive.  Please be patient while the programs execute.
  1. Asteroids-Ceres-Vesta-Hebe-RTS
    36,219 bytes
  2. Hubble-Spitzer-James_Web-ISS-RTS
    37,715 bytes
  3. Jupiter-Saturn-RTS
    37,181 bytes
  4. Sun-Mercury-Venus-Mars-RTS
    36,551 bytes
  5. Sun-Moon-RTS-NEW
    36,194 bytes
  6. Sun-Moon-RTS
    36,194 bytes
  7. Uranus-Neptune-Pluto-RTS
    37,320 bytes
  8. ^16-Major-Asteroids-RTS
    36,702 bytes
  9. ^Sun-Moon-All-Planets-Pluto-RTS
    37,525 bytes