The programs listed below are demos of what kind of custom software can be developed around the PHP function code generated by the Horizons Batch to PHP Code Conversion Tool using batch-file data provided by the NASA/JPL Horizons web app.
PHP Program by Jay Tanner of Geneva, NY, USA - 2026
- 20,000-Year-Lunar-Phase-Calculator
- 3-Month-Delta-T-Table-Calculator
- Daily-Geocentric-Moon-Phase-Angle-and-Distance-Table
- Earth-Perihelion-Calculator
- Horizons-Custom-Ephemeris-Tool-EXPERIMENTAL
- Lunar-Perigees-and-Apogees-Calculator
- PERIGEE-AND-APOGEE-CALCULATORS
- RISE-TRANSIT-SET-TIMES-CALCULATORS
- Voyager-1-Constellations-Passage-Table
- Voyager-2-Constellations-Passage-Table
- Voyagers-1-and-2-Current-Status
- Voyagers-1-and-2-Hourly-Ephemerides
- Voyagers-1-and-2-Monthly-Ephemerides
- Voyagers-1-and-2-Projections
- Voyagers-1-and-2-Yearly-Ephemerides
- Yearly-Perigees-Apogees-Finder