Most calculations are based on NASA ephemeris data for the years 1900–2050. People whose date of birth falls outside this range cannot be added.
Data for Lilith is available only from 1930 to 2030, and for Chiron from 1920 onward. For people outside these ranges but still within the available NASA data, the birth chart is created without the respective object.
Houses are calculated using the Placidus system.
The AI used is ChatGPT. Users can choose from several GPT models. At present these are mainly the GPT-5.6 models Luna, Terra and Sol, together with one or two other models. I can make additional models available on request.
Tokens are a concept that is difficult to grasp
