vonatkoztatási időpont
C1
Kihungari
epoch
NOMINO
C1
TECHNICAL
2
epoch
C2
Bado hakuna jozi za mifano.
Maana
astronomical reference date and time
Mada
astronomy
|reference_time
|coordinates
|orbit
|measurement
|science
|space
Ufafanuzi
In astronomy, a specific reference date and time for which the position or orbital elements of a celestial body are calculated.
Sarufi
Bado hakuna maelezo ya sarufi.
Semi
Bado hakuna semi zilizounganishwa na ingizo hili.