This template is used as follows:
{{Planetbox separation
| position_angle = <!--position angle, in degrees -->
| separation_epoch = <!--Time separation and position angle observed -->
| separation_mas = <!--observed separation, in milliarcseconds (mas)-->
| separation = <!--observed separation, in astronomical units (AU)-->
| t_approach = <!--time of closest approach of source to lens system (Julian date, JD)-->
| alpha = <!-- angle between source trajectory and lens system axis (degrees) -->
}}
It is suggested that separation_angle, separation_epoch, separation_mas and possibly separation be used in the case of planets detected by imaging, and that t_approach, alpha, and possibly separation be used in the case of planets detected by microlensing.