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Information about MPC station 305 (Purple Mountain, Hainan Island station).

Core informations from the MPC code files:

Code 305
Longitude 109.5514 (109:33:05 East)
cos(Latitude) 0.82066
sin(Latitude) +0.56963
Geocentric Latitude 34.76498 (34:45:53)
Geographic Latitude 34.94546 (34:56:43)
Altitude 480 m (Note: The uncertainty maybe several meters at moment due to wrong values by the observer).
Radius 6371,223 km
Station Name Purple Mountain, Hainan Island station
First observation 1986-04-08
Last observation 1986-04-29 (based on MPCAT)
Interval betwen first and last observation 22
Number of observations 27
Number of different observed objects 1
Number of used nights 13
MPEC watch https://sbnmpc.astro.umd.edu/mpecwatch/byStation/station_305.html
Small Body Explorer https://sbx.dirac.dev/station/305
NEODyS-2 https://newton.spacedys.com/neodys/index.php?pc=2.1.2&o=305&ab=0
Google Search https://google.com/search?q=305+"Purple Mountain - Hainan Island station"
Location Geohack OpenStreet Map Satellite chart

This research has made use of data and/or services provided by the International Astronomical Union's Minor Planet Center.

Made with obs-stat at 06-04-2026 07:58:54. (C) Jost Jahn, Amrum, Germany, codes@jostjahn.de.