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Information about MPC station 389 (Tokyo (before 1938)).

Core informations from the MPC code files:

Code 389
Longitude 139.7447 (139:44:40 East)
cos(Latitude) 0.81347
sin(Latitude) +0.57965
Geocentric Latitude 35.47233 (35:28:20)
Geographic Latitude 35.65441 (35:39:15)
Altitude -18 m (Note: The uncertainty maybe several meters at moment due to wrong values by the observer).
Radius 6370,976 km
Station Name Tokyo (before 1938)
First observation 1900-03-06
Last observation 1930-11-22 (based on MPCAT)
Interval betwen first and last observation 11219
Number of observations 241
Number of different observed objects 80
Number of used nights 127
MPEC watch https://sbnmpc.astro.umd.edu/mpecwatch/byStation/station_389.html
Small Body Explorer https://sbx.dirac.dev/station/389
NEODyS-2 https://newton.spacedys.com/neodys/index.php?pc=2.1.2&o=389&ab=0
Google Search https://google.com/search?q=389+"Tokyo (before 1938)"
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.