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Information about MPC station 990 (Madrid).

Core informations from the MPC code files:

Code 990
Longitude 356.3121 (356:18:43 East)
cos(Latitude) 0.76260
sin(Latitude) +0.64487
Geocentric Latitude 40.21853 (40:13:06)
Geographic Latitude 40.40839 (40:24:30)
Altitude 699 m (Note: The uncertainty maybe several meters at moment due to wrong values by the observer).
Radius 6369,265 km
Station Name Madrid
First observation 1866-07-30
Last observation 1974-12-16 (based on MPCAT)
Interval betwen first and last observation 39586
Number of observations 4433
Number of different observed objects 609
Number of used nights 1363
MPEC watch https://sbnmpc.astro.umd.edu/mpecwatch/byStation/station_990.html
Small Body Explorer https://sbx.dirac.dev/station/990
NEODyS-2 https://newton.spacedys.com/neodys/index.php?pc=2.1.2&o=990&ab=0
Google Search https://google.com/search?q=990+"Madrid"
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 07:58:55. (C) Jost Jahn, Amrum, Germany, codes@jostjahn.de.