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Information about MPC station 646 (Santana Observatory, Rancho Cucamonga).

Core informations from the MPC code files:

Code 646
Longitude 242.4369 (242:26:12 East)
cos(Latitude) 0.82999
sin(Latitude) +0.55603
Geocentric Latitude 33.81906 (33:49:08)
Geographic Latitude 33.99725 (33:59:50)
Altitude 445 m (Note: The uncertainty maybe several meters at moment due to wrong values by the observer).
Radius 6371,551 km
Station Name Santana Observatory, Rancho Cucamonga
First observation 1999-06-09
Last observation 1999-11-27 (based on MPCAT)
Interval betwen first and last observation 172
Number of observations 22
Number of different observed objects 4
Number of used nights 6
MPEC watch https://sbnmpc.astro.umd.edu/mpecwatch/byStation/station_646.html
Small Body Explorer https://sbx.dirac.dev/station/646
NEODyS-2 https://newton.spacedys.com/neodys/index.php?pc=2.1.2&o=646&ab=0
Google Search https://google.com/search?q=646+"Santana Observatory - Rancho Cucamonga"
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.