Hei
Onko tasta asteroidista suraavan artikkelin lisaksi lisatietoa, kuten esim sijanti.
t vesa_k
http://remanzacco.blogspot.com.es/2012/10/close-approach-of-asteroid-2012-tc4.html
Sijainnit saa NASA:n Horizons palvelun kautta: http://ssd.jpl.nasa.gov/horizons.cgi (http://ssd.jpl.nasa.gov/horizons.cgi)
Tässä alkuun 1 kk ajalta Helsingin mukaan (ks. liite)
Current Settings
Ephemeris Type [change] : OBSERVER
Target Body [change] : Asteroid (2012 TC4)
Observer Location [change] : Helsinki Finland ( 24°52'59.9''E, 60°09'59.8''N )
Time Span [change] : Start=2012-10-11, Stop=2012-11-10, Step=1 d
Table Settings [change] : defaults
Display/Output [change] : default (formatted HTML)
...clip...
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Date__(UT)__HR:MN R.A._(ICRF/J2000.0)_DEC APmag delta deldot S-O-T /r S-T-O
*******************************************************************************************************
$$SOE
2012-Oct-11 00:00 m 23 09 19.84 -00 27 01.6 16.22 0.00475949181045 -6.3234164 149.9582 /T 29.9051
2012-Oct-12 00:00 21 29 06.49 -19 26 00.5 13.91 0.00110762652128 -5.1381931 119.4442 /T 60.5000