标签：#理海大学

小行星691

外部連結 [http://www.minorplanet.info/PHP/lcdbsummaryquery.php Asteroid Lightcurve Database (LCDB)] , query form ([http://www.minorplanet.info/lightcurvedatabase.html info] ) [https://books.google.com/books?id=aeAg1X7afOoC&p…