| 词条 | C/2015 G2 (MASTER) |
| 释义 |
|name = C/2015 G2 |discovery_date = 2015/04/07 |epoch = 2015-Apr-21 (JD 2457133.5) |obs_arc = 54 days |obs = 230 |perihelion = 0.779879 AU |eccentricity = 1.00045 (1950) 1.00085 (2015) 1.00078 (2050) |inclination = 147.5613° |M1 = 11.6 ± 1 |M2 = 14.5 ± 0.9 |last_p = May 23, 2015 |next_p = Ejection }}C/2015 G2 (MASTER) is a comet discovered April 7, 2015 by MASTER, the Mobile Astronomical System of the Telescope-Robots at the South African Astronomical Observatory (SAAO).[1] It was the first comet discovered from South Africa in 35 years.[2] Discovery was confirmed April 10, 2015 by the Minor Planet Center.[2] It was at magnitude 10.7 at discovery and by mid-May it had reached magnitude 6.0.[3] References1. ^{{cite web|last1=Yoshida|first1=Seiichi|title=C/2015 G2 (MASTER)|url=http://www.aerith.net/comet/catalog/2015G2/2015G2.html|website=Weekly Information about Bright Comets|accessdate=20 May 2015|archiveurl=https://www.webcitation.org/6YfHSZIxx?url=http://www.aerith.net/comet/catalog/2015G2/2015G2.html|archivedate=20 May 2015}} {{Comets}}2. ^1 {{cite web|title=C/2015 G2 (MASTER) is first South African Comet discovery in 35 years |url=http://africa2moon.developspacesa.org/2015/04/13/c2015-g2-master-is-first-south-african-comet-discovery-in-35-years/ |website=Africa2Moon |accessdate=20 May 2015 |archiveurl=https://www.webcitation.org/6YfHqsimD?url=http://africa2moon.developspacesa.org/2015/04/13/c2015-g2-master-is-first-south-african-comet-discovery-in-35-years/ |archivedate=20 May 2015 |deadurl=yes |df= }} 3. ^{{cite web|last1=Yoshida |first1=Seiichi |title=Weekly Information about Bright Comets (2015 May 16: North) |url=http://www.aerith.net/comet/weekly/current.html |website=Weekly Information About Bright Comets |accessdate=20 May 2015 |archiveurl=https://www.webcitation.org/6YfJXoX7o?url=http://www.aerith.net/comet/weekly/current.html |archivedate=20 May 2015 |deadurl=yes |df= }} 3 : Non-periodic comets|Comets in 2015|Astronomical objects discovered in 2015 |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。