C/2008 T2 (Cardinal)
| Discovery | |
|---|---|
| Discovered by | Rob D. Cardinal[1] |
| Discovery date | October 1, 2008[1] |
| Orbital characteristics | |
| Epoch | 2454870.5 (February 8, 2009)[2] |
| Aphelion | N/A |
| Perihelion | 1.202207 AU[2] |
| Semi-major axis | -11027.76 |
| Eccentricity | 1.000109[2] |
| Inclination | 56.30368°[2] |
| Last perihelion | June 13, 2009[3] |
| Next perihelion | N/A |
| TJupiter | 0.754 |
| Comet total magnitude (M1) | 11.2 |
| Comet nuclear magnitude (M2) | 13.2 ±0.8 |
C/2008 T2 (Cardinal), is a non-periodic comet. It was discovered by Rob. D. Cardinal from the University of Calgary.[1][4][5] It was visible as a telescopic and binocular object during 2009.[5][6] It passed near the Perseus star clusters NGC 1528 on March 15 and NGC 1545 on March 17, 2009.[7] It also passed near the Auriga star clusters M38 on April 14, M36 on April 17, and M37 in on April 21, 2009, and passed near Comet Lulin on May 12, 2009, for observers on Earth.[5][6][8] It peaked in brightness in June–July 2009 at 8.5-9m.[5][7]
References[edit]
- ^ a b c Shaw, Brenda M. (October 14, 2008). "Canadian Comet Discovery: C/2008 T2 Cardinal". Royal Astronomical Society of Canada. Archived from the original on 2009-02-20. Retrieved 2008-12-25.
- ^ a b c d "JPL Small-Body Data (C/2008 T2)". JPL NASA. Retrieved 2009-01-02.
- ^ Yeomans, Donald K. "Horizon Online Ephemeris System". California Institute of Technology, Jet Propulsion Laboratory. Retrieved 2008-12-25.
- ^ "Comet discovered". University of Calgary. October 14, 2008. Archived from the original on 2009-02-03. Retrieved 2009-01-02.
- ^ a b c d Yoshida, Seiichi (December 14, 2008). "C/2008 T2 (Cardinal)". aerith.net. Retrieved 2008-12-25.
- ^ a b Dyer, Alan (2009). "The Top 10 Celestial Sights of 2009 (pg. 14)". In Dickinson, Terence (ed.). SkyNews: The Canadian Magazine of Astronomy & Stargazing. Vol. XIV, Issue 5 (January/February 2009 ed.). Yarker, Ontario: SkyNews Inc. p. 38.
- ^ a b Dyer, Alan (2009). "The Planets at Their Best (pg. 23)". In Dickinson, Terence (ed.). SkyNews: The Canadian Magazine of Astronomy and Stargazing. Vol. XIV, Issue 6 (March/April 2009 ed.). Yarker, Ontario: SkyNews Inc. p. 38.
- ^ RASC, Oberver's Handbook; Cooke, Roberta; Bishop, Roy (2009). "Star Chart: Celestial Calendar (pg. 20)". In Dickinson, Terence (ed.). SkyNews: The Canadian Magazine of Astronomy & Stargazing. Vol. XIV, Issue 6 (March/April 2009 ed.). Yarker, Ontario: SkyNews Inc. p. 38.
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