During the month of March 2017, 8 new comets were discovered. "Current comet magnitudes" & "Daily updated asteroid flybys" pages are available at the top of this blog (or just click on the underline text here). See below for the "Other news" section.
The dates below refer to the date of issuance of CBET (Central Bureau Electronic Telegram) which reported the official news & designations.
- Comet Discoveries
Mar 01 Discovery of P/2017 D1 (FULS)
Mar 01 Discovery of C/2017 D2 (BARROS)
Mar 01 Discovery of C/2017 D3 (ATLAS)
Mar 01 Discovery of P/2017 D4 (PANSTARRS)
Mar 04 Discovery of C/2017 E1 (BORISOV)
Mar 07 Discovery of C/2017 E2 (XUYI)
Mar 13 Discovery of C/2017 E3 (PANSTARRS)
Mar 13 Discovery of C/2017 E4 (LOVEJOY)
Click on the images below for a bigger version
|C/2017 E1 (BORISOV) - E. Guido|
|C/2017 E4 (LOVEJOY) - E. Guido|
|Discovery images of C/2017 D3 (ATLAS) - Credits: The ATLAS Project|
- Other news
Mar 02 New paper on arXiv by Z. Sekanina & R. Kracht: "Orbital Evolution, Activity, and Mass Loss of Comet C/1995 O1 (Hale-Bopp). I. Close Encounter with Jupiter in Third Millennium BCE and Effects of Outgassing on the Comet's Motion and Physical Properties"
|Credits: Z. Sekanina & R. Kracht|
Mar 03 A new, bright Sungrazing comet racing towards the Sun via @SungrazerComets
|Credits: ESA/NASA/SOHO/LASCO C3|
Mar 04 New paper on arXiv by Kiss et al.: "Discovery of a satellite of the large trans-Neptunian object (225088) 2007OR10"
|Credits: Kiss et al.|
Mar 09 CBET 4371 & CBET 4374 (Mar 19) report that the following minor planets are binaries systems: (2825) CROSBY & (1798) WATTS
|Credits: NASA/JPL-Caltech/Space Science Institute|
Mar 28 New paper on arXiv by Jewitt & al.: "Anatomy of an Asteroid Break-Up: The Case of P/2013 R3"
|Credits: Jewitt & al.|
Mar 29 CBET 4376 reports that the following names have been voted upon by the IAU Working Group on Small Body Nomenclature for recently discovered comets:
Designation (Name) Discovery Reference
P/2015 PD229 (Cameron-ISON) CBET 4251
C/2014 HU195 (Valdes-TOTAS) CBET 4294
Further to CBET 4343, the following permanent numbers have been assigned to short-period comets based upon their being securely observed at multiple returns to perihelion.
Designation/Name Provisional Designations Discovery/Recovery Reference
348P/PANSTARRS P/2017 A2 = P/2011 A5 CBET 4341
349P/Lemmon P/2010 EY90 = P/2017 B1 CBET 4349
350P/McNaught P/2010 J5 = P/2017 B2 CBET 4352
Mar 30 New paper on NATURE by Wiegert et al. about the first retrograde co-orbital asteroid: 2015 BZ509: "A retrograde co-orbital asteroid of Jupiter" (see animation below)
by Ernesto Guido