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Post Info TOPIC: Comet P/2010 H2
Blobrana


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Comet P/2010 H2
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Comet P/2010 H2 (Vales) is at Opposition (3.451 AU) on the 8th November 2014 

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   Mag
2014 11 05    02 59 13.7 +10 27 40   3.4541  4.4400   173.0     1.6  15.2
2014 11 06    02 58 32.6 +10 26 24   3.4528  4.4391   173.5     1.5  15.2
2014 11 07    02 57 51.5 +10 25 09   3.4517  4.4382   173.7     1.4  15.2
2014 11 08    02 57 10.3 +10 23 56   3.4510  4.4374   173.8     1.4  15.2
2014 11 09    02 56 29.0 +10 22 44   3.4506  4.4365   173.7     1.4  15.2
2014 11 10    02 55 47.8 +10 21 33   3.4505  4.4356   173.3     1.5  15.2
2014 11 11    02 55 06.6 +10 20 25   3.4507  4.4347   172.8     1.6  15.2
2014 11 12    02 54 25.4 +10 19 18   3.4512  4.4338   172.1     1.8  15.2
2014 11 13    02 53 44.3 +10 18 13   3.4520  4.4329   171.3     1.9  15.2
2014 11 14    02 53 03.3 +10 17 10   3.4532  4.4321   170.5     2.1  15.2
2014 11 15    02 52 22.4 +10 16 10   3.4546  4.4312   169.6     2.3  15.2
2014 11 16    02 51 41.8 +10 15 11   3.4564  4.4303   168.6     2.5  15.2
2014 11 17    02 51 01.3 +10 14 15   3.4585  4.4294   167.6     2.7  15.2
2014 11 18    02 50 21.1 +10 13 21   3.4609  4.4285   166.6     3.0  15.2
2014 11 19    02 49 41.1 +10 12 30   3.4636  4.4276   165.5     3.2  15.2
2014 11 20    02 49 01.4 +10 11 42   3.4666  4.4267   164.5     3.4  15.2
2014 11 21    02 48 22.1 +10 10 56   3.4699  4.4257   163.4     3.7  15.2
2014 11 22    02 47 43.1 +10 10 14   3.4735  4.4248   162.3     3.9  15.2
2014 11 23    02 47 04.5 +10 09 34   3.4775  4.4239   161.2     4.1  15.2
2014 11 24    02 46 26.3 +10 08 57   3.4817  4.4230   160.1     4.4  15.2
2014 11 25    02 45 48.5 +10 08 23   3.4862  4.4221   159.0     4.6  15.2
2014 11 26    02 45 11.3 +10 07 53   3.4910  4.4212   157.9     4.8  15.2
2014 11 27    02 44 34.5 +10 07 26   3.4961  4.4202   156.8     5.1  15.2
2014 11 28    02 43 58.2 +10 07 02   3.5015  4.4193   155.7     5.3  15.2
2014 11 29    02 43 22.5 +10 06 42   3.5072  4.4184   154.5     5.5  15.2
2014 11 30    02 42 47.4 +10 06 26   3.5132  4.4174   153.4     5.7  15.2


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Comet P/2010 H2 (Vales)
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Comet P/2010 H2 (Vales) is at Opposition (3.604 AU) on the 1st October 2013

 



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Comet P/2010 H2 (Vales) makes its closest approach to the Earth (2.622 AU) on the 23rd June, 2011.



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Orbital elements:
    P/2010 H2 (Vales)
Epoch 2010 Mar. 25.0 TT = JDT 2455280.5
T 2010 Mar. 6.59863 TT                                  MPC
q   3.1079549            (2000.0)            P               Q
n   0.13048009     Peri.  129.59688     -0.94935776     +0.22242209
a   3.8498152      Node    64.29634     -0.30523409     -0.82038483
e   0.1927002      Incl.   14.25808     +0.07451171     -0.52677998
P   7.55

MPEC 2010 - J87

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Blobrana


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Orbital elements:
    P/2010 H2 (Vales)
T 2010 Mar. 5.3157 TT                                   MPC
q   3.108220             (2000.0)            P               Q
n   0.1305015      Peri.  129.3551      -0.9503144      +0.2182616
a   3.849393       Node    64.2877      -0.3016616      -0.8216771
e   0.192543       Incl.   14.2615      +0.0768296      -0.5265061
P   7.55
From 941 observations 2010 Apr. 16-May 8.

MPEC 2010 - J39

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Orbital elements:
    P/2010 H2 (Vales)
T 2010 Mar. 2.507 TT                                    MPC
q   3.10939              (2000.0)            P               Q
n   0.130528       Peri.  128.837       -0.952329       +0.209169
a   3.84886        Node    64.260       -0.293873       -0.824404
e   0.19213        Incl.   14.273       +0.081897       -0.525934
P   7.55
From 803 observations 2010 Apr. 16-May 2.

MPEC 2010 - J08

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Orbital elements:
    P/2010 H2 (Vales)
T 2010 Mar. 1.931 TT                                    MPC
q   3.10939              (2000.0)            P               Q
n   0.130535       Peri.  128.725       -0.952737       +0.207297
a   3.84873        Node    64.259       -0.292256       -0.824975
e   0.19210        Incl.   14.273       +0.082934       -0.525779
P   7.55
From 746 observations 2010 Apr. 16-29.

MPEC 2010 - H81

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Orbital elements:
    P/2010 H2 (Vales)
T 2010 Mar. 8.872 TT                                    MPC
q   3.10923              (2000.0)            P               Q
n   0.130462       Peri.  130.080       -0.947571       +0.229821
a   3.85017        Node    64.262       -0.311693       -0.817849
e   0.19244        Incl.   14.269       +0.070412       -0.527547
P   7.55
From 636 observations 2010 Apr. 16-24.

MPEC 2010 - H57

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RE: Comet P/2010 H2
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The Outburst of Comet P/2010 H2 (Vales)

On the night of April 16 UT, Slovenian astronomer Jan Vales detected a normal looking 12th magnitude asteroid. Normal in that it was moving at a rate that was typical for a run-of-the-mill object in the asteroid Main Belt. The weird thing is it wasn't known. All the asteroids this bright were found years ago (in fact ~70 years ago). In fact, this object is so bright that I should be able to see it in my 12" telescope without the use of a digital camera.
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Blobrana


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Posts: 131433
Date:
Comet P/2010 H2 (VALES)
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Massive outburst of a previously unknown comet or a disrupted Hilda asteroid?

On 2010 April 16.0, Jan Vales of the Crni Vrh observatory, Slovenia, discovered a 13th magnitude 'star' moving slowly across the sky. Observations using larger telescopes some hours later showed the object was slightly more diffuse than the adjacent stars and it was subsequently identified as a new comet, one that seems to have undergone an outburst of 7 magnitudes or more within a time interval of less than 14 hr.  This unusual comet, P/2010 H2 was observed on April 19.4 with the 2.0-m Faulkes Telescope North by myself using six different filters in all.  At this time, the comet has a very bright slightly elliptical central region some 3.3"x3.9" in size (fwhm) and the outer coma extends some 35"x40" tilted at a position angle of 70/250 deg.
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