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Post Info TOPIC: Asteroid 2009 MB9


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Posts: 131433
Date:
Comet 222P/LINEAR
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Comet 222P/LINEAR is at Opposition (1.626 AU) on the 25th January 2015.

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   Mag
2015 01 20    08 40 09.4 +26 04 54   1.5893  2.5646   170.3     3.7  25.1
2015 01 21    08 38 36.0 +26 09 19   1.5960  2.5727   171.1     3.4  25.1
2015 01 22    08 37 02.9 +26 13 35   1.6029  2.5808   171.8     3.1  25.1
2015 01 23    08 35 30.2 +26 17 40   1.6102  2.5889   172.3     2.9  25.2
2015 01 24    08 33 58.2 +26 21 35   1.6178  2.5970   172.6     2.8  25.2
2015 01 25    08 32 26.8 +26 25 20   1.6257  2.6051   172.6     2.8  25.2
2015 01 26    08 30 56.1 +26 28 54   1.6340  2.6131   172.4     2.9  25.2
2015 01 27    08 29 26.3 +26 32 18   1.6425  2.6211   172.0     3.0  25.3
2015 01 28    08 27 57.5 +26 35 31   1.6514  2.6291   171.4     3.2  25.3
2015 01 29    08 26 29.7 +26 38 34   1.6606  2.6371   170.6     3.5  25.3
2015 01 30    08 25 03.0 +26 41 26   1.6701  2.6451   169.7     3.8  25.3
2015 01 31    08 23 37.5 +26 44 07   1.6799  2.6530   168.7     4.2  25.4


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Comet 222P/LINEAR is at Perihelion (0.784) on the 4th July 2014

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   Mag
2014 07 01    03 25 30.6 +17 13 49   1.0155  0.7865    45.5    67.3  19.0
2014 07 02    03 30 33.0 +17 40 30   1.0264  0.7854    45.2    66.7  19.0
2014 07 03    03 35 33.7 +18 06 20   1.0374  0.7847    44.9    66.1  19.0
2014 07 04    03 40 32.6 +18 31 21   1.0485  0.7843    44.6    65.5  19.0
2014 07 05    03 45 29.8 +18 55 33   1.0597  0.7843    44.3    64.9  19.1
2014 07 06    03 50 25.2 +19 18 56   1.0710  0.7847    44.1    64.3  19.1
2014 07 07    03 55 18.8 +19 41 30   1.0824  0.7853    43.8    63.6  19.1
2014 07 08    04 00 10.7 +20 03 16   1.0938  0.7864    43.6    63.0  19.2
2014 07 09    04 05 00.8 +20 24 15   1.1053  0.7877    43.3    62.3  19.2
2014 07 10    04 09 49.1 +20 44 26   1.1168  0.7895    43.1    61.7  19.2
2014 07 11    04 14 35.6 +21 03 51   1.1284  0.7915    42.9    61.0  19.2
2014 07 12    04 19 20.2 +21 22 30   1.1400  0.7939    42.7    60.3  19.3
2014 07 13    04 24 03.0 +21 40 23   1.1515  0.7966    42.5    59.6  19.3
2014 07 14    04 28 44.0 +21 57 31   1.1631  0.7997    42.4    59.0  19.4
2014 07 15    04 33 23.0 +22 13 55   1.1747  0.8030    42.2    58.3  19.4
2014 07 16    04 38 00.1 +22 29 36   1.1863  0.8067    42.1    57.6  19.4
2014 07 17    04 42 35.3 +22 44 33   1.1978  0.8107    42.0    57.0  19.5
2014 07 18    04 47 08.5 +22 58 49   1.2093  0.8150    41.8    56.3  19.5
2014 07 19    04 51 39.7 +23 12 23   1.2208  0.8196    41.7    55.6  19.6
2014 07 20    04 56 08.8 +23 25 16   1.2322  0.8245    41.7    55.0  19.6
2014 07 21    05 00 35.9 +23 37 30   1.2436  0.8296    41.6    54.4  19.7
2014 07 22    05 05 00.8 +23 49 04   1.2549  0.8350    41.5    53.7  19.7
2014 07 23    05 09 23.6 +24 00 00   1.2661  0.8407    41.4    53.1  19.8
2014 07 24    05 13 44.1 +24 10 19   1.2773  0.8467    41.4    52.5  19.8
2014 07 25    05 18 02.5 +24 20 01   1.2884  0.8529    41.4    51.9  19.9
2014 07 26    05 22 18.6 +24 29 07   1.2994  0.8593    41.3    51.3  19.9
2014 07 27    05 26 32.4 +24 37 39   1.3103  0.8660    41.3    50.8  20.0
2014 07 28    05 30 44.0 +24 45 36   1.3211  0.8728    41.3    50.2  20.0
2014 07 29    05 34 53.1 +24 53 01   1.3318  0.8799    41.3    49.7  20.1
2014 07 30    05 39 00.0 +24 59 53   1.3424  0.8872    41.4    49.1  20.1
2014 07 31    05 43 04.4 +25 06 13   1.3530  0.8947    41.4    48.6  20.2


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Comet 222P/LINEAR makes its closest approach to the Earth (0.798 AU) on the 28th May 2014 

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   Mag
2014 05 27    00 09 47.1 -05 43 02   0.7982  0.9983    65.6    67.6  19.5
2014 05 28    00 15 48.6 -04 57 52   0.7980  0.9890    64.9    68.1  19.5
2014 05 29    00 21 49.5 -04 12 28   0.7983  0.9798    64.2    68.6  19.4
2014 05 30    00 27 49.7 -03 26 54   0.7990  0.9707    63.5    69.1  19.4
2014 05 31    00 33 49.1 -02 41 14   0.8001  0.9617    62.7    69.6  19.3
2014 06 01    00 39 47.4 -01 55 32   0.8017  0.9529    62.0    70.0  19.3
2014 06 02    00 45 44.5 -01 09 51   0.8037  0.9442    61.3    70.4  19.3
2014 06 03    00 51 40.4 -00 24 17   0.8062  0.9357    60.6    70.8  19.2
2014 06 04    00 57 34.8 +00 21 08   0.8091  0.9273    59.9    71.1  19.2
2014 06 05    01 03 27.8 +01 06 20   0.8124  0.9191    59.2    71.4  19.2
2014 06 06    01 09 19.2 +01 51 16   0.8161  0.9110    58.5    71.7  19.2
2014 06 07    01 15 08.9 +02 35 51   0.8202  0.9032    57.8    72.0  19.1
2014 06 08    01 20 56.8 +03 20 03   0.8248  0.8954    57.1    72.2  19.1
2014 06 09    01 26 43.0 +04 03 49   0.8297  0.8879    56.5    72.4  19.1
2014 06 10    01 32 27.3 +04 47 06   0.8350  0.8806    55.8    72.5  19.1
2014 06 11    01 38 09.7 +05 29 51   0.8407  0.8735    55.2    72.6  19.0
2014 06 12    01 43 50.2 +06 12 03   0.8467  0.8666    54.6    72.7  19.0
2014 06 13    01 49 28.8 +06 53 38   0.8531  0.8599    54.0    72.7  19.0
2014 06 14    01 55 05.3 +07 34 35   0.8598  0.8535    53.4    72.7  19.0
2014 06 15    02 00 40.0 +08 14 52   0.8669  0.8472    52.8    72.7  19.0
2014 06 16    02 06 12.6 +08 54 27   0.8743  0.8413    52.2    72.6  19.0
2014 06 17    02 11 43.2 +09 33 19   0.8820  0.8356    51.7    72.5  18.9
2014 06 18    02 17 11.9 +10 11 26   0.8900  0.8301    51.1    72.3  18.9
2014 06 19    02 22 38.6 +10 48 48   0.8983  0.8249    50.6    72.1  18.9
2014 06 20    02 28 03.3 +11 25 23   0.9068  0.8200    50.1    71.9  18.9
2014 06 21    02 33 26.1 +12 01 11   0.9156  0.8154    49.6    71.6  18.9
2014 06 22    02 38 47.0 +12 36 10   0.9247  0.8111    49.1    71.3  18.9
2014 06 23    02 44 05.9 +13 10 21   0.9340  0.8071    48.7    71.0  18.9
2014 06 24    02 49 23.0 +13 43 42   0.9435  0.8034    48.2    70.6  18.9
2014 06 25    02 54 38.1 +14 16 13   0.9533  0.8000    47.8    70.2  18.9
2014 06 26    02 59 51.4 +14 47 55   0.9632  0.7969    47.4    69.8  18.9
2014 06 27    03 05 02.9 +15 18 46   0.9734  0.7941    47.0    69.4  18.9
2014 06 28    03 10 12.5 +15 48 48   0.9837  0.7917    46.6    68.9  18.9
2014 06 29    03 15 20.3 +16 17 58   0.9941  0.7896    46.2    68.4  19.0
2014 06 30    03 20 26.3 +16 46 19   1.0048  0.7879    45.9    67.9  19.0


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Posts: 131433
Date:
Comet P/2004 X1 (LINEAR)
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The 500 - 1100 metre wide comet P/2004 X1 (LINEAR) will make a close pass (67.5 Lunar Distances, 0.1734 AU), travelling at 14.01 km/s, to the Earth-Moon system on the 5th August, 2009.

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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).


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Posts: 131433
Date:
Comet P/2009 MB9 (LINEAR)
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Asteroid 2009 MB9 was discovered on the 8th July, 2009, by H. Lepez, G. Torre, Y. Buchiniz, and J. Torres.
It was observed on the 2nd August by Rob H. McNaught (Siding Spring Survey) who announced that 2009 MB9, showed a small coma.
Hidetaka Sato (Tokyo) showed that 2009 MB9 had orbital elements similar to the comet P/2004 X1 (LINEAR), discovered on the 7th December, 2004 by the LINEAR monitoring telescope.
The orbital elements of the comet P/2009 MB9 (LINEAR) indicate a perihelion passage on the 1st September, 2009, at a distance of 0.78 AU from the Sun, and a 4.83 year orbital period.

Ephemeris 2009 MB9
Ephemeris 2004 X1


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Posts: 131433
Date:
RE: Asteroid 2009 MB9
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Comet P/2004 X1 = 2009 MB9 (LINEAR)

Orbital elements:
P/2004 X1 = 2009 MB9 (LINEAR)
Epoch 2004 Nov. 11.0 TT = JDT 2453320.5
T 2004 Nov. 1.91934 TT MPC
q 0.7824018 (2000.0) P Q
n 0.20386211 Peri. 345.43417 +0.99150838 +0.12956367
a 2.8592033 Node 7.14945 -0.10854224 +0.87176274
e 0.7263567 Incl. 5.14118 -0.07162199 +0.47248595
P 4.83

MPEC 2009 - P09


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Posts: 131433
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New images taken by the Siding Spring Observatory indicate that asteroid 2009 MB9 has developed a coma.

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UPDATE:
The 500 - 1100 metre wide asteroid 2009 MB9 will make a close pass (67.5 Lunar Distances, 0.1735 AU), travelling at 14.02 km/s, to the Earth-Moon system on the 5th August, 2009.

See more

The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).


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Posts: 131433
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2009 MB9
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.53
Palermo Scale (cumulative) -4.53
Impact Probability (cumulative) 1.7e-08
Number of Potential Impacts 1
Vimpact 15.01 km/s
Vinfinity 10.05 km/s
H 18.7
Diameter 0.620 km
Mass 3.2e+11 kg
Energy 8.7e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
24 observations spanning 9.6712 days
(2009-Jun-29.47208 to 2009-Jul-09.14333)



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Posts: 131433
Date:
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2009 MB9
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.56
Palermo Scale (cumulative) -4.56
Impact Probability (cumulative) 1.6e-08
Number of Potential Impacts 1
Vimpact 15.01 km/s
Vinfinity 10.06 km/s
H 18.7
Diameter 0.630 km
Mass 3.4e+11 kg
Energy 9.1e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
21 observations spanning 8.6262 days
(2009-Jun-29.47208 to 2009-Jul-08.09828)



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