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Post Info TOPIC: Comet C/2011 Q4 (SWAN)


L

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RE: Comet C/2011 Q4 (SWAN)
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Comet C/2011 Q4 (SWAN) is at Perihelion (1.125 AU) on the 21st September, 2011



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L

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Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase  Mag
2011 09 07    14 13 37.8 -20 08 28   1.3936  1.1487    54.3    45.5  13.8
2011 09 08    14 13 49.2 -19 30 38   1.4182  1.1456    53.1    44.7  13.8
2011 09 09    14 14 00.9 -18 54 09   1.4426  1.1426    52.0    44.0  13.9
2011 09 10    14 14 12.7 -18 18 57   1.4668  1.1399    50.8    43.2  13.9
2011 09 11    14 14 24.7 -17 44 57   1.4908  1.1374    49.7    42.4  13.9
2011 09 12    14 14 36.8 -17 12 05   1.5147  1.1352    48.5    41.6  14.0
2011 09 13    14 14 49.0 -16 40 17   1.5382  1.1332    47.4    40.8  14.0
2011 09 14    14 15 01.3 -16 09 29   1.5616  1.1313    46.3    40.0  14.0
2011 09 15    14 15 13.8 -15 39 39   1.5847  1.1298    45.2    39.2  14.0
2011 09 16    14 15 26.3 -15 10 42   1.6075  1.1284    44.1    38.3  14.1
2011 09 17    14 15 38.9 -14 42 37   1.6300  1.1273    43.0    37.5  14.1
2011 09 18    14 15 51.5 -14 15 19   1.6523  1.1264    41.9    36.6  14.1
2011 09 19    14 16 04.3 -13 48 47   1.6742  1.1258    40.8    35.7  14.1
2011 09 20    14 16 17.1 -13 22 59   1.6958  1.1254    39.8    34.8  14.2
2011 09 21    14 16 30.0 -12 57 51   1.7172  1.1252    38.7    33.9  14.2
2011 09 22    14 16 42.9 -12 33 22   1.7381  1.1252    37.7    33.0  14.2
2011 09 23    14 16 55.9 -12 09 29   1.7588  1.1255    36.6    32.1  14.2
2011 09 24    14 17 09.0 -11 46 11   1.7791  1.1260    35.6    31.2  14.3
2011 09 25    14 17 22.1 -11 23 26   1.7990  1.1268    34.5    30.3  14.3
2011 09 26    14 17 35.3 -11 01 13   1.8186  1.1277    33.5    29.4  14.3
2011 09 27    14 17 48.5 -10 39 29   1.8378  1.1290    32.5    28.5  14.3
2011 09 28    14 18 01.8 -10 18 12   1.8566  1.1304    31.5    27.6  14.4
2011 09 29    14 18 15.1 -09 57 23   1.8750  1.1321    30.5    26.7  14.4
2011 09 30    14 18 28.5 -09 36 58   1.8930  1.1340    29.5    25.8  14.4


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Orbital elements:
    C/2011 Q4 (SWAN)
T 2011 Sept. 21.28223 TT                                MPC
q   1.1251585            (2000.0)            P               Q
                   Peri.    2.21268     -0.34416957     -0.78421094
                   Node   251.72155     -0.86956593     +0.05883493
e   1.0            Incl.  147.06210     -0.35412201     +0.61769868
From 16 observations 2011 Sept. 4-5.

MPEC 2011 - R22

Comet C/2011 Q4 (SWAN) was discovered on the 4th September, 2011, through images taken by the Solar Wind ANisotropies (SWAN) Lyman-alpha all-sky camera onboard the SOHO satellite.
The preliminary orbital elements of the comet indicate a perihelion passage on the 21st September, 2011, at a distance of 1.1 AU from the Sun.



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