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Home -> Astronomy News -> Comets 2013 -> Comet P/2013 TL117 (Lemmon)
Post Info TOPIC: Comet P/2013 TL117 (Lemmon)
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RE: Comet P/2013 TL117 (Lemmon)
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Comet P/2013 TL117 (Lemmon) is at Opposition (3.324 AU) in the constellation Scorpius on the 12th June 2015

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   Mag
2015 06 10    17 13 55.4 -34 56 58   3.3148  4.3129   168.0     2.8  26.5
2015 06 11    17 12 57.4 -34 56 03   3.3194  4.3179   168.1     2.8  26.5
2015 06 12    17 11 59.7 -34 55 03   3.3243  4.3229   168.1     2.8  26.5
2015 06 13    17 11 02.2 -34 53 57   3.3295  4.3279   168.0     2.8  26.5
2015 06 14    17 10 05.0 -34 52 47   3.3350  4.3329   167.8     2.8  26.5
2015 06 15    17 09 08.1 -34 51 31   3.3408  4.3379   167.5     2.9  26.5
2015 06 16    17 08 11.6 -34 50 11   3.3469  4.3428   167.0     3.0  26.5
2015 06 17    17 07 15.4 -34 48 46   3.3533  4.3478   166.6     3.1  26.5
2015 06 18    17 06 19.7 -34 47 16   3.3600  4.3527   166.0     3.2  26.5
2015 06 19    17 05 24.4 -34 45 42   3.3670  4.3576   165.4     3.4  26.5
2015 06 20    17 04 29.7 -34 44 03   3.3743  4.3626   164.7     3.5  26.5
2015 06 21    17 03 35.5 -34 42 20   3.3819  4.3675   163.9     3.7  26.5
2015 06 22    17 02 41.9 -34 40 33   3.3898  4.3724   163.2     3.9  26.6
2015 06 23    17 01 49.0 -34 38 42   3.3980  4.3773   162.3     4.0  26.6
2015 06 24    17 00 56.6 -34 36 47   3.4065  4.3822   161.5     4.2  26.6
2015 06 25    17 00 05.0 -34 34 48   3.4153  4.3870   160.6     4.4  26.6
2015 06 26    16 59 14.0 -34 32 46   3.4243  4.3919   159.7     4.6  26.6
2015 06 27    16 58 23.8 -34 30 40   3.4337  4.3968   158.8     4.8  26.6
2015 06 28    16 57 34.4 -34 28 31   3.4433  4.4016   157.9     5.0  26.6
2015 06 29    16 56 45.8 -34 26 19   3.4532  4.4065   156.9     5.2  26.6
2015 06 30    16 55 58.0 -34 24 04   3.4634  4.4113   156.0     5.4  26.6


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Comet P/2013 TL117 (Lemmon) makes its closest approach to the Earth (0.621 AU) on the 5th March 2014 

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   Mag
2014 03 01    04 01 40.8 +35 07 08   0.6224  1.1271    85.4    61.2  17.0
2014 03 02    04 07 27.4 +35 12 27   0.6218  1.1289    85.6    61.1  17.0
2014 03 03    04 13 17.8 +35 16 50   0.6214  1.1309    85.8    61.0  17.0
2014 03 04    04 19 11.8 +35 20 17   0.6211  1.1330    86.0    60.8  17.0
2014 03 05    04 25 09.2 +35 22 45   0.6210  1.1353    86.3    60.7  17.0
2014 03 06    04 31 09.6 +35 24 13   0.6210  1.1377    86.5    60.5  17.0
2014 03 07    04 37 12.8 +35 24 39   0.6212  1.1403    86.7    60.3  17.0
2014 03 08    04 43 18.5 +35 24 03   0.6215  1.1431    87.0    60.1  17.0
2014 03 09    04 49 26.3 +35 22 22   0.6220  1.1460    87.3    59.9  17.1
2014 03 10    04 55 35.9 +35 19 37   0.6226  1.1490    87.5    59.7  17.1
2014 03 11    05 01 46.9 +35 15 45   0.6235  1.1522    87.8    59.5  17.1
2014 03 12    05 07 59.1 +35 10 48   0.6245  1.1555    88.1    59.2  17.1
2014 03 13    05 14 12.0 +35 04 44   0.6257  1.1589    88.3    59.0  17.1
2014 03 14    05 20 25.2 +34 57 34   0.6270  1.1625    88.6    58.7  17.1
2014 03 15    05 26 38.6 +34 49 17   0.6286  1.1663    88.9    58.5  17.2
2014 03 16    05 32 51.5 +34 39 54   0.6304  1.1701    89.2    58.2  17.2
2014 03 17    05 39 03.8 +34 29 26   0.6324  1.1741    89.5    57.9  17.2
2014 03 18    05 45 15.1 +34 17 53   0.6345  1.1783    89.8    57.6  17.2
2014 03 19    05 51 25.1 +34 05 17   0.6369  1.1825    90.1    57.3  17.2
2014 03 20    05 57 33.3 +33 51 38   0.6395  1.1869    90.4    57.0  17.3
2014 03 21    06 03 39.5 +33 36 59   0.6423  1.1914    90.7    56.7  17.3
2014 03 22    06 09 43.5 +33 21 20   0.6453  1.1960    91.0    56.4  17.3
2014 03 23    06 15 44.9 +33 04 44   0.6486  1.2008    91.2    56.1  17.4
2014 03 24    06 21 43.4 +32 47 12   0.6520  1.2057    91.5    55.7  17.4
2014 03 25    06 27 38.9 +32 28 47   0.6557  1.2107    91.8    55.4  17.4
2014 03 26    06 33 31.1 +32 09 31   0.6596  1.2157    92.1    55.1  17.4
2014 03 27    06 39 19.8 +31 49 27   0.6638  1.2210    92.4    54.7  17.5
2014 03 28    06 45 04.7 +31 28 35   0.6681  1.2263    92.6    54.4  17.5
2014 03 29    06 50 45.8 +31 07 00   0.6727  1.2317    92.9    54.0  17.5
2014 03 30    06 56 22.9 +30 44 44   0.6775  1.2372    93.2    53.7  17.6
2014 03 31    07 01 55.8 +30 21 49   0.6826  1.2429    93.4    53.3  17.6


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Comet P/2013 TL117 (Lemmon) is at Perihelion (1.118 AU) on the 18th February 2014

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   Mag
2014 02 17    02 58 23.8 +33 04 39   0.6373  1.1178    83.9    61.5  17.0
2014 02 18    03 03 12.4 +33 18 12   0.6356  1.1177    84.0    61.6  17.0
2014 02 19    03 08 06.3 +33 31 15   0.6339  1.1177    84.1    61.6  17.0
2014 02 20    03 13 05.4 +33 43 48   0.6324  1.1179    84.1    61.6  17.0
2014 02 21    03 18 09.6 +33 55 47   0.6309  1.1183    84.2    61.6  17.0
2014 02 22    03 23 19.1 +34 07 10   0.6295  1.1188    84.3    61.6  17.0
2014 02 23    03 28 33.6 +34 17 56   0.6281  1.1195    84.5    61.6  17.0
2014 02 24    03 33 53.1 +34 28 01   0.6269  1.1204    84.6    61.6  17.0
2014 02 25    03 39 17.4 +34 37 24   0.6258  1.1214    84.7    61.5  17.0
2014 02 26    03 44 46.6 +34 46 02   0.6248  1.1226    84.9    61.5  17.0
2014 02 27    03 50 20.3 +34 53 54   0.6238  1.1239    85.0    61.4  17.0
2014 02 28    03 55 58.5 +35 00 57   0.6230  1.1254    85.2    61.3  17.0


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Orbital elements:
    P/2013 TL117 (Lemmon)
Epoch 2014 Mar. 4.0 TT = JDT 2456720.5
T 2014 Feb. 18.21879 TT                                 MPC
q   1.1176706            (2000.0)            P               Q
n   0.14401094     Peri.  112.20037     -0.43074097     -0.90242520
a   3.6047271      Node     3.36016     +0.75644904     -0.36678818
e   0.6899431      Incl.    9.36584     +0.49218601     -0.22604245
P   6.84
From 152 observations 2013 Oct. 4-Dec. 12

MPEC 2013 - X59

Key to Orbital elements

Comet P/2013 TL117 (Lemmon) was first discovered on October 4, 2013 by the Mount Lemmon Survey and designated as asteroid 2013 TL117. It was rediscovered on the 24 October 2013 and relisted as asteroid 2013 UT2; further observations revealed its cometary nature, and belonging to the .Jupiter cometary family.
The preliminary orbital elements of the comet indicate a perihelion passage on the 18th February 2014 at a distance of about 1.1 AU from the Sun, and with a orbital period of 6.8 years.

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   Mag
2013 12 15    00 26 57.6 +18 41 41   0.7221  1.4063   110.0    41.1  18.3
2013 12 16    00 27 19.1 +18 48 05   0.7219  1.3988   109.2    41.6  18.2
2013 12 17    00 27 44.1 +18 54 46   0.7217  1.3914   108.3    42.2  18.2
2013 12 18    00 28 12.7 +19 01 45   0.7214  1.3840   107.5    42.7  18.2
2013 12 19    00 28 44.9 +19 09 02   0.7212  1.3767   106.7    43.2  18.2
2013 12 20    00 29 20.7 +19 16 36   0.7209  1.3695   105.9    43.7  18.2
2013 12 25    00 33 13.2 +19 58 52   0.7191  1.3342   102.1    46.1  18.0
2013 12 30    00 38 35.3 +20 48 29   0.7165  1.3006    98.6    48.4  17.9
2014 01 05    00 47 01.0 +21 57 34   0.7119  1.2630    95.0    50.9  17.8
2014 01 10    00 55 42.6 +23 02 43   0.7066  1.2341    92.3    52.8  17.7
2014 01 15    01 05 56.8 +24 14 05   0.6999  1.2079    90.1    54.5  17.5
2014 01 20    01 17 46.7 +25 30 48   0.6920  1.1845    88.1    56.1  17.4
2014 01 25    01 31 17.2 +26 51 44   0.6830  1.1642    86.6    57.6  17.3
2014 01 30    01 46 35.4 +28 15 27   0.6733  1.1473    85.4    58.8  17.2
2014 02 05    02 07 30.2 +29 56 55   0.6609  1.1318    84.4    60.1  17.1
2014 02 10    02 27 11.6 +31 19 19   0.6506  1.1232    83.9    60.9  17.1
2014 02 15    02 49 02.3 +32 36 16   0.6409  1.1185    83.9    61.4  17.0
2014 02 16    02 53 40.3 +32 50 40   0.6391  1.1181    83.9    61.5  17.0
2014 02 17    02 58 23.5 +33 04 39   0.6373  1.1178    83.9    61.5  17.0
2014 02 18    03 03 12.1 +33 18 11   0.6356  1.1177    84.0    61.6  17.0
2014 02 19    03 08 05.9 +33 31 15   0.6340  1.1177    84.1    61.6  17.0
2014 02 20    03 13 05.0 +33 43 47   0.6324  1.1179    84.1    61.6  17.0
2014 02 25    03 39 17.0 +34 37 24   0.6258  1.1214    84.7    61.5  17.0


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