The following comets may be loosely connected with the Marsden group. Their longitude and latitude of perihelion are similar to that of the Marsden group.
Paths of the Kracht group comets in the SOHO/C2 FOV. The paths are given for the middle of the month. Images prepared by R. Kracht. Click for a larger image.
Kracht group (37 members*)
Name T q (AU) w node i L B Reference
C/1996 X3 (SOHO) 1996 Dec 6.17 0.0426 63.68 51.00 14.78 113.91 13.22 MPEC 2006-C49
C/1996 X4 (SOHO) 1996 Dec 6.28 0.0492 51.86 50.79 13.70 101.84 10.74 MPEC 2006-C49
C/1996 X5 (SOHO) 1996 Dec 6.33 0.0490 51.17 51.28 13.78 101.63 10.69 MPEC 2006-C49
C/1999 M3 (SOHO) 1999 Jun 30.70 0.0441 68.03 36.33 12.35 103.89 11.44 MPC 45181
C/1999 N6 (SOHO) 1999 Jul 12.30 0.0435 63.97 32.50 12.15 95.95 10.90 MPC 45181
P/2000 O3 (SOHO) 2000 Jul 30.94 0.0540 48.12 53.46 14.58 100.65 10.80 MPC 41159
C/2001 Q7 (SOHO) 2001 Aug 21.84 0.0420 62.51 37.92 14.01 99.72 12.40 MPEC 2009-T26
C/2001 Q8 (SOHO) 2001 Aug 24.83 0.0440 58.67 43.44 13.56 101.39 11.55 MPEC 2009-T26
C/2001 R8 (SOHO) 2001 Sep 6.67 0.0437 59.63 42.19 13.58 101.11 11.69 MPEC 2002-O35
C/2001 R9 (SOHO) 2001 Sep 7.32 0.0472 53.31 48.90 12.47 101.55 9.97 MPEC 2002-O35
C/2002 N2 (SOHO) 2002 Jul 11.92 0.0490 54.78 52.93 13.80 106.92 11.24 MPEC 2002-Q02
C/2002 Q8 (SOHO) 2002 Aug 25.93 0.0500 50.98 53.12 13.29 103.34 10.29 MPEC 2009-T27
C/2002 Q10(SOHO) 2002 Aug 27.50 0.0484 51.02 50.99 13.54 101.22 10.49 MPEC 2002-R02
C/2002 S4 (SOHO) 2002 Sep 18.22 0.0484 50.98 50.81 13.51 101.00 10.46 MPEC 2002-T16
C/2002 S5 (SOHO) 2002 Sep 19.32 0.0478 52.23 49.82 13.77 101.24 10.85 MPEC 2009-T27
C/2002 S5 (SOHO) 2002 Sep 19.33 0.0467 52.01 49.01 14.03 100.18 11.01 MPEC 2002-T16
C/2002 S7 (SOHO) 2002 Sep 21.06 0.0483 51.38 50.57 13.53 101.16 10.53 MPEC 2002-T25
C/2002 S11(SOHO) 2002 Sep 30.34 0.0482 51.84 50.70 13.68 101.74 10.72 MPEC 2002-T75
C/2004 A3 (SOHO) 2004 Jan 16.16 0.0433 58.54 44.75 14.75 102.43 12.54 MPEC 2004-M04
C/2004 B3 (SOHO) 2004 Jan 18.27 0.0515 53.97 44.90 13.28 98.13 10.71 MPEC 2004-M04
C/2004 J4 (SOHO) 2004 May 05.33 0.0417 69.22 46.03 12.35 103.07 11.54 MPEC 2004-M71
C/2004 J12(SOHO) 2004 May 12.91 0.0398 71.79 33.74 12.68 105.11 12.04 MPEC 2004-N04
C/2004 J13(SOHO) 2004 May 13.85 0.0441 64.48 36.12 12.47 100.06 11.24 MPEC 2004-N04
C/2004 J15(SOHO) 2004 May 14.75 0.0438 67.24 34.56 12.28 101.32 11.31 MPEC 2004-N05
C/2004 J16(SOHO) 2004 May 14.97 0.0314 69.24 34.39 14.63 103.00 13.66 MPEC 2004-N05
C/2004 J17(SOHO) 2004 May 15.55 0.0356 72.09 35.60 13.79 107.19 13.11 MPEC 2004-N05
C/2004 J18(SOHO) 2004 May 15.69 0.0461 65.28 34.23 11.89 99.03 10.79 MPEC 2004-N05
C/2004 J20 (SOHO)2004 May 13.77 0.0419 65.37 35.86 12.76 100.68 11.58 MPEC 2007-K65
C/2004 L10(SOHO) 2004 Jun 14.10 0.0431 69.72 35.76 12.54 105.03 11.75 MPEC 2004-O05
P/2005 W4 (SOHO) 2005 Nov 23.49 0.0540 49.00 53.45 14.68 101.51 11.03 MPEC 2005-X14
C/2008 E4 (SOHO) 2008 Mar 03.01 0.0499 50.61 51.85 13.13 101.71 10.11 MPEC 2008-F32
C/2008 G6 (SOHO) 2008 Apr 13.54 0.0483 57.03 49.13 14.35 105.33 12.00 MPEC 2008-L29
C/2008 N4 (SOHO) 2008 Jul 04.38 0.0485 51.77 50.66 13.82 101.61 10.82 MPEC 2008-P60
C/2008 R7 (SOHO) 2008 Sep 06.60 0.0479 52.61 49.71 13.49 101.54 10.68 MPEC 2008-S67
C/2009 L8 (SOHO) 2009 Jun 07.43 0.0414 78.17 25.27 11.95 103.19 11.69 MPEC 2009-O21
C/2009 L13 (SOHO)2009 Jun 09.16 0.0438 78.34 20.11 11.27 98.23 11.03 MPEC 2009-O22
C/2009 Y10 (SOHO)2009 Dec 20.37 0.0513 69.10 36.02 12.38 104.67 11.55 MPEC 2010-O30
P/2011 E1 (SOHO) 2011 Mar 09.84 0.0534 57.26 44.79 13.11 101.36 11.00 MPEC 2011-F14
Mean 0.0460 59.86 43.03 13.29 102.23 11.30
Standard Deviation 0.0048 8.69 8.85 0.89 2.40 0.82
(w, node, i, L and B in degrees)
* Note that some of these comets might be identical. Until final confirmation they will
be listed here as individual ones.
? C/1999 M3 = C/2004 L10 (MPEC 2004-X73; Sekanina, Chodas, 2005)
? C/1999 N6 = C/2004 J4 or C/2004 J18 (MPEC 2004-X73; Sekanina, Chodas, 2005)
? P/2000 O3 = P/2005 W4 (MPEC 2005-X14) = P/2011 E1 (MPEC 2011-F14)
? C/2002 Q8 = C/2008 E4 (MPEC 2008-F32)
? C/2002 S11 = C/2008 G6 (MPEC 2008-L29)
? C/1996 X3..5 = C/2002 S7 = C/2008 N4 (MPEC 2008-P60)
? C/2002 S4 (5, 11) = C/2008 R7 (MPEC 2008-S67)
? C/2009 L8/L13 = C/2004 J4, 12, 13, 15...18, 20 (MPEC 2009-O22)
? C/2002 Q8 = C/2002 Q4 (MPEC 2009-T27)
? C/2008 N4 = C/2002 S5 = C/1996 X5 (MPEC 2009-T27)
Possible Kracht group comets waiting for confirmation:
2010 October 23 C2, C3 Rob Matson