MPC
CBAT
ICQ
C/2007 JA21 (LINEAR)
T 2006 Nov. 13.6058 TT MPC
q 5.365099 (2000.0) P Q
Peri. 93.6135 -0.0288332 -0.4128705
Node 65.5520 -0.4484778 -0.8085602
e 1.0 Incl. 89.8266 +0.8933288 -0.4192473
From 99 observations 2007 May 11-June 19.
An explanation of the orbital
elements is available.These orbital elements are also available in forms suitable for loading into a number of popular planetarium-type software programs.
Personalized ephemerides for this (and other) objects may be generated using the Minor Planet & Comet Ephemeris Service.
Recent magnitude estimates for this comet (as reported to the ICQ) may be available.
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2 2007 06 19 16 48.49 +50 21.0 5.250 5.601 105.1 10.1 19.1 2007 06 24 16 42.51 +49 34.9 5.270 5.612 104.5 10.1 19.1 2007 06 29 16 36.93 +48 43.8 5.294 5.623 103.7 10.1 19.1 2007 07 04 16 31.79 +47 48.4 5.322 5.634 102.7 10.1 19.1 2007 07 09 16 27.12 +46 49.0 5.353 5.645 101.5 10.2 19.2 2007 07 14 16 22.95 +45 46.3 5.389 5.656 100.1 10.2 19.2 2007 07 19 16 19.27 +44 40.6 5.428 5.668 98.5 10.2 19.2 2007 07 24 16 16.10 +43 32.7 5.471 5.680 96.7 10.2 19.2 2007 07 29 16 13.42 +42 23.0 5.517 5.692 94.8 10.2 19.3 2007 08 03 16 11.21 +41 12.1 5.566 5.704 92.7 10.2 19.3 2007 08 08 16 09.45 +40 00.4 5.618 5.717 90.5 10.2 19.3 2007 08 13 16 08.13 +38 48.2 5.672 5.730 88.1 10.2 19.4 2007 08 18 16 07.23 +37 36.2 5.729 5.743 85.7 10.1 19.4 2007 08 23 16 06.72 +36 24.5 5.787 5.756 83.2 10.0 19.4 2007 08 28 16 06.56 +35 13.6 5.846 5.769 80.7 10.0 19.4 2007 09 02 16 06.75 +34 03.8 5.907 5.783 78.0 9.8 19.5 2007 09 07 16 07.25 +32 55.2 5.968 5.796 75.4 9.7 19.5 2007 09 12 16 08.04 +31 48.2 6.030 5.810 72.7 9.5 19.5 2007 09 17 16 09.10 +30 42.8 6.091 5.824 70.0 9.3 19.6 2007 09 22 16 10.40 +29 39.4 6.153 5.838 67.3 9.1 19.6 2007 09 27 16 11.93 +28 38.0 6.213 5.853 64.6 8.9 19.6 2007 10 02 16 13.66 +27 38.7 6.272 5.867 61.9 8.7 19.7 2007 10 07 16 15.58 +26 41.6 6.329 5.882 59.3 8.4 19.7 2007 10 12 16 17.66 +25 46.9 6.385 5.897 56.8 8.1 19.7 2007 10 17 16 19.89 +24 54.6 6.438 5.912 54.3 7.9 19.8 2007 10 22 16 22.24 +24 04.7 6.489 5.928 52.0 7.6 19.8 2007 10 27 16 24.71 +23 17.3 6.536 5.943 49.8 7.3 19.8 2007 11 01 16 27.27 +22 32.4 6.581 5.959 47.7 7.1 19.8 2007 11 06 16 29.92 +21 50.1 6.622 5.974 45.9 6.8 19.9 2007 11 11 16 32.63 +21 10.3 6.659 5.990 44.3 6.6 19.9 2007 11 16 16 35.39 +20 33.1 6.693 6.007 42.9 6.4 19.9 2007 11 21 16 38.18 +19 58.4 6.722 6.023 41.9 6.3 19.9 2007 11 26 16 40.98 +19 26.2 6.747 6.039 41.2 6.2 20.0 2007 12 01 16 43.79 +18 56.6 6.767 6.056 40.9 6.1 20.0 2007 12 06 16 46.59 +18 29.4 6.783 6.073 40.9 6.1 20.0 2007 12 11 16 49.37 +18 04.7 6.795 6.090 41.3 6.1 20.0 2007 12 16 16 52.10 +17 42.5 6.801 6.107 42.1 6.2 20.0 2007 12 21 16 54.78 +17 22.7 6.803 6.124 43.3 6.3 20.0 2007 12 26 16 57.38 +17 05.1 6.800 6.141 44.8 6.5 20.0 2007 12 31 16 59.90 +16 49.9 6.792 6.159 46.7 6.7 20.1 2008 01 05 17 02.31 +16 36.9 6.780 6.177 48.8 6.9 20.1 2008 01 10 17 04.61 +16 26.1 6.763 6.194 51.2 7.1 20.1 2008 01 15 17 06.78 +16 17.4 6.742 6.212 53.8 7.3 20.1 2008 01 20 17 08.80 +16 10.7 6.717 6.230 56.7 7.6 20.1 2008 01 25 17 10.65 +16 05.9 6.688 6.249 59.7 7.8 20.1 2008 01 30 17 12.33 +16 02.9 6.655 6.267 62.9 8.0 20.1 2008 02 04 17 13.82 +16 01.6 6.619 6.286 66.2 8.2 20.1 2008 02 09 17 15.10 +16 01.9 6.579 6.304 69.6 8.4 20.1 2008 02 14 17 16.16 +16 03.6 6.538 6.323 73.2 8.6 20.1 2008 02 19 17 16.97 +16 06.7 6.493 6.342 76.8 8.7 20.1 2008 02 24 17 17.55 +16 10.9 6.447 6.361 80.6 8.8 20.1 2008 02 29 17 17.86 +16 16.0 6.400 6.380 84.4 8.9 20.1 2008 03 05 17 17.90 +16 21.9 6.352 6.399 88.3 8.9 20.1 2008 03 10 17 17.66 +16 28.4 6.303 6.419 92.2 8.9 20.1 2008 03 15 17 17.13 +16 35.3 6.255 6.438 96.2 8.8 20.1 2008 03 20 17 16.30 +16 42.3 6.207 6.458 100.2 8.7 20.1 2008 03 25 17 15.18 +16 49.1 6.160 6.478 104.2 8.6 20.1 2008 03 30 17 13.76 +16 55.6 6.116 6.497 108.2 8.4 20.1 2008 04 04 17 12.05 +17 01.5 6.073 6.517 112.2 8.2 20.1 2008 04 09 17 10.05 +17 06.4 6.034 6.537 116.1 7.9 20.1 2008 04 14 17 07.77 +17 10.2 5.998 6.558 120.0 7.6 20.1 2008 04 19 17 05.22 +17 12.5 5.967 6.578 123.7 7.3 20.1 2008 04 24 17 02.44 +17 13.1 5.940 6.598 127.3 7.0 20.1 2008 04 29 16 59.43 +17 11.8 5.918 6.619 130.7 6.6 20.1 2008 05 04 16 56.22 +17 08.4 5.902 6.640 133.8 6.3 20.1 2008 05 09 16 52.85 +17 02.6 5.892 6.660 136.5 6.0 20.1 2008 05 14 16 49.35 +16 54.3 5.888 6.681 138.8 5.7 20.1 2008 05 19 16 45.76 +16 43.5 5.891 6.702 140.5 5.5 20.1 2008 05 24 16 42.10 +16 29.9 5.900 6.723 141.6 5.4 20.1 2008 05 29 16 38.43 +16 13.7 5.917 6.744 142.0 5.3 20.1 2008 06 03 16 34.77 +15 54.8 5.940 6.765 141.7 5.3 20.2 2008 06 08 16 31.18 +15 33.3 5.971 6.787 140.7 5.4 20.2 2008 06 13 16 27.67 +15 09.3 6.009 6.808 139.0 5.6 20.2 2008 06 18 16 24.29 +14 42.9 6.053 6.830 136.8 5.8 20.3 2008 06 23 16 21.07 +14 14.4 6.104 6.851 134.2 6.1 20.3 2008 06 28 16 18.03 +13 43.9 6.162 6.873 131.1 6.4 20.3 2008 07 03 16 15.20 +13 11.6 6.225 6.895 127.8 6.7 20.4 2008 07 08 16 12.59 +12 37.8 6.294 6.917 124.2 7.0 20.4 2008 07 13 16 10.22 +12 02.6 6.369 6.939 120.4 7.3 20.4 2008 07 18 16 08.11 +11 26.4 6.448 6.961 116.5 7.5 20.5 2008 07 23 16 06.25 +10 49.3 6.531 6.983 112.5 7.7 20.5