MPC
CBAT
ICQ
P/2007 B1 (Christensen) Epoch 2007 Jan. 20.0 TT = JDT 2454120.5 T 2007 Jan. 19.9570 TT MPC q 2.442772 (2000.0) P Q n 0.0700170 Peri. 46.9058 -0.5525782 -0.8067116 a 5.829978 Node 77.7860 +0.6888335 -0.5835178 e 0.580998 Incl. 12.3752 +0.4692182 -0.0933993 P 14.1 From 118 observations 2007 Jan. 17-Mar. 23, mean residual 0".6.Elements are also available for the current standard epoch:
P/2007 B1 (Christensen) Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 T 2007 Jan. 19.9563 TT MPC q 2.442775 (2000.0) P Q n 0.0700328 Peri. 46.9059 -0.5525794 -0.8067108 a 5.829104 Node 77.7859 +0.6888326 -0.5835186 e 0.580935 Incl. 12.3751 +0.4692181 -0.0934003 P 14.1An 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 m2WARNING! 2007 05 30 09 56.02 +25 19.9 2.753 2.669 74.6 21.5 20.0 2007 06 04 10 03.21 +24 28.8 2.825 2.686 71.7 21.0 20.0 2007 06 09 10 10.49 +23 36.8 2.897 2.703 68.9 20.5 20.1 2007 06 14 10 17.83 +22 44.0 2.968 2.720 66.1 20.0 20.2 2007 06 19 10 25.23 +21 50.4 3.039 2.738 63.3 19.4 20.3 2007 06 24 10 32.66 +20 56.1 3.109 2.756 60.6 18.7 20.4 2007 06 29 10 40.12 +20 01.3 3.179 2.775 57.8 18.1 20.4 2007 07 04 10 47.59 +19 06.1 3.247 2.794 55.1 17.4 20.5 2007 07 09 10 55.07 +18 10.5 3.315 2.813 52.4 16.7 20.6 2007 07 14 11 02.54 +17 14.6 3.381 2.833 49.8 15.9 20.7 2007 07 19 11 10.02 +16 18.5 3.446 2.853 47.1 15.1 20.7 2007 07 24 11 17.48 +15 22.4 3.509 2.873 44.4 14.3 20.8 2007 07 29 11 24.92 +14 26.3 3.571 2.893 41.8 13.5 20.9 2007 08 03 11 32.34 +13 30.3 3.631 2.914 39.1 12.7 20.9 2007 08 08 11 39.74 +12 34.5 3.689 2.936 36.4 11.8 21.0 2007 08 13 11 47.11 +11 38.9 3.745 2.957 33.8 11.0 21.1 2007 08 18 11 54.46 +10 43.7 3.799 2.979 31.1 10.1 21.1 2007 08 23 12 01.78 +09 48.9 3.851 3.001 28.5 9.2 21.2 2007 08 28 12 09.06 +08 54.6 3.900 3.023 25.8 8.4 21.3 2007 09 02 12 16.30 +08 01.0 3.947 3.045 23.2 7.5 21.3 2007 09 07 12 23.51 +07 08.0 3.991 3.068 20.6 6.6 21.4 2007 09 12 12 30.68 +06 15.7 4.033 3.091 18.0 5.8 21.4 2007 09 17 12 37.82 +05 24.3 4.071 3.114 15.5 5.0 21.5 2007 09 22 12 44.90 +04 33.8 4.106 3.137 13.2 4.2 21.5 2007 09 27 12 51.94 +03 44.2 4.139 3.161 11.1 3.5 21.6 2007 10 02 12 58.93 +02 55.7 4.168 3.184 9.4 3.0 21.6 2007 10 07 13 05.87 +02 08.2 4.193 3.208 8.5 2.6 21.7 2007 10 12 13 12.75 +01 22.0 4.215 3.232 8.6 2.7 21.7 2007 10 17 13 19.58 +00 36.9 4.234 3.256 9.7 3.0 21.8 2007 10 22 13 26.33 -00 06.8 4.249 3.280 11.6 3.5 21.8 2007 10 27 13 33.01 -00 49.1 4.260 3.304 13.9 4.2 21.8 2007 11 01 13 39.62 -01 30.0 4.268 3.329 16.6 4.9 21.9 2007 11 06 13 46.14 -02 09.5 4.272 3.353 19.4 5.6 21.9 2007 11 11 13 52.57 -02 47.5 4.272 3.378 22.4 6.4 21.9 2007 11 16 13 58.89 -03 23.8 4.268 3.402 25.5 7.2 22.0 2007 11 21 14 05.11 -03 58.5 4.260 3.427 28.7 8.0 22.0 2007 11 26 14 11.20 -04 31.5 4.249 3.452 32.0 8.7 22.0 2007 12 01 14 17.17 -05 02.8 4.234 3.477 35.4 9.5 22.0 2007 12 06 14 22.99 -05 32.4 4.215 3.502 38.8 10.2 22.1 2007 12 11 14 28.65 -06 00.2 4.192 3.527 42.3 10.8 22.1 2007 12 16 14 34.15 -06 26.1 4.166 3.552 45.9 11.5 22.1 2007 12 21 14 39.45 -06 50.2 4.137 3.577 49.5 12.1 22.1 2007 12 26 14 44.56 -07 12.4 4.105 3.602 53.2 12.6 22.1 2007 12 31 14 49.44 -07 32.7 4.069 3.628 57.0 13.1 22.1 2008 01 05 14 54.10 -07 51.2 4.030 3.653 60.8 13.6 22.2 2008 01 10 14 58.50 -08 07.7 3.989 3.678 64.7 14.0 22.2 2008 01 15 15 02.63 -08 22.4 3.946 3.704 68.7 14.3 22.2 2008 01 20 15 06.46 -08 35.1 3.900 3.729 72.8 14.6 22.2 2008 01 25 15 09.98 -08 46.0 3.853 3.754 76.9 14.8 22.2 2008 01 30 15 13.18 -08 55.0 3.804 3.780 81.1 14.9 22.2 2008 02 04 15 16.02 -09 02.2 3.755 3.805 85.4 15.0 22.2 2008 02 09 15 18.49 -09 07.6 3.704 3.831 89.8 14.9 22.2 2008 02 14 15 20.57 -09 11.3 3.654 3.856 94.3 14.8 22.2 2008 02 19 15 22.25 -09 13.3 3.604 3.881 98.9 14.6 22.2 2008 02 24 15 23.50 -09 13.7 3.554 3.907 103.6 14.3 22.2 2008 02 29 15 24.33 -09 12.5 3.507 3.932 108.3 13.8 22.2 2008 03 05 15 24.71 -09 09.9 3.461 3.958 113.2 13.3 22.2 2008 03 10 15 24.65 -09 06.0 3.417 3.983 118.1 12.7 22.2 2008 03 15 15 24.15 -09 00.8 3.377 4.008 123.2 12.0 22.2 2008 03 20 15 23.21 -08 54.6 3.340 4.034 128.3 11.2 22.2 2008 03 25 15 21.85 -08 47.5 3.308 4.059 133.5 10.3 22.2 2008 03 30 15 20.10 -08 39.7 3.280 4.084 138.7 9.3 22.2 2008 04 04 15 17.98 -08 31.3 3.258 4.110 144.0 8.2 22.2 2008 04 09 15 15.53 -08 22.6 3.242 4.135 149.3 7.1 22.2 2008 04 14 15 12.79 -08 13.9 3.232 4.160 154.6 5.9 22.2 2008 04 19 15 09.83 -08 05.3 3.229 4.185 159.7 4.8 22.3 2008 04 24 15 06.69 -07 57.1 3.232 4.211 164.6 3.6 22.3 2008 04 29 15 03.44 -07 49.5 3.243 4.236 168.7 2.7 22.3 2008 05 04 15 00.14 -07 42.8 3.262 4.261 171.0 2.1 22.4 2008 05 09 14 56.85 -07 37.2 3.288 4.286 170.1 2.3 22.4 2008 05 14 14 53.64 -07 32.8 3.321 4.311 166.6 3.1 22.5 2008 05 19 14 50.57 -07 29.9 3.362 4.336 162.1 4.1 22.5 2008 05 24 14 47.68 -07 28.5 3.409 4.361 157.2 5.2 22.6 2008 05 29 14 45.02 -07 28.8 3.464 4.386 152.2 6.2 22.6 2008 06 03 14 42.63 -07 30.8 3.524 4.410 147.1 7.2 22.7 2008 06 08 14 40.53 -07 34.5 3.591 4.435 142.0 8.1 22.7 2008 06 13 14 38.77 -07 40.0 3.664 4.460 137.0 8.9 22.8 2008 06 18 14 37.34 -07 47.1 3.741 4.485 132.0 9.7 22.9 2008 06 23 14 36.26 -07 56.0 3.823 4.509 127.1 10.4 23.0 2008 06 28 14 35.52 -08 06.4 3.909 4.534 122.3 10.9 23.0 2008 07 03 14 35.14 -08 18.3 3.998 4.558 117.5 11.4 23.1This comet gets close to the sun during the period covered in the ephemeris below. Observers are warned to be wary of observing comets near the sun. NEVER point any kind of optical instrument at the sun--instant blindness will be the probable result.