MPC
CBAT
ICQ
50P/Arend
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5
T 2007 Nov. 1.1859 TT MPC
q 1.924347 (2000.0) P Q
n 0.1192532 Peri. 49.0424 +0.7113408 -0.7023406
a 4.087797 Node 355.3357 +0.5048741 +0.5370184
e 0.529246 Incl. 19.1550 +0.4889748 +0.4672569
P 8.26
From 139 observations 1975-2007, mean residual 0".7. Nongravitational
parameters A1 = +0.11, A2 = -0.0161.
Elements are also available for the current standard epoch:
50P/Arend Epoch 2008 May 14.0 TT = JDT 2454600.5 T 2007 Nov. 1.1819 TT MPC q 1.924281 (2000.0) P Q n 0.1192322 Peri. 49.0430 +0.7113910 -0.7022887 a 4.088276 Node 355.3306 +0.5048217 +0.5370690 e 0.529317 Incl. 19.1551 +0.4889560 +0.4672767 P 8.27An 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! 2008 06 13 07 53.97 +32 25.9 3.484 2.699 33.8 12.1 18.7 22.6 2008 06 18 08 03.53 +31 44.4 3.542 2.725 31.2 11.1 18.8 22.6 2008 06 23 08 12.91 +31 02.1 3.599 2.751 28.7 10.2 18.9 22.6 2008 06 28 08 22.11 +30 19.0 3.653 2.778 26.2 9.3 19.0 22.7 2008 07 03 08 31.12 +29 35.2 3.705 2.804 23.7 8.4 19.1 22.7 2008 07 08 08 39.96 +28 50.8 3.754 2.830 21.2 7.5 19.2 22.7 2008 07 13 08 48.61 +28 06.0 3.800 2.857 18.8 6.6 19.2 22.7 2008 07 18 08 57.09 +27 20.7 3.844 2.883 16.4 5.7 19.3 22.7 2008 07 23 09 05.39 +26 35.1 3.884 2.910 14.2 4.9 19.4 22.7 2008 07 28 09 13.51 +25 49.3 3.922 2.937 12.1 4.2 19.5 22.7 2008 08 02 09 21.47 +25 03.3 3.956 2.963 10.4 3.5 19.6 22.7 2008 08 07 09 29.26 +24 17.3 3.986 2.990 9.2 3.1 19.6 22.7 2008 08 12 09 36.89 +23 31.3 4.013 3.016 8.8 3.0 19.7 22.7 2008 08 17 09 44.34 +22 45.4 4.037 3.043 9.4 3.1 19.8 22.8 2008 08 22 09 51.62 +21 59.6 4.057 3.069 10.7 3.5 19.8 22.8 2008 08 27 09 58.75 +21 14.2 4.073 3.096 12.7 4.1 19.9 22.9 2008 09 01 10 05.70 +20 29.1 4.086 3.122 15.0 4.8 20.0 22.9 2008 09 06 10 12.49 +19 44.4 4.094 3.148 17.6 5.5 20.0 23.0 2008 09 11 10 19.11 +19 00.3 4.099 3.175 20.3 6.3 20.1 23.1 2008 09 16 10 25.55 +18 16.8 4.100 3.201 23.2 7.1 20.1 23.1 2008 09 21 10 31.82 +17 34.0 4.097 3.227 26.2 7.9 20.2 23.2 2008 09 26 10 37.92 +16 52.0 4.090 3.253 29.4 8.7 20.2 23.2 2008 10 01 10 43.83 +16 10.9 4.079 3.279 32.5 9.5 20.3 23.3 2008 10 06 10 49.55 +15 30.7 4.064 3.305 35.8 10.2 20.3 23.3 2008 10 11 10 55.07 +14 51.7 4.045 3.331 39.2 10.9 20.4 23.3 2008 10 16 11 00.39 +14 13.8 4.022 3.357 42.6 11.6 20.4 23.4 2008 10 21 11 05.49 +13 37.1 3.996 3.383 46.1 12.2 20.4 23.4 2008 10 26 11 10.38 +13 01.8 3.966 3.409 49.7 12.9 20.5 23.4 2008 10 31 11 15.02 +12 28.0 3.933 3.434 53.4 13.4 20.5 23.4 2008 11 05 11 19.42 +11 55.8 3.896 3.460 57.1 13.9 20.5 23.4 2008 11 10 11 23.56 +11 25.3 3.857 3.485 60.9 14.4 20.6 23.5 2008 11 15 11 27.42 +10 56.6 3.814 3.510 64.9 14.8 20.6 23.5 2008 11 20 11 30.99 +10 29.7 3.769 3.536 68.9 15.1 20.6 23.5 2008 11 25 11 34.25 +10 04.8 3.722 3.561 73.0 15.4 20.6 23.5 2008 11 30 11 37.19 +09 42.0 3.673 3.586 77.2 15.6 20.6 23.5 2008 12 05 11 39.77 +09 21.5 3.622 3.611 81.5 15.7 20.7 23.4 2008 12 10 11 41.98 +09 03.2 3.570 3.636 85.9 15.7 20.7 23.4 2008 12 15 11 43.81 +08 47.3 3.517 3.660 90.5 15.6 20.7 23.4 2008 12 20 11 45.24 +08 33.8 3.465 3.685 95.1 15.4 20.7 23.4 2008 12 25 11 46.24 +08 22.9 3.412 3.709 99.9 15.1 20.7 23.3 2008 12 30 11 46.80 +08 14.5 3.360 3.734 104.8 14.8 20.7 23.3 2009 01 04 11 46.90 +08 08.6 3.310 3.758 109.8 14.3 20.7 23.3 2009 01 09 11 46.54 +08 05.3 3.262 3.782 114.9 13.6 20.7 23.2 2009 01 14 11 45.72 +08 04.4 3.216 3.806 120.1 12.9 20.7 23.2 2009 01 19 11 44.42 +08 05.9 3.174 3.830 125.5 12.1 20.8 23.2 2009 01 24 11 42.67 +08 09.7 3.136 3.854 131.0 11.1 20.8 23.1 2009 01 29 11 40.47 +08 15.5 3.103 3.878 136.6 10.1 20.8 23.1 2009 02 03 11 37.86 +08 23.1 3.075 3.901 142.2 8.9 20.8 23.0 2009 02 08 11 34.86 +08 32.1 3.053 3.925 148.0 7.7 20.8 22.9 2009 02 13 11 31.54 +08 42.3 3.038 3.948 153.8 6.3 20.9 22.9 2009 02 18 11 27.95 +08 53.4 3.030 3.971 159.6 5.0 20.9 22.8 2009 02 23 11 24.14 +09 04.8 3.029 3.994 165.4 3.6 20.9 22.8 2009 02 28 11 20.19 +09 16.2 3.036 4.017 171.0 2.2 21.0 22.7 2009 03 05 11 16.18 +09 27.2 3.051 4.040 175.3 1.2 21.0 22.6 2009 03 10 11 12.18 +09 37.4 3.074 4.063 174.1 1.4 21.1 22.7 2009 03 15 11 08.27 +09 46.5 3.104 4.085 169.2 2.6 21.1 22.8 2009 03 20 11 04.51 +09 54.2 3.143 4.108 163.6 3.9 21.2 22.9 2009 03 25 11 00.97 +10 00.2 3.189 4.130 158.0 5.2 21.3 23.0 2009 03 30 10 57.71 +10 04.5 3.242 4.153 152.3 6.4 21.3 23.1 2009 04 04 10 54.77 +10 06.8 3.302 4.175 146.8 7.5 21.4 23.2 2009 04 09 10 52.19 +10 07.0 3.368 4.197 141.3 8.6 21.5 23.3 2009 04 14 10 49.99 +10 05.2 3.440 4.218 135.9 9.5 21.6 23.4 2009 04 19 10 48.18 +10 01.4 3.517 4.240 130.7 10.4 21.6 23.5 2009 04 24 10 46.78 +09 55.6 3.598 4.262 125.5 11.1 21.7 23.6 2009 04 29 10 45.78 +09 47.8 3.684 4.283 120.5 11.7 21.8 23.7 2009 05 04 10 45.18 +09 38.1 3.773 4.305 115.5 12.2 21.9 23.8 2009 05 09 10 44.97 +09 26.7 3.864 4.326 110.7 12.6 22.0 23.9 2009 05 14 10 45.13 +09 13.5 3.958 4.347 106.0 12.9 22.1 23.9 2009 05 19 10 45.65 +08 58.8 4.054 4.368 101.4 13.1 22.1 24.0 2009 05 24 10 46.50 +08 42.5 4.150 4.389 96.9 13.2 22.2 24.1 2009 05 29 10 47.67 +08 24.7 4.248 4.409 92.5 13.3 22.3 24.1 2009 06 03 10 49.13 +08 05.6 4.345 4.430 88.1 13.2 22.4 24.2 2009 06 08 10 50.88 +07 45.3 4.443 4.450 83.9 13.1 22.5 24.2 2009 06 13 10 52.87 +07 23.8 4.539 4.471 79.7 12.9 22.5 24.3 2009 06 18 10 55.10 +07 01.1 4.635 4.491 75.6 12.7 22.6 24.3 2009 06 23 10 57.55 +06 37.5 4.729 4.511 71.5 12.3 22.7 24.4 2009 06 28 11 00.19 +06 12.8 4.821 4.531 67.5 12.0 22.8 24.4 2009 07 03 11 03.02 +05 47.3 4.912 4.551 63.6 11.5 22.8 24.5 2009 07 08 11 06.01 +05 20.9 4.999 4.571 59.7 11.1 22.9 24.5 2009 07 13 11 09.15 +04 53.8 5.084 4.590 55.8 10.6 23.0 24.5 2009 07 18 11 12.42 +04 25.9 5.166 4.610 51.9 10.0 23.0 24.5This 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.
