(116) Sirona
Orbital Elements
The following orbital elements are taken from MPO 595(116) Sirona Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 Goffin M 1.65651 (2000.0) P Q n 0.21389503 Peri. 93.13306 -0.91990851 -0.38811855 a 2.7690806 Node 64.03538 +0.33050169 -0.84420103 e 0.1374327 Incl. 3.56900 +0.21103782 -0.36971424 P 4.61 H 7.82 G 0.15 U 0 From 460 observations at 61 oppositions, 1871-1999, mean residual 0".56.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.
Ephemeris
The following ephemeris is at intervals of five days. A daily ephemeris covering the same time interval is also available.Personalized ephemerides for this object (and others) can be generated using the MPES.
Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2007 01 01 10 12.76 +16 12.1 1.660 2.418 130.6 18.0 11.8 2007 01 06 10 12.62 +16 24.9 1.611 2.415 135.7 16.5 11.7 2007 01 11 10 11.75 +16 41.5 1.566 2.412 141.1 14.9 11.5 2007 01 16 10 10.14 +17 01.5 1.526 2.409 146.5 13.0 11.4 2007 01 21 10 07.82 +17 24.4 1.492 2.406 152.2 11.0 11.3 2007 01 26 10 04.85 +17 49.5 1.463 2.404 157.9 8.9 11.2 2007 01 31 10 01.32 +18 16.0 1.441 2.402 163.6 6.7 11.0 2007 02 05 09 57.34 +18 43.0 1.425 2.400 169.0 4.5 10.9 2007 02 10 09 53.03 +19 09.4 1.415 2.398 173.3 2.8 10.8 2007 02 15 09 48.56 +19 34.3 1.412 2.396 173.3 2.8 10.8 2007 02 20 09 44.09 +19 56.9 1.417 2.395 169.0 4.5 10.9 2007 02 25 09 39.79 +20 16.2 1.427 2.393 163.6 6.7 11.0 2007 03 02 09 35.82 +20 31.8 1.445 2.392 157.9 9.0 11.1 2007 03 07 09 32.31 +20 43.2 1.468 2.391 152.2 11.1 11.2 2007 03 12 09 29.38 +20 50.3 1.497 2.390 146.7 13.2 11.4 2007 03 17 09 27.11 +20 53.1 1.531 2.389 141.3 15.1 11.5 2007 03 22 09 25.55 +20 51.6 1.570 2.389 136.0 16.8 11.6 2007 03 27 09 24.75 +20 46.0 1.613 2.389 131.0 18.4 11.7 2007 04 01 09 24.70 +20 36.5 1.659 2.389 126.1 19.8 11.8
