(116) Sirona
Orbital Elements
The following orbital elements are taken from MPO 595(116) Sirona Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Goffin M 251.17048 (2000.0) P Q n 0.21398143 Peri. 93.22568 -0.92088089 -0.38579364 a 2.7683351 Node 64.08741 +0.32834210 -0.84505439 e 0.1393029 Incl. 3.57273 +0.21016624 -0.37019772 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.
Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2001 11 27 06 29.54 +25 13.1 1.714 2.604 148.1 11.6 11.8 2001 12 02 06 26.30 +25 24.1 1.676 2.597 153.8 9.6 11.6 2001 12 07 06 22.44 +25 35.0 1.643 2.590 159.7 7.6 11.5 2001 12 12 06 18.02 +25 45.5 1.618 2.584 165.7 5.4 11.4 2001 12 17 06 13.18 +25 55.2 1.599 2.577 171.7 3.1 11.2 2001 12 22 06 08.08 +26 03.8 1.587 2.570 176.9 1.2 11.0 2001 12 27 06 02.89 +26 11.2 1.583 2.564 174.6 2.1 11.1 2002 01 01 05 57.78 +26 17.1 1.585 2.557 168.8 4.3 11.2 2002 01 06 05 52.91 +26 21.5 1.595 2.551 162.7 6.6 11.4
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