(17) Thetis
Orbital Elements
The following orbital elements are taken from MPC 38747:(17) Thetis Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 Williams M 266.75171 (2000.0) P Q n 0.25393581 Peri. 136.04882 -0.14241679 +0.98663622 a 2.4697524 Node 125.60824 -0.93289154 -0.10706892 e 0.1345052 Incl. 5.58755 -0.33080331 -0.12282186 P 3.88 H 7.76 G 0.15 U 0 From 869 observations at 73 oppositions, 1853-1999, mean residual 0".88.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 06 09 53.63 +13 44.4 1.829 2.653 139.3 14.0 12.0 2007 01 11 09 51.59 +14 06.4 1.781 2.648 145.0 12.3 11.9 2007 01 16 09 48.88 +14 32.2 1.739 2.642 150.8 10.5 11.7 2007 01 21 09 45.57 +15 01.1 1.702 2.636 156.8 8.4 11.6 2007 01 26 09 41.72 +15 32.6 1.673 2.630 162.9 6.3 11.5 2007 01 31 09 37.44 +16 05.8 1.650 2.624 169.1 4.1 11.3 2007 02 05 09 32.83 +16 39.9 1.634 2.617 175.1 1.8 11.1 2007 02 10 09 28.04 +17 14.0 1.625 2.611 177.1 1.1 11.1 2007 02 15 09 23.20 +17 47.2 1.624 2.605 171.5 3.2 11.2 2007 02 20 09 18.47 +18 18.6 1.630 2.598 165.3 5.5 11.3 2007 02 25 09 14.02 +18 47.5 1.643 2.592 159.2 7.8 11.5 2007 03 02 09 09.96 +19 13.3 1.662 2.585 153.1 10.0 11.6 2007 03 07 09 06.43 +19 35.7 1.688 2.579 147.2 12.0 11.7 2007 03 12 09 03.50 +19 54.3 1.719 2.572 141.5 13.9 11.8
