La Cañada Observatory, is an initiative by Juan Lacruz, the observatory started astrometric operations in the summer of 2002, it is registered as station J87 in the Minor Planet Center of the International Astronomical Union.

The Observatory also participates in the studies on minor bodies promoted by the Group on Meteorites, Minor Bodies, and Planetary Sciences of the Institute of Space Sciences (CSIC-IEEC).



Thursday, August 4, 2011

Orbit for 2011 OJ18

The last observations allowed an orbit to be published by the MPC

2011 OJ18

Epoch 2011 July 18.0 TT = JDT 2455760.5
a 2.6515873
e 0.0768307
i 13.46677
From 12 observations 2011 July 24-Aug. 4.
Residuals
20110724 *J87 0.3- 0.4+ 20110730 J87 0.2+ 0.1- 20110730 J87 0.1+ 0.3-
20110724 J87 0.1- 0.1- 20110730 J87 0.0- 0.3+ 20110803 J87 0.0- 0.2-
20110724 J87 0.3+ 0.3- 20110730 J87 0.0+ 0.1- 20110804 J87 0.1- 0.1+
20110730 J87 0.3- 0.4+ 20110730 J87 0.0 0.2- 20110804 J87 0.1+ 0.1+