Occultation of TYC 1856-00745-1 by (87) Sylvia on 2013 Jan 6

Page maintained by Eric Frappa -
Updated : 2013/01/02

On 2013 Jan. 6, the star TYC 1856-00745-1 (Mv = 10.7) is occulted by the minor planet (87) Sylvia and its two satellites Romulus et Remus.
This is one of the best events of 2013, and an excellent opportunity to precise the shape of Sylvia and the orbits of its satellites.

Preston Sylvia update
IMCCE Sylvia page


Last update: Sylvia orbital elements from S. Preston (updated 2012 Dec 31, 20:01 UT - same as Dec 22) Sylvia diameter from ISAM (254 km at the moment of occultation) Star position from PPMXL Satellite position from Miriade (IMCCE) Google Maps for Sylvia (PPMXL) Google Maps for Romulus (PPMXL) Google Maps for Remus (PPMXL)
Sylvia orbital elements from S. Preston (updated 2012 Dec 22, 00:01 UT) Sylvia diameter from ISAM (254 km at the moment of occultation) Star position from UCAC4 Satellite position from Miriade (IMCCE)	Sylvia orbital elements from S. Preston (updated 2012 Dec 22, 00:01 UT) Sylvia diameter from ISAM (254 km at the moment of occultation) Star position from IMCCE (2012/12/01, T60 Les Makes/P. Descamps, J. Berthier) Satellite position from Miriade (IMCCE)

Google Maps for Sylvia (UCAC4) Google Maps for Romulus (UCAC4) Google Maps for Remus (UCAC4)	Google Maps for Sylvia (Makes/IMCCE) Google Maps for Romulus (Makes/IMCCE) Google Maps for Remus (Makes/IMCCE)
previous prediction (Preston, UCAC4 catalogue) first prediction (astorb.dat 2012/01/06, NOMAD catalogue)