@Article{MurciaCarrKuga:2017:OrAtEv,
author = "Murcia, J. O. and Carrara, Valdemir and Kuga, H{\'e}lio Koiti",
affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto
Nacional de Pesquisas Espaciais (INPE)} and {Instituto Nacional de
Pesquisas Espaciais (INPE)}",
title = "Orbital and attitude evolution of SCD-1 and SCD-2 Brazilian
satellites",
journal = "Journal of Physics: Conference Series",
year = "2017",
volume = "911",
pages = "012015",
note = "XVIII Brazilian Colloquium on Orbital Dynamics, 2016",
abstract = "The SCD-1 and SCD-2 satellites were launched in 1993 and 1998,
respectively, with use of the Launcher Pegasus of the OSC (Orbital
Sciences Corporation). 21 and 16 years later, the satellites are
still in orbit around the Earth and providing data for users.
Mission and Operational data from Satellite Tracking Center
Network are stored in mission files in the Satellite Control
Center (SCC) and made available to the users. The SCC also stores
history files of the satellite orbit and attitude ephemeris,
besides the on-board telemetry, temperatures, equipment status,
etc. This work will present some analysis of the orbit ephemeris
evolution based upon the Two-Line Elements sets (TLE´s) obtained
from NORAD (North American Aerospace Defense Command). Attitude
evolution along time is also presented for both satellites from
SCC data. The orbit decay will be explained as resulting mainly
due to the solar activity during the satellite lifetime. This work
aims to report the history of more than 20 years of continuous
operation of SCD-1 and SCD-2. At the end, an estimation of the
orbital decay is forecast with the use of NASAs DAS software.",
doi = "10.1088/1742-6596/911/1/012015",
url = "http://dx.doi.org/10.1088/1742-6596/911/1/012015",
issn = "1742-6588",
language = "en",
targetfile = "murcia_orbital.pdf",
urlaccessdate = "04 maio 2024"
}