Download ERS-1 precise (DGM-E04) orbits

Last update: Tue 6 Sep 1999
Precise orbits are available for the life of ERS-1 until the end of the Tandem Mission (6 June 1996).

DEOS precise ERS-1 orbits are based on the DGM-E04 gravity field model and SLR and OPR2 altimeter crossovers and normal points. Because of the delay of the availability of OPR2 data these orbits are available in about 4 month after real time.

The orbits can be downloaded from the DEOS or NOAA ftp servers. The orbits are stored as separate ODR files. Downloading of these files by normal FTP is more practical if you experience bad connections.

Please acknowledge the fact that you have been using the orbits of the Delft Institute for Earth-Oriented Space Research in any publication that is the result of it.
You may cite R. Scharroo and P. N. A. M. Visser, Precise orbit determination and gravity field improvement for the ERS satellites, J. Geophys. Res., 103, C4, 8113-8127, 1998.

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DEOS Home This page was created by Remko Scharroo,
It is currently maintained by Eelco Doornbos,