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A new tool for satellite re-entry predictions

Record type: Conference or Workshop Item (Poster)

Satellite drag data plays an important role in the estimation of atmospheric density and the study of thermospheric cooling and contraction. There are many ways of calculating atmospheric density, but inferring thermospheric density from satellite drag data is a relatively cost-effective way of gathering in-situ measurements. Given an initial satellite orbit, one approach is to use an orbital propagator to predict the satellite’s state at some time ahead and then to compare that state with the Two-Line Element (TLE) data at the same epoch. The difference between the mean motions from consecutive TLE sets is calculated then compared to results obtained from the orbital propagator. From this an estimate of global average density can then be calculated. The validation of a new orbital propagator that will be used for this purpose is the primary focus of this paper. Here, the validation takes the form of re-entry prediction for decaying satellites.

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Citation

Saunders, A., Lewis, H.G. and Swinerd, G.G. (2009) A new tool for satellite re-entry predictions At Fifth European Conference on Space Debris. 30 Mar - 02 Apr 2009. 6 pp.

More information

Published date: September 2009
Venue - Dates: Fifth European Conference on Space Debris, 2009-03-30 - 2009-04-02
Organisations: Astronautics Group

Identifiers

Local EPrints ID: 68971
URI: http://eprints.soton.ac.uk/id/eprint/68971
PURE UUID: 437dc711-d1d0-4efb-acc0-d10251af5e9e

Catalogue record

Date deposited: 13 Oct 2009
Last modified: 19 Jul 2017 00:15

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Contributors

Author: A. Saunders
Author: H.G. Lewis
Author: G.G. Swinerd

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