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- Kaija Saariaho
Asteroid 4179: Toutatis (2005)
- Chester Music Ltd (World)
Commissioned by Berliner Philharmoniker
- 3(pic).3.3.2(cbn)/6.4.3.1/2timp.3perc/2hp.cel/str
- 4 min
- 26th April 2025, Old Cabell Hall Auditorium UVA, Charlottesville, VA, United States of America
- 27th April 2025, Martin Luther King Jr Performing Arts Center, Charlottesville, VA, United States of America
Programme Note
I first became interested in Toutatis when reading that it is the asteroid whose orbit passes closest to Earth.
When reading more and then seeing pictures of it, I started to find its unusual shape and complex rotation interesting - different areas of it rotate at different speeds. One consequence of this is that Toutatis does not have a fixed north pole like the Earth; instead, its north pole wanders along a curved path on the surface roughly every 5.4 days. The stars viewed from Toutatis wouldn't repeatedly follow circular paths, but would crisscross the sky, never following the same path twice.
So Toutatis doesn't have anything you could call a 'day'. Its rotation is the result of two different types of motion with periods of 5.4 and 7.3 Earth days that combine in such a way that Toutatis' orientation with respect to the solar system never repeats.
All these peculiarities, and the fact that Toutatis already has had many collisions with other heavenly objects, inspired me to write this small work to complete the project that Simon Rattle and the Berlin Philharmonic Orchestra created around The Planets of Holst.
Kaija Saariaho
When reading more and then seeing pictures of it, I started to find its unusual shape and complex rotation interesting - different areas of it rotate at different speeds. One consequence of this is that Toutatis does not have a fixed north pole like the Earth; instead, its north pole wanders along a curved path on the surface roughly every 5.4 days. The stars viewed from Toutatis wouldn't repeatedly follow circular paths, but would crisscross the sky, never following the same path twice.
So Toutatis doesn't have anything you could call a 'day'. Its rotation is the result of two different types of motion with periods of 5.4 and 7.3 Earth days that combine in such a way that Toutatis' orientation with respect to the solar system never repeats.
All these peculiarities, and the fact that Toutatis already has had many collisions with other heavenly objects, inspired me to write this small work to complete the project that Simon Rattle and the Berlin Philharmonic Orchestra created around The Planets of Holst.
Kaija Saariaho
Media
Asteroid 4179 - Toutatis
Scores
Preview the score
Discography
The Planets
- LabelEMI
- Catalogue Number359382-2
- ConductorSir Simon Rattle
- EnsembleBerlin Philharmonic Orchestra / Berlin Radio Choir
