Second (Sidereal) to Shake Converter
Unit Converter
Instant · Precise · Universal
28 units available
6 categories total
How to Convert Second (Sidereal) to Shake
To convert sidereal seconds to solar seconds: multiply by 0.99727. One solar second ≈ 1.00274 sidereal seconds.
1 sidereal second ≈ 0.99727 solar seconds. 86,400 sidereal seconds = 1 sidereal day.
For example, 1 Second (Sidereal) (s (Sid)) = 99726960 Shake (shake).
Second (Sidereal) to Shake — Common Values
| Second (Sidereal) (s (Sid)) | Shake (shake) |
|---|---|
| 0.1 | 9972696 |
| 0.5 | 49863480 |
| 1 | 99726960 |
| 2 | 199453920 |
| 5 | 498634800 |
| 10 | 997269600 |
| 25 | 2493174000 |
| 50 | 4986348000 |
| 100 | 9972696000 |
| 500 | 49863480000 |
| 1000 | 99726960000 |
About Second (Sidereal) (s (Sid))
Definition
The sidereal second is 1/60 of a sidereal minute — approximately 0.99727 solar seconds.
Mathematical Relationship
1 sidereal second ≈ 0.99727 solar seconds. 86,400 sidereal seconds = 1 sidereal day.
Conversion Formula
To convert sidereal seconds to solar seconds: multiply by 0.99727. One solar second ≈ 1.00274 sidereal seconds.
Practical Applications
Telescope tracking motors rotate at sidereal rate (1 revolution per sidereal day) to follow stars across the sky.
Interesting Facts
The difference between sidereal and solar seconds (2.73 ms) seems tiny, but over a day it adds up to the full ~236 s difference.
Common Mistakes
Assuming sidereal seconds equal solar seconds. The ~0.27% difference is critical in precision astronomy.
Educational Tips
Multiply any sidereal time interval by 0.99727 to get the solar equivalent. This ratio stays constant at all time scales.
About Shake (shake)
Definition
A shake is an informal unit of time equal to 10 nanoseconds (10⁻⁸ seconds), used in nuclear physics.
Mathematical Relationship
1 shake = 10 ns = 10⁻⁸ s = 10,000 ps. A nuclear fission event takes about 1 shake.
Conversion Formula
To convert shakes to seconds: multiply by 10⁻⁸. To nanoseconds: multiply by 10.
Practical Applications
Timing nuclear chain reactions, modeling neutron transport in reactors, and nuclear weapon physics calculations.
Interesting Facts
In a nuclear explosion, the chain reaction is complete in about 50–60 shakes (500–600 ns). The name reflects the era's dark humor.
Common Mistakes
Not recognizing 'shake' as a real unit. It's informal but precisely defined and still used in nuclear engineering.
Educational Tips
A 'shake' = 10 nanoseconds. It was invented at Los Alamos to make nuclear timing calculations easier — humor in extreme circumstances.