Constants & Units · constant
Solar mass
M_☉ = 1.988 41 × 10³⁰ kg
- Unit
- kg
- Value
- 1.988 41 × 10³⁰
- Exact
- no
- Note
- The Sun's mass is known far less precisely than GM_☉, because G is the weak link.
- Symbol
- M_☉
- Category
- Astronomical
- Numeric
- 1.98841e+30
- Uncertainty
- ±6 × 10⁻⁵ relative (via G)
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