What to measure or predict	Formula	How	Is it easy to do?	Knowledge of G or M
Exact solution (strong and weak fields):
Schwarzschild radius	$r_{s} = \frac{R_{L} R_{h} (λ_{h}^{2} - λ_{L}^{2})}{λ_{h}^{2} R_{h} - λ_{L}^{2} R_{L}}$	Light observations only	Yes	No
Gravitational acceleration	$g_{L} = \frac{1}{2} \frac{c^{2} R_{h} (λ_{h}^{2} - λ_{L}^{2})}{λ_{h}^{2} R_{h} R_{L} - λ_{L}^{2} R_{L}^{2}}$	Light observations only	Yes	No
Gravitational acceleration	$g_{h} = \frac{1}{2} \frac{c^{2} R_{L} (λ_{h}^{2} - λ_{L}^{2})}{λ_{h}^{2} R_{h}^{2} - λ_{L}^{2} R_{L} R_{h}}$	Light observations only	Yes	No
Orbital velocity	$v_{o, L} = c \sqrt{\frac{1}{2} \frac{R_{h} (λ_{h}^{2} - λ_{L}^{2})}{λ_{h}^{2} R_{h} - λ_{L}^{2} R_{L}}}$	Light observations only	Yes	No
Orbital velocity	$v_{o, h} = c \sqrt{\frac{1}{2}} \frac{c^{2} R_{L} (λ_{h}^{2} - λ_{L}^{2})}{λ_{h}^{2} R_{h} - λ_{L}^{2} R_{L}}$	Light observations only	Yes	No
Escape velocity	$v_{e, L} = c \sqrt{\frac{R_{h} (λ_{h}^{2} - λ_{L}^{2})}{λ_{h}^{2} R_{h} - λ_{L}^{2} R_{L}}}$	Light observations only	Yes	No
Escape velocity	$v_{e, h} = c \sqrt{\frac{R_{L} (λ_{h}^{2} - λ_{L}^{2})}{λ_{h}^{2} R_{h} - λ_{L}^{2} R_{L}}}$	Light observations only	Yes	No
Time dilation	$t_{2} = t_{1} \sqrt{1 - \frac{R_{h} (λ_{h}^{2} - λ_{L}^{2})}{λ_{h}^{2} R_{h} - λ_{L}^{2} R_{L}}}$	Light observations only	Yes	No
GR bending of light	$δ_{L} = 2 \frac{R_{h} (λ_{h}^{2} - λ_{L}^{2})}{λ_{h}^{2} R_{h} - λ_{L}^{2} R_{L}}$	Light observations only	Yes	No
GR bending of light	$δ_{h} = 2 \frac{R_{L} (λ_{h}^{2} - λ_{L}^{2})}{λ_{h}^{2} R_{h} - λ_{L}^{2} R_{L}}$	Light observations only	Yes	No
Gravitational redshift	$\lim_{R_{h} \to \infty} z (R_{L}) = \frac{1}{2} \frac{R_{h} (λ_{h}^{2} - λ_{L}^{2})}{λ_{h}^{2} R_{h} - λ_{L}^{2} R_{L}}$	Light observations only	Yes	No
Gravitational redshift	$\lim_{R_{h} \to \infty} z (R_{h}) = \frac{1}{2} \frac{R_{L} (λ_{h}^{2} - λ_{L}^{2})}{λ_{h}^{2} R_{h} - λ_{L}^{2} R_{L}}$	Light observations only	Yes	No