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Perigee Heights Formula

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Perigee height refers to the lowest point in the satellite's orbit above the Earth's surface. It is commonly measured in kilometers or miles. Check FAQs

H p = r perigee - [Earth-R]

H_p - Perigee Height?r_perigee - Perigee Radius?[Earth-R] - Earth mean radius?

Perigee Heights Example

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With units

Only example

Here is how the Perigee Heights equation looks like with Values.

Here is how the Perigee Heights equation looks like with Units.

Here is how the Perigee Heights equation looks like.

580.9912 = 6952 - 6371.0088

580.9912km = 6952km - 6371.0088km

580.9912 = 6952 - 6371.0088

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Perigee Heights Solution

Follow our step by step solution on how to calculate Perigee Heights?

FIRST Step Consider the formula

H p = r perigee - [Earth-R]

Next Step Substitute values of Variables

∴

H p = 6952km - [Earth-R]

Next Step Substitute values of Constants

∴

H p = 6952km - 6371.0088km

Next Step Convert Units

∴

H p = 7E+6m - 6371.0088km

Next Step Prepare to Evaluate

∴

H p = 7E+6 - 6371.0088

Next Step Evaluate

∴

H p = 580991.2m

LAST Step Convert to Output's Unit

∴

H p = 580.9912km

Perigee Heights Formula Elements

Variables

Constants

Perigee Height

Perigee height refers to the lowest point in the satellite's orbit above the Earth's surface. It is commonly measured in kilometers or miles.

Symbol: H_p

Measurement: LengthUnit: km

Note: Value should be greater than 0.

Formulas to find Perigee Height

Perigee Radius

Perigee Radius refers to the distance between the center of the Earth and the point in a satellite's orbit that is closest to the Earth's surface.

Symbol: r_perigee

Measurement: LengthUnit: km

Note: Value should be greater than 6372.

Formulas to find Perigee Radius

Earth mean radius

Earth mean radius represents the average distance from the Earth's center to any point on its surface, providing a single value to characterize the size of the Earth.

Symbol: [Earth-R]

Value: 6371.0088 km

Other formulas in Geostationary Orbit category

Go Angle of Elevation

∠θ el = ∠θ R - ∠θ tilt - λ e

Go Angle of Tilt

∠θ tilt = ∠θ R - ∠θ el - λ e

Go Satellite Geostationary Radius

R gso = {(\frac{[GM.Earth] \cdot P day}{4 \cdot π^{2}})}^{\frac{1}{3}}

Go Geostationary Height

H gso = R gso - [Earth-R]

How to Evaluate Perigee Heights?

Perigee Heights evaluator uses Perigee Height = Perigee Radius-[Earth-R] to evaluate the Perigee Height, The Perigee Heights formula also known as perigee altitude, refers to the minimum height or distance above the Earth's surface that an object reaches in its orbit around the Earth. Perigee Height is denoted by H_p symbol.

How to evaluate Perigee Heights using this online evaluator? To use this online evaluator for Perigee Heights, enter Perigee Radius (r_perigee) and hit the calculate button.

FAQs on Perigee Heights

What is the formula to find Perigee Heights?

The formula of Perigee Heights is expressed as Perigee Height = Perigee Radius-[Earth-R]. Here is an example- 0.580991 = 6952000-[Earth-R].

How to calculate Perigee Heights?

With Perigee Radius (r_perigee) we can find Perigee Heights using the formula - Perigee Height = Perigee Radius-[Earth-R]. This formula also uses Earth mean radius constant(s).

Can the Perigee Heights be negative?

No, the Perigee Heights, measured in Length cannot be negative.

Which unit is used to measure Perigee Heights?

Perigee Heights is usually measured using the Kilometer[km] for Length. Meter[km], Millimeter[km], Decimeter[km] are the few other units in which Perigee Heights can be measured.

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