True Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity Solution

STEP 0: Pre-Calculation Summary
Formula Used
True Anomaly in Elliptical Orbit = 2*atan(sqrt((1+Eccentricity of Elliptical Orbit)/(1-Eccentricity of Elliptical Orbit))*tan(Eccentric Anomaly/2))
θe = 2*atan(sqrt((1+ee)/(1-ee))*tan(E/2))
This formula uses 3 Functions, 3 Variables
Functions Used
tan - The tangent of an angle is a trigonometric ratio of the length of the side opposite an angle to the length of the side adjacent to an angle in a right triangle., tan(Angle)
atan - Inverse tan is used to calculate the angle by applying the tangent ratio of the angle, which is the opposite side divided by the adjacent side of the right triangle., atan(Number)
sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)
Variables Used
True Anomaly in Elliptical Orbit - (Measured in Radian) - True Anomaly in Elliptical Orbit measures the angle between the object's current position and the perigee (the point of closest approach to the central body) when viewed from the focus of the orbit.
Eccentricity of Elliptical Orbit - Eccentricity of Elliptical Orbit is a measure of how stretched or elongated the orbit's shape is.
Eccentric Anomaly - (Measured in Radian) - The Eccentric Anomaly is an angular parameter that defines the position of a body that is moving along an Kepler orbit.
STEP 1: Convert Input(s) to Base Unit
Eccentricity of Elliptical Orbit: 0.6 --> No Conversion Required
Eccentric Anomaly: 100.874 Degree --> 1.76058342965643 Radian (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
θe = 2*atan(sqrt((1+ee)/(1-ee))*tan(E/2)) --> 2*atan(sqrt((1+0.6)/(1-0.6))*tan(1.76058342965643/2))
Evaluating ... ...
θe = 2.35810919059733
STEP 3: Convert Result to Output's Unit
2.35810919059733 Radian -->135.109704252263 Degree (Check conversion ​here)
FINAL ANSWER
135.109704252263 135.1097 Degree <-- True Anomaly in Elliptical Orbit
(Calculation completed in 00.020 seconds)

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Created by Harsh Raj
Indian Institute of Technology, Kharagpur (IIT KGP), West Bengal
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Orbital Position as Function of Time Calculators

Eccentric Anomaly in Elliptic Orbit given True Anomaly and Eccentricity
​ LaTeX ​ Go Eccentric Anomaly = 2*atan(sqrt((1-Eccentricity of Elliptical Orbit)/(1+Eccentricity of Elliptical Orbit))*tan(True Anomaly in Elliptical Orbit/2))
True Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity
​ LaTeX ​ Go True Anomaly in Elliptical Orbit = 2*atan(sqrt((1+Eccentricity of Elliptical Orbit)/(1-Eccentricity of Elliptical Orbit))*tan(Eccentric Anomaly/2))
Mean Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity
​ LaTeX ​ Go Mean Anomaly in Elliptical Orbit = Eccentric Anomaly-Eccentricity of Elliptical Orbit*sin(Eccentric Anomaly)
Time since Periapsis in Elliptic Orbit given Mean Anomaly
​ LaTeX ​ Go Time since Periapsis in Elliptical Orbit = Mean Anomaly in Elliptical Orbit*Time Period of Elliptic Orbit/(2*pi)

True Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity Formula

​LaTeX ​Go
True Anomaly in Elliptical Orbit = 2*atan(sqrt((1+Eccentricity of Elliptical Orbit)/(1-Eccentricity of Elliptical Orbit))*tan(Eccentric Anomaly/2))
θe = 2*atan(sqrt((1+ee)/(1-ee))*tan(E/2))

What is Eccentric Anomaly ?

The eccentric anomaly, E, is the angle between the direction of periapsis and the current position of an object on its orbit, projected onto the ellipse's Page 10 circumscribing circle perpendicularly to the major axis, measured at the center of the ellipse.

How to Calculate True Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity?

True Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity calculator uses True Anomaly in Elliptical Orbit = 2*atan(sqrt((1+Eccentricity of Elliptical Orbit)/(1-Eccentricity of Elliptical Orbit))*tan(Eccentric Anomaly/2)) to calculate the True Anomaly in Elliptical Orbit, True Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity formula is defined as a measure of the angle between the current position of an object in its elliptical orbit and the point of closest approach to the central body. True Anomaly in Elliptical Orbit is denoted by θe symbol.

How to calculate True Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity using this online calculator? To use this online calculator for True Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity, enter Eccentricity of Elliptical Orbit (ee) & Eccentric Anomaly (E) and hit the calculate button. Here is how the True Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity calculation can be explained with given input values -> 7746.401 = 2*atan(sqrt((1+0.6)/(1-0.6))*tan(1.76058342965643/2)).

FAQ

What is True Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity?
True Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity formula is defined as a measure of the angle between the current position of an object in its elliptical orbit and the point of closest approach to the central body and is represented as θe = 2*atan(sqrt((1+ee)/(1-ee))*tan(E/2)) or True Anomaly in Elliptical Orbit = 2*atan(sqrt((1+Eccentricity of Elliptical Orbit)/(1-Eccentricity of Elliptical Orbit))*tan(Eccentric Anomaly/2)). Eccentricity of Elliptical Orbit is a measure of how stretched or elongated the orbit's shape is & The Eccentric Anomaly is an angular parameter that defines the position of a body that is moving along an Kepler orbit.
How to calculate True Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity?
True Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity formula is defined as a measure of the angle between the current position of an object in its elliptical orbit and the point of closest approach to the central body is calculated using True Anomaly in Elliptical Orbit = 2*atan(sqrt((1+Eccentricity of Elliptical Orbit)/(1-Eccentricity of Elliptical Orbit))*tan(Eccentric Anomaly/2)). To calculate True Anomaly in Elliptic Orbit given Eccentric Anomaly and Eccentricity, you need Eccentricity of Elliptical Orbit (ee) & Eccentric Anomaly (E). With our tool, you need to enter the respective value for Eccentricity of Elliptical Orbit & Eccentric Anomaly and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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