RelativeManeuver.java

/* Copyright 2002-2026 CS GROUP
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 * CS licenses this file to You under the Apache License, Version 2.0
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 *
 *   http://www.apache.org/licenses/LICENSE-2.0
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package org.orekit.propagation.relative.maneuver;

import org.hipparchus.geometry.euclidean.threed.Vector3D;
import org.orekit.orbits.Orbit;
import org.orekit.propagation.events.DetectorModifier;
import org.orekit.propagation.relative.RelativeProvider;

/**
 * Interface for implementing an impulse Relative Maneuver.
 * <p>Relative maneuvers are added to the target S/C propagator, but applied to the chaser S/C whose trajectory is
 * modeled via a {@link org.orekit.propagation.relative.RelativeProvider RelativeProvider}.</p>
 *
 * @author Romain Cuvillon
 * @since 14.0
 */
public interface RelativeManeuver extends DetectorModifier {

    /** Getter for the ΔV vector of the maneuver.
     *
     * @return The ΔV vector of the maneuver, expressed in the target spacecraft's LOF.
     */
    Vector3D getDeltaV();

    /** Getter for the relative provider.
     *
     * @return relative motion provider.
     */
    RelativeProvider getRelativeProvider();

    /** Reset True Anomaly of the target orbit in the provider to the true anomaly of the last target state.
     * <br>
     * It keeps the same orbit but modifies the true anomaly. Useful only for Yamanaka-Ankersen model. Do nothing if CW.
     *
     * @param orbit orbit of the target.
     */
    default void resetTrueAnomalyAtManeuver(final Orbit orbit) {
    }
}