/**
 * @author @thkruz Theodore Kruczek
 * @license AGPL-3.0-or-later
 * @copyright (c) 2025 Kruczek Labs LLC
 *
 * Orbital Object ToolKit is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Affero General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * Orbital Object ToolKit is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License along with
 * Orbital Object ToolKit. If not, see <http://www.gnu.org/licenses/>.
 */
import { EpochUTC, J2000, Kilometers, Vector3D } from '../main.js';
/**
 * Herrik-Gibbs 3-position initial orbit determination.
 *
 * Possibly better than regular Gibbs IOD for closely spaced position
 * vectors (less than 5°).
 */
export declare class HerrickGibbsIOD {
    mu: number;
    /**
     * Create a new [HerrickGibbsIOD] object with optional
     * gravitational parameter [mu].
     * @param mu Gravitational parameter (default: Earth.mu)
     */
    constructor(mu?: number);
    solve(r1: Vector3D, t1: EpochUTC, r2: Vector3D<Kilometers>, t2: EpochUTC, r3: Vector3D, t3: EpochUTC): J2000;
}