Results 1 to 10 of about 3,183,096 (399)

Precise Orbit Determination of MEX Flyby Phobos Using Simulated Radiometric and Image Data [PDF]

Sensors, 2021
A navigation camera or topography camera is a standard payload for deep space missions and the image data are normally used for auto-navigation. In this work, we study the potential contribution of image data in precise orbit determination for deep space
Xinbo Zhu, Lu Liu, Suyan Liu, Pan Xie, Wutong Gao, Jianguo Yan   +5 more
doaj   +2 more sources

Research on Sliding-Window Batch Processing Orbit Determination Algorithm for Satellite-to-Satellite Tracking [PDF]

Aerospace
In response to the increasing demand for high-precision navigation of satellites operating in the cislunar space, this study introduces an onboard orbit determination algorithm considering both convergence and computational efficiency, referred to as the
Yingjie Xu, Xuan Feng, Shuanglin Li, Jinghui Pu, Shixu Chen, Wenbin Wang   +5 more
doaj   +2 more sources

Precise Orbit Determination of Mars-crossing Asteroids [PDF]

The Astronomical Journal
This study investigates the orbit determination of the Mars-crossing asteroids (MCAs) with a focus on the possibility of detecting their Yarkovsky signals. We analyze the influences of force model uncertainties on MCA orbits, including the uncertainty of
Xin Liu, Xi-Yun Hou, Jun Yao, Shanhong Liu, Roberto Armellin, Qingbo Gan, Zhitao Yang   +6 more
doaj   +2 more sources

Unidirectional Orbit Determination for Extended Users Based on Navigation Ka-Band Inter-Satellite Links [PDF]

Sensors
Traditional spacecraft orbit determination primarily employs two methodologies: ground station/survey ship-based orbit determination and global navigation satellite system (GNSS)-based orbit determination.
Yong Shangguan, Hua Zhang, Yong Yu, Wenjin Wang, Bin Liu, Haihan Li, Rong Ma   +6 more
doaj   +2 more sources

Development Strategy of Orbit Determination System for Korea’s Lunar Mission: Lessons from ESA, JAXA, ISRO and CNSA’s Experiences [PDF]

Journal of Astronomy and Space Sciences, 2014
In this paper, a brief but essential development strategy for the lunar orbit determination system is discussed to prepare for the future Korea’s lunar missions.
Young-Joo Song, Sang-il Ahn, Eun-Sup Sim
doaj   +2 more sources

Real-Time Orbit Determination of Micro–Nano Satellite Using Robust Adaptive Filtering [PDF]

Sensors
Low-performing GPS receivers, often used in challenging scenarios such as attitude maneuver and attitude rotation, are frequently encountered for micro–nano satellites.
Jing Chen, Xiaojun Jin, Cong Hou, Likai Zhu, Zhaobin Xu, Zhonghe Jin   +5 more
doaj   +2 more sources

Relative Kinematic Orbit Determination for GRACE-FO Satellite by Jointing GPS and LRI

Remote Sensing, 2022
As the first in-orbit formation satellites equipped with a Laser Ranging Interferometer (LRI) instrument, Gravity Recovery and Climate Experiment Follow-on (GRACE-FO) satellites are designed to evaluate the effective ability of the new LRI ranging system
Zhouming Yang, Xin Liu, Jinyun Guo, Hengyang Guo, Guowei Li, Qiaoli Kong, Xiaotao Chang   +6 more
doaj   +1 more source

Orbit Determination of GPS and Koreasat 2 Satellite Using Angle-Only Data and Requirements for Optical Tracking System [PDF]

Journal of Astronomy and Space Sciences, 2004
Gauss method for the initial orbit determination was tested using angle-only data obtained by orbit propagation using TLE and SGP4/SDP4 orbit propagation model.
Woo-Kyoung Lee, Hyung-Chul Lim, Pil-Ho Park, Jae-Hyuk Youn, Hong-Suh Yim, Hong-Kyu Moon   +5 more
doaj   +1 more source

Improved Initial Orbit Determination Based on the Gooding Method of Low Earth Orbit Space Debris Using Space-Based Observations

Remote Sensing, 2023
Initial orbit determination (IOD), as a basis for initial orbit association and accurate orbit determination (OD), has a crucial role in the process of obtaining space debris orbit information. Among the traditional methods, the Gooding method has better
Yewen Yin, Zhenwei Li, Chengzhi Liu, Zhe Kang, Jiannan Sun, Long Chen   +5 more
doaj   +1 more source

Applicable Tracking Data Arcs for NORAD TLE Orbit Determination of the KOMPSAT-1 Satellite Using GPS Navigation Solutions [PDF]

Journal of Astronomy and Space Sciences, 2005
NORAD Two Line Element (TLE) is very useful to simplify the ground station antenna pointing and mission operations. When a satellite operations facility has the capability to determine NORAD type TLE which is independent of NORAD, it is important to ...
Byoung-Sun Lee
doaj   +1 more source