№ files_lp_4_process_2_75305
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File size: 35 KB
Technical reference detailing the implementation of the Brouwer-Lyddane algorithm for calculating satellite orbital elements using subroutines in Fortran, including data structures, input/output parameters, and calling sequences.
Year:
1981
Document Type:
Technical Appendix / Subroutine Documentation
Language:
English
Author:
T. Liu
Organization:
NESDIS
Programming Language:
Fortran
Version:
1.0
Date:
07/01/1981
Subject:
Satellite orbit calculation, Brouwer-Lyddane algorithm, Keplerian elements
Target Audience:
Aerospace engineers, orbital mechanics analysts
Components:
BROLYD, CELEM, BFIXED, XYZPLH, DKEPLR, MA3331, DATAN0, BLCNST
Inputs:
Brouwer mean elements, osculating elements, gravitational constant, Greenwich hour angle
Outputs:
Osculating and mean orbital elements, Cartesian position and velocity vectors, geodetic coordinates
Price: 8 / 10 USD
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The product description is provided for reference. Actual content and formatting may differ slightly.
Year:
2022
Region / City:
Europe
Theme:
Space, Innovation, Research and Development
Document Type:
Call for Expression of Interest
Organization / Institution:
European Commission Directorate-General for Defence Industry and Space
Author:
European Commission
Target Audience:
Research entities, space technology developers, universities, and companies in the space sector
Period of Validity:
31 May 2022
Approval Date:
31 May 2022
Date of Last Change:
N/A
Year:
2025
Region / City:
Europe
Theme:
Space exploration, satellite technology
Document Type:
Call for proposals
Organization / Institution:
European Space Agency (ESA)
Author:
European Space Agency
Target Audience:
Companies, research centers, universities involved in space technology development
Validity Period:
Until Flight Model delivery
Approval Date:
15 July 2025
Amendment Date:
Not specified
Year:
2025
Region / City:
EU
Topic:
Space Experiment Proposals, Satellite Technology
Document Type:
Call for Proposals
Agency/Institution:
EU/ESA
Target Audience:
Research institutions, space companies, and consortia
Period of Validity:
Until the proposal submission deadline
Approval Date:
15 July 2025
Modification Date:
N/A
Year:
2021
Region / City:
Wuhan, Changchun, Shanghai, Zibo, Xi’an, China
Topic:
Space debris, optical telescopes, orbit determination
Document Type:
Research article
Organization / Institution:
Shandong University of Technology, Wuhan University, Chinese Academy of Sciences
Author:
Lei Xiangxu, Xia Shengfu, Wang Xiaozhen, Li Zhenwei, Sang Jizhang, Luo Hao
Target Audience:
Researchers and professionals in space debris monitoring, space surveillance
Effective Period:
N/A
Approval Date:
N/A
Date of Modifications:
N/A
Year:
2026
Region / City:
United States
Topic:
Broadband, Satellite Communications
Document Type:
Statement
Organization:
Federal Communications Commission (FCC)
Author:
Brendan Carr
Target Audience:
Policymakers, Telecommunications Industry Professionals
Effective Period:
Not specified
Approval Date:
Not specified
Modification Date:
Not specified
Year:
2021
Region / City:
Not specified
Topic:
Braille technology, assistive devices
Document Type:
User Guide
Organization / Institution:
Orbit Research
Author:
Not specified
Target Audience:
Users of the Orbit Reader 40, individuals who are visually impaired
Period of Validity:
Not specified
Approval Date:
16th February 2021
Modification Date:
Not specified
Year:
2023
Region / city:
NASA Ames Research Center, Auckland University of Technology, Johnson Space Center
Topic:
Aerospace Medicine, Clinical Decision Support Systems, Space Exploration
Document type:
Research Presentation
Organization:
NASA, Auckland University of Technology
Author:
Burian, B., Russell, B., Levin D.
Target Audience:
Aerospace medical professionals, space mission planners
Period of action:
Ongoing
Approval Date:
Not specified
Date of changes:
Not specified
Year:
2023
Region / City:
Washington, D.C.
Topic:
Spectrum sharing for NGSO FSS systems
Document Type:
Report and Order and Further Notice of Proposed Rulemaking
Organization:
Federal Communications Commission
Author:
Federal Communications Commission
Target Audience:
NGSO FSS operators, satellite service providers, regulatory bodies
Period of Validity:
Ongoing
Approval Date:
April 20, 2023
Amendment Date:
Not specified
Comment Date:
45 Days After Publication in the Federal Register
Reply Comment Date:
75 Days After Publication in the Federal Register
Note:
Year
Year:
2026
Region / City:
West Virginia, USA
Subject:
Broadband Internet Access, Low Earth Orbit Connectivity
Document Type:
Legislative Bill / Fiscal Note
Institution:
West Virginia Legislature
Authors:
Delegates Linville, Hanshaw, Holstein, J. Cannon, G. Howell, Martin, Phillips, Dittman, Criss, Riley, Maynor
Target Audience:
Citizens of West Virginia, policymakers
Date Introduced:
February 04, 2026
Committee:
Finance
Period of Effect:
Fiscal years ending June 30, 2026 and 2027
Purpose:
Establishment of a fund for installation of Low Earth Orbit Broadband Internet equipment
Year:
2026
Region:
Low Earth Orbit / International Space Station
Subject:
Materials science, robotics, artificial intelligence
Document Type:
Research paper
Organization:
Plane Space Design
Author:
Marshall Tabetah
Target Audience:
Researchers and engineers in aerospace and materials science
Research Period:
Current studies on LEO platforms
Key Technologies:
Robotics, AI algorithms, supercomputing, thermal management
Environmental Conditions:
Microgravity, high-energy radiation, low atmospheric pressure, temperature extremes
Year:
2025
Type:
User Manual
Device:
Orbit Player
Version:
0.4
Date of publication:
3rd April 2025
Sections:
Introduction, Quick Start, File Manager, Book Reader, Online Libraries, Media Player, Podcast, Internet Radio, Utilities, Voice Recorder, Settings, Firmware Upgrade, Troubleshooting, Buzzer/Vibration/LED, Warranty, FCC Information
Target Audience:
End users of Orbit Player
Content Scope:
Device operation, navigation, application usage, settings, troubleshooting, firmware, and regulatory information