User:Ziruru/sandbox

Comparison of key technologies
First achieved attempts or future plans of each country are listed by chronological order unless otherwise noted, failed attempts are excluded in the list.


 * Cryogenic Propellant Rocket Engine (by thrust)
 * 🇯🇵 - 2001 - LE-7A, Isp (Vac.)：440s, Thrust (Vac.)：1,074 kN.
 * 🇨🇳 - 1994 - YF-75, Isp (Vac.)：437s, Thrust (Vac.)：78 kN
 * 🇮🇳 - Indigenous Cryogenic Engine, Under development - Isp (Vac.)：454s, Thrust (Vac.)：73 kN.


 * Communications Satellite Technology
 * 🇮🇳 - 2005 - INSAT-4A 3,460 kg, 24 transponders, Solar Array provide a power of 5.9 kW.
 * 🇨🇳 - 2011 - NIGCOMSAT 1R 5,150 kg, 28 transponders, Solar Array provide a power of 10.5 kW.


 * Export of Launch Service
 * 🇨🇳 - 1990 - AsiaSat 1
 * 🇮🇳 - 1999 - DLR-Tubsat Uribyol 3
 * 🇯🇵 - 2002 - FedSat 1


 * High Resolution Optical Imaging Satellites (by resolution)
 * 🇮🇱 - 2010 - Ofeq 9 - Highest available resolution：0.5 meter
 * 🇯🇵 - 2011 - Optical 4 - Highest available resolution：0.6 meter
 * 🇮🇳 - 2007 - Cartosat 2 - Highest available resolution：0.8 meter


 * Interplanetary Explorer
 * 🇯🇵 - Venus: 1 (Mission complications)； Near-Earth asteroid: 1


 * Launch of Geostationary Satellites
 * 🇯🇵 - 1977 - KIKU-2
 * 🇨🇳 - 1984 - DongFangHong-2 2
 * 🇮🇳 - 2003 - GSat 2


 * Lunar Orbiters
 * 🇯🇵 - 1990 - Hiten/Hagoromo
 * 🇨🇳 - 2007 - Chang'e 1
 * 🇮🇳 - 2008 - Chandrayaan-1


 * Lunar Rover Programs
 * 🇨🇳 - 2013 - Chang'e 3
 * 🇮🇳 - 2013 - Chandrayaan-2
 * 🇯🇵 - 2013 - Selene-2


 * Manned Spacecraft Programs
 * 🇨🇳 - 2003 - Shenzhou
 * 🇮🇳 - 2020's - Orbital Vehicle
 * 🇮🇷 - 2021 - ISA manned spacecraft
 * 🇯🇵 - 2020 - HTV Variant.


 * Multi-satellite Simultaneous Launch (by number)
 * 🇮🇳 - 2008, 10 Satellites, by PSLV-CA C9
 * 🇯🇵 - 2009, 8 Satellites, by H-IIA F15
 * 🇨🇳 - 1981 - 3 Satellites by Feng Bao 1


 * Radar Imaging Satellites (by resolution)
 * 🇮🇱 - 2008 - TechSAR 1 Highest available resolution：1 meter
 * 🇯🇵 - 2003 - Radar 1 Highest available resolution：3 meters
 * 🇮🇳 - 2012 - RISAT 1 Highest available resolution：3 meters


 * Solar Sail Spacecraft
 * 🇯🇵 - 2010 - IKAROS


 * Spacecraft Power by Ion Drive
 * 🇯🇵 - 2003 - Hayabusa
 * 🇨🇳 - 2012 - Shijian 9


 * Space Docking
 * 🇯🇵 - 1997 - ETS-VII ； 2009 - HTV docked with the ISS
 * 🇨🇳 - 2011 - Shenzhou 8 docked with the Tiangong 1


 * Satellite Navigation System
 * 🇨🇳 - 2000 - Beidou
 * 🇯🇵 - 2010 - QZSS
 * 🇮🇳 - 2012 - IRNSS


 * Spacecraft Recovery Experiment
 * 🇨🇳 - 1976 - FSW-0 2
 * 🇯🇵 - 1994 - Ryusei
 * 🇮🇳 - 2007 - SRE 1


 * Space Observatory
 * 🇯🇵 - 1975 - TAIYO ； 1978 - HAKUCHO
 * 🇮🇳 - 2012 - Astrosat


 * Tracking and Data Relay Satellite
 * 🇯🇵 - 2002 - Kodama
 * 🇨🇳 - 2008 - TianLian 1A