AsiaSat 3S

Asiasat communications satellite

AsiaSat 3S
Spacecraft properties

Mission type	Communications
Operator	AsiaSat
COSPAR ID	1999-013A
SATCAT no.	25657
Mission duration	15 years (planned) 25 years, 2 months and 2 days (in progress)


Spacecraft	AsiaSat 3S
Spacecraft type	Boeing 601
Bus	HS-601HP
Manufacturer	Hughes Space and Communications
Launch mass	3,480 kg (7,670 lb)
Dry mass	2,500 kg (5,500 lb)
Dimensions	3.4 m x 3.5 m x 5.8 m Span: 26.2 m on orbit
Power	9.9 kW


Start of mission
Launch date	21 March 1999, 00:09:30 UTC
Rocket	Proton-K / DM-2M
Launch site	Baikonur, Site 81/23
Contractor	Khrunichev State Research and Production Space Center
Entered service	8 May 1999


Orbital parameters
Reference system	Geocentric orbit
Regime	Geostationary orbit
Longitude	105.5° East (1999–2014) 120° East (2014–2015) 150.5° East (2015–2016) 146° East (2016–2019) ^[1]


Transponders
Band	44 transponders: 28 C-band 16 Ku-band
Coverage area	Asia, the Middle East and Oceania

AsiaSat constellation ← AsiaSat 3 AsiaSat 4 →

AsiaSat 3S, was a geosynchronous communications satellite for AsiaSat of Hong Kong to provide communications and television services all across Asia, the Middle East and Oceania.

Background

In March 1998, AsiaSat ordered a replacement satellite, for US$195 million, from Hughes Space and Communications. Designated AsiaSat 3S, the new satellite is a replica of AsiaSat 3.^[1]

Launch

AsiaSat 3S was launched for AsiaSat by a Proton-K / DM-2M launch vehicle on 21 March 1999, at 00:09:30 UTC, destined for an orbital location at 105.5° East.^[2] A replacement for Asiasat 3, placed in the wrong orbit by a Proton launch in 1997, Asiasat 3S carried C-band and Ku-band transponders. The Blok DM-2M upper stage placed the satellite in a Geostationary transfer orbit (GTO). Asiasat's on-board R4D-11-300 apogee engine was then used to raise perigee to geostationary altitude.^[3] It replaced AsiaSat 1 on 8 May 1999.^[1]

Mission

It was replaced by AsiaSat 7.

References

^ ^a ^b ^c "Asiasat 3". The Satellite Encyclopedia. 28 February 2021. Retrieved 4 May 2021.
^ "Asiasat 3, -3S". Gunter's Space Page. 11 December 2019. Retrieved 4 May 2021.
^ "Display: AsiaSat 3S 1999-013A". NASA. 27 April 2021. Retrieved 4 May 2021. This article incorporates text from this source, which is in the public domain.

AsiaSat satellites

Future spacecraft in italics.

v t e Chinese spacecraft
Earth observation	Double Star (joint with ESA) Fengyun Gaofen FSW Huanjing HY Jilin Shiyan SMMS TanSat Tansuo Tianhui Yaogan Ziyuan
Communication and engineering	Dong Fang Hong FH-1 Apstar APMT Asiasat ChinaSat ChinaStar HKSTG LGSP OlympicSat Shijian Sinosat Tiantong 1 Tsinghua-1 Xiwang 1
Data relay satellite system	Queqiao and Queqiao 2 Tiandu 1 and 2 Tianlian Constellation
Satellite navigation system	BeiDou-1 BeiDou-2 Beidou-3
Astronomical observation	ASO-S CHASE DAMPE GECAM HXMT Kuafu Longjiang-2 Queqiao Lobster Eye Imager for Astronomy Einstein Probe (joint with ESA) SST SVOM Xuntian SMILE
Lunar exploration	Chinese Lunar Exploration Program Chang'e 1 Chang'e 2 Chang'e 3 Yutu Chang'e 5-T1 Chang'e 4 Yutu-2 Chang'e 5 Chang'e 6 Chang'e 7 Chang'e 8
Planetary exploration	Yinghuo-1 Chang'e 2 Tianwen-1 Zhurong Shensuo Tianwen-2 Tianwen-3 Tianwen-4
Microsatellites	Fengniao Xinyan
Future spacecraft in italics.

v t e ← 1998 Orbital launches in 1999 2000 →
January	Mars Polar Lander ROCSAT-1
February	Stardust Globalstar 23, Globalstar 36, Globalstar 38, Globalstar 40 Telstar 6 JCSAT-6 Soyuz TM-29 ARGOS, Ørsted, SUNSAT Arabsat 3A, Skynet 4E Globus No.15
March	Wide Field Infrared Explorer Globalstar 23, Globalstar 37, Globalstar 41, Globalstar 46 AsiaSat 3S DemoSat
April	Progress M-41, Sputnik 99 INSAT-2E USA-142 Eutelsat W3 Globalstar 19, Globalstar 42, Globalstar 44, Globalstar 45 Landsat 7 UoSAT-12 Ikonos-1 ABRIXAS, Megsat-0 USA-143
May	Orion 3 Feng Yun 1C, Shijian 5 TERRIERS, MUBLCOM Nimiq 1 USA-144 Oceansat-1, Kitsat-3, DLR-Tubsat STS-96 (Starshine 1)
June	Globalstar 25, Globalstar 47, Globalstar 49, Globalstar 52 Iridium 14A, Iridium 21A Astra 1H QuikSCAT FUSE
July	Gran' No.45 Molniya 3-50 Globalstar 30, Globalstar 32, Globalstar 35, Globalstar 51 Progress M-42 Okean-O No.1 STS-93 (Chandra) Globalstar 26, Globalstar 28, Globalstar 43, Globalstar 48
August	Telkom 1, Globalstar 24, Globalstar 27, Globalstar 53, Globalstar 54 Kosmos 2365 Kosmos 2366
September	Koreasat 3 Yamal-101, Yamal-102 Foton 12 Globalstar 33, Globalstar 50, Globalstar 55, Globalstar 58 EchoStar V Ikonos 2 Telstar 7 LMI-1 Resurs F-1M
October	USA-145 DirecTV-1R CBERS-1, SACI-1 Globalstar 31, Globalstar 56, Globalstar 57, Globalstar 59 Orion 2 Ekspress A1
November	GE-4 MTSAT-1 Shenzhou 1 Globalstar 29, Globalstar 34, Globalstar 39, Globalstar 61 USA-146
December	Hélios 1B, Clémentine Orbcomm FM30, Orbcomm FM31, Orbcomm FM32, Orbcomm FM33, Orbcomm FM34, Orbcomm FM35, Orbcomm FM36 XMM-Newton † VLS-1 V02 (SACI-2) USA-147 Terra STS-103 Arirang-1, ACRIMSAT, Millennial Galaxy 11 Kosmos 2367 Kosmos 2368
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).