2026-244Latest orbital launch: Falcon 9 · Starlink Group 15-16 · Oct 27, 2026 · VandenbergLaunch record →
sci-techmaventhe history of spaceflight, in data
  1. Home
  2. Spacecraft
  3. IMS-1
// optical imaging · 2008

IMS-1

Earth observation satellite operated by India. IMS-1 was launched on April 28, 2008 aboard a PSLV from Sriharikota. Latest status in GCAT: in orbit.

COSPAR 2008-021DNORAD 32786India

Identity

Name in GCAT
IMS-1
Payload designation
Indian Mini Satellite 1
Other names
TWSAT
International designator
2008-021D
NORAD catalog number
32786
GCAT identifier
S32786
UN registration
ST/SG/SER.E/545

Mission

Mission type
Optical imaging
Use
Civil government
Program
IMS
Owner
ISRO
Country
India
Builder
Indian Space Research Organization
Platform (bus)
IMS-1

Launch

Date
April 28, 2008 · 03:53 UTC
Launch record
2008-021Success
Rocket
PSLV
Spaceport
Sriharikota · pad SLP

Orbit and fate

Orbit class (GCAT)
LEO/S
Perigee
618 km
Apogee
636 km
Inclination
98.00°
Status
In orbit
Last known active
September 2012
End of operations
September 2012

Size

Mass
90 kg
Dry mass
90 kg
Length
0.6 m
Diameter
0.60 m
Span
0.6 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q5972096 (CC0).