Indian Space Research OrganizationPSLV XLSatish Dhawan Space Centre First Launch Pad, Satish Dhawan Space Centre, India
CMS-01 (GSAT-12R)
Launched
December 17, 2020
Summary
CMS-01 (GSAT-12R) launched on an Indian Space Research Organization PSLV XL from Satish Dhawan Space Centre First Launch Pad, Satish Dhawan Space Centre, India on December 17, 2020. It was Indian Space Research Organization's 73rd launch, 2nd this year and humanity's 6,032nd orbital launch attempt. It was the 22nd PSLV XL flight and the 1st this year. The payload was bound for Geostationary Transfer Orbit (GTO). CMS 1, one of 2 catalogued objects, reached a 283 × 20,898 km orbit inclined 17.8°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- Launch of PSLV-C50/CMS-01 mission from Satish Dhawan Space Centre (SHAR), SriharikotaDoordarshan National
- Watch Live: Launch of CMS-01 by PSLV-50ISRO Official
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Transfer Orbit (GTO)
- Milestone
- 22nd PSLV XL flight · 1st this yearIndian Space Research Organization's 73rd launch2nd this yearhumanity's 6,032nd orbital launch attempt110th orbital launch attempt this year
Webcast
Flight preview
Orbit: as tracked
CMS 1 · NORAD 47256 · 2020-099 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2020-099A
- Epoch
- 2020-12-17 11:50:47 UTC
- Mean motion
- 3.93007928 rev/day
- Eccentricity
- 0.6076909
- Inclination
- 17.8276°
- Ascending node
- 188.9285°
- Arg. of perigee
- 178.7188°
- Mean anomaly
- 82.7925°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: GTO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit
- CMS 1 · NORAD 47256 · in orbit
PSLV-C50 PS4 · in orbit
Data from J. McDowell, planet4589.org
About this launch
CMS-01, formerly also known as GSAT-12R, is an Indian geostationary telecommunications satellite. It's designed to last for 7 years and will provide services in Extended-C band across Indian mainland, Andaman-Nicobar & Lakshadweep Islands.
Pad

Satish Dhawan Space Centre First Launch Pad, Satish Dhawan Space Centre, India
49th launch from Satish Dhawan Space Centre First Launch Pad, 2nd this year · 77th from Satish Dhawan Space Centre, India
64 launches from this pad · 105 from Satish Dhawan Space Centre, India
40 days after the previous launch from this pad
All launches from Satish Dhawan Space Centre, IndiaOpen in maps
Updates
Questions
When did CMS-01 (GSAT-12R) launch?
CMS-01 (GSAT-12R) launched on December 17, 2020. The time is known to the hour, not the minute.
Where can I watch CMS-01 (GSAT-12R)?
Coverage: Launch of PSLV-C50/CMS-01 mission from Satish Dhawan Space Centre (SHAR), Sriharikota; Watch Live: Launch of CMS-01 by PSLV-50. Watch the replay
What rocket launched CMS-01 (GSAT-12R)?
PSLV XL, flown by Indian Space Research Organization. PSLV XL spec sheet
Where did CMS-01 (GSAT-12R) launch from?
Satish Dhawan Space Centre First Launch Pad, Satish Dhawan Space Centre, India.
What orbit did CMS-01 (GSAT-12R) reach?
CMS 1, one of 2 catalogued objects, reached a 283 × 20,898 km orbit inclined 17.8°.
How many satellites did CMS-01 (GSAT-12R) launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] PSLV-XL | CMS-01 (GSAT-12R) - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fpslv-xl252025_image_20201217073636.jpeg&w=1600)