TDS-01

Overview

Destination: Geostationary Transfer Orbit
Mission: Technology

Geostationary Transfer Orbit Satish Dhawan Space Centre First Launch Pad Satish Dhawan Space Centre, India

TDS-01 (Technology Demonstration Satellite-01) is an Indian geostationary orbit technology demonstration satellite carrying payloads for the Indian Space Research Organisation (ISRO)’s Institute of Plasma Research, Gandhinagar and the CSIR-CEERI, Pilani. Payloads to be tested included an internally developed 300 mN electric powered thrusters, atomic clocks, travelling wave tube amplifiers (TWTA) & a quantum communication suite (QuTDS).

Updates

Cosmic_Penguin • Sept. 26, 2026, 12:26 p.m.

NET November.


Cosmic_Penguin • Sept. 14, 2025, 11:51 p.m.

NET Q1 2026.



Cosmic_Penguin • Jan. 14, 2025, 7:43 a.m.

NET Q2 2025.


Cosmic_Penguin • Dec. 30, 2024, 5:07 p.m.

NET Q1.


PSLV-XL

Family:
Configuration: XL

PSLV-XL is the upgraded version of Polar Satellite Launch Vehicle in its standard configuration boosted by more powerful, stretched strap-on boosters with 12 tonne propellant load. Weighing 320t at lift-off, the vehicle uses larger strap-on motors (PSOM-XL or S12) to achieve higher payload capability. On 29 December 2005, ISRO successfully tested the improved version of strap-on booster for the PSLV. The first use of PSLV-XL was the launch of Chandrayaan-1 by PSLV C11. The payload capability for this variant is 1,800 kg to SSO.

Specifications
  • Stages
    4
  • Length
    44.0 m
  • Diameter
    2.8 m
  • Fairing Diameter
    ―
  • Launch Mass
    320.0 T
  • Thrust
    ―
Family
  • Name
    PSLV-XL
  • Family
    ―
  • Variant
    XL
  • Alias
    ―
  • Full Name
    PSLV XL
Payload Capacity
  • Launch Cost
    ―
  • Low Earth Orbit
    ―
  • Geostationary Transfer Orbit
    ―
  • Direct Geostationary
    ―
  • Sun-Synchronous Capacity
    1800.0 kg

Indian Space Research Organization

Indian Space Research Organization

(ISRO)

Chairman: V. Narayanan Founded: 1969 Successes: 85 Failures: 15 Pending: 21

Agency Type:

The Indian Space Research Organisation (ISRO) is the space agency of the Government of India headquartered in the city of Bangalore. Its vision is to "harness space technology for national development while pursuing space science research and planetary exploration."

INFO WIKI
SpaceNews

India eyes record year for space with 10 planned launches

HELSINKI — India’s space agency is planning 10 orbital launches in 2025 along with a debut commercial launch, potentially taking the country’s launch activity to double figures for the first […] The post India eyes record year for space w…

Satish Dhawan Space Centre, India

Satish Dhawan Space Centre First Launch Pad


Falcon 9
Success
1 day, 7 hours ago
USSF-385
Space Launch Complex 4E - Vandenberg SFB, CA, USA

A classified mission for the United States Space Force. It is possibly a batch of classified LEO satellites based on SpaceX’s Starshield satellite bu…


Electron
Success
1 day, 20 hours ago
Owlright, Owlright, Owlright (StriX Launch 13)
Rocket Lab Launch Complex 1B - Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand

Synthetic aperture radar satellite for Japanese Earth imaging company Synspective.


Long March 6A
Success
3 days, 12 hours ago
Yaogan 40 Group 04
Launch Complex 9A - Taiyuan Satellite Launch Center, People's Republic of China

3 Chinese reconnaissance satellites of unknown purposes, officially reported as for "Electromagnetic environment probing".


Long March 8A
Success
4 days, 7 hours ago
SatNet LEO Group 26
Commercial LC-1 - Wenchang Space Launch Site, People's Republic of China

A batch of 9 Low Earth Orbit communication satellites for the Chinese state owned SatNet constellation operated by the China Satellite Network Group.…


Kinetica 1
Success
1 week ago
9 satellites
Launch Area 130 - Jiuquan Satellite Launch Center, People's Republic of China

Share-ride of 9 commercial Earth observation and technology demonstration satellites to SSO, details TBD.


Falcon 9
Success
1 week ago
Starlink Group 15-27
Space Launch Complex 4E - Vandenberg SFB, CA, USA

A batch of 27 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Long March 2D
Success
1 week, 1 day ago
PIESAT-2 13-16
Launch Complex 9 - Taiyuan Satellite Launch Center, People's Republic of China

4 X-band synthetic-aperture radar Earth observation satellites for the Chinese Earth observation satellite company PIESAT.


Electron
Success
1 week, 1 day ago
Owl By The Dozen (StriX Launch 12)
Rocket Lab Launch Complex 1B - Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand

Synthetic aperture radar satellite for Japanese Earth imaging company Synspective.


Soyuz 2.1b/Fregat-M
Success
1 week, 3 days ago
Glonass-K1 No. 20 (?)
43/3 (43L) - Plesetsk Cosmodrome, Russian Federation

Note: Satellite serial number and Cosmos designation not confirmed. Glonass-K are the third generation of satellite design for GLONASS satellite n…


Kuaizhou 11
Success
1 week, 3 days ago
SpaceTY-51 & 52
Launch Area 95A - Jiuquan Satellite Launch Center, People's Republic of China

2 Earth observation radar satellites built by the Chinese satellite manufacturer SpaceTY.