ISRO Looks to Transfer Mini Satellite Bus to Private Sector

IMS-1 bus (Credit: ISRO)

As part of its effort to commercialize the nation’s space program, the Indian Space Research Organisation is looking to transfer a small satellite bus to the private sector. The notice for transferring the Indian Mini Satellite-1 bus is below.

Interest Exploratory Note

UR Rao Satellite Centre (URSC) of Indian Space Research Organisation (ISRO) has developed small satellite platform which would enable low cost access to space by providing dedicated platform for payloads for earth imaging, ocean and atmospheric studies, microwave remote sensing and space science missions with a quick turnaround time.

Department of Space has authorised NSIL for Technology Transfer of IMS-1 Satellite Platform to suitable entrepreneurs/industry in India. Interested Parties may please fill the enclosed form and send by email to on or before 25 March 2022.

Indian Mini Satellite-1 (IMS-1) Bus Specifications

Stability3-axes stabilised small satellite (Bus + P/L) of 100 kg Class
StructureSize 600 (Y) x 552 (R) x 600 (P) mm3
Pointing Accuracy±0.1° (3σ) about all axes
Drift Rate±7.5 x 10-04°/s (3σ) about all axes
Nominal Mission Life2 years
Payload Mass30 Kg
BDH32 Mbps
InterfacesLVDS, 1553, Standard TM/TC Interface
Solar PanelSolar Array consists of two wings, each having one panel of size 0.915 x 0.83 m2
Power330 W (EOL with one string failure)
BatteryLithium ion battery of 27.2 Ah capacity
Attitude SensorsMagnetometer -1 No., 4 PI Sensors, micro Star Sensors, micro-IRU
Reaction Control System
Magnetic Torquers (2nos. of 20 A-m2)
Reaction Wheels (4 Nos. of 1 Nm-s @ 8000 RPM & 0.02 Nm)
Thruster of 1N-1No.
Tank- 7.5 litre Volume
SSR32 Gb
ThermalThermistors – 48,
FTS- 16,
PRTs – 10,
Thermocouples – 2,
On-board heaters-28

Russia Severing Ties With Ukraine on Dnepr, Zenit Launch Programs

Dnepr launch vehicle. (Credit: ISC Kosmotras)
Dnepr launch vehicle. (Credit: ISC Kosmotras)

Roscosmos officials made announcements this week that they would be suspending a joint program with Ukraine to launch Dnepr rockets and were no longer interested in buying Ukrainian Zenit boosters, deepening problems for that embattled nation’s space program and its struggling Yuzhmash factory.

Dneprs are converted SS-18 ballistic missiles that are converted into satellite launchers by Ukraine’s Yuzhmash launch vehicle manufacturer. The boosters are launched by the Moscow-based Moscow-based Kosmotras International Space Company, which is Russian-Ukrainian joint venture.

Russian media report three Dnepr launches scheduled this year will be carried out. However, The Moscow Times reports the future of the venture remains cloudy. It is possible the program will end, or Russia will convert the missiles to satellite launchers without Ukrainian participation.


United Rocket & Space Corporation Lays Out Long-Term HR Strategy

The conference ACCD (aka, URSC) HR-specialists of rocket and space industry (RCP), included in the Corporation, discussed the HR strategy for 2015-2025.

More than 100 professionals of 25 leading enterprises participated in a panel discussion and round tables, discussing the basic problems of human capital development.


Proton Returns to Flight as Khrunichev Looks to Compete With SpaceX

Holy shi'ski! The go KABOOMSKI! (Credit: Tsenki TV)
A Proton rocket launches its payloads into Baikonur. (Credit: Tsenki TV)

After being grounded for four months, Russia’s accident prone Proton booster will be back in action Sunday morning with officials once again praying it launches a payload into space rather than back to Earth.

Meanwhile, Russian officials are moving ahead with an expensive plan to overhaul Proton’s builder, Khrunichev, to allow it to compete with American start-up SpaceX on price and to produce a new family of Angara boosters.