India launches HysIS, 30 piggyback satellites

(29 Nov 2018) Rocket: PSLV-C43 ('Core Alone'); Payload: HysIS, 30 secondary payloads; Date: 29 November 2018, 0427 UTC; Launch site: Satish Dhawan Space Centre SHAR, Sriharikota, India. During the 112-minute-long mission,the rocket first delivered HysIS into a polar sun-synchronous orbit at an altitude of 630 km 17 minutes and 27 seconds after the launch.

It released 30 international co-passengers at a lower orbit of 504 km above India in a second manoeuvre. The co-passenger satellites have been contracted for launch through ISRO's commercial arm Antrix Corporation Limited.

HysIS carries two payloads. One to capture images in the visible near-infrared (VNIR) range of the light spectrum and another in the shortwave infrared (SWIR) range. The satellite, which has an onboard power of 730 kg, is designed to provide Earth observation service for five years.

The optical imaging detector array chip in the HySIS satellite has been designed by Isro's Ahmedabad-based Space Applications Centre and manufactured by its electronic arm, Semi-Conductor Laboratory, Chandigarh.

The largest of the secondary payloads was Global 1, the first member of an Earth-imaging constellation being deployed by U.S. company BlackSky Global. Global-1 carries a SpaceView-24 imaging system developed by Exelis which uses a 24-centimeter telescope to image the Earth's surface at resolutions of up to 90 centimeters.

The 56-kilogram Global-1 satellite was constructed by Spaceflight Services, based around the SCOUT bus, and is designed to operate for at least three years. BlackSky plans to deploy a constellation of up to sixty satellites: the next, Global-2, will be deployed by a Falcon 9 rocket next week.

PSLV-C43 also carried 29 cubesats, including 16 Earth observation satellites for Planet's Dove constellation, four for Spire's LEMUR constellation, plus CICERO-8 for GeoOptics and HSAT-1 for Harris Corporation (all USA).

The other satellites were launched for Australia (Centauri-1), Canada (Kepler [CASE]), Colombia (FACSAT), Finland (Reaktor Hello World), Malaysia (InnoSAT-2), Netherlands (HIBER-1) and Spain (3Cat-1).

Reference: Times of India, PTI, Outlook India, Geek Wire, NasaSpaceFlight