Microsat-TD was an Earth observing satellite developed by ISRO.

[4][5] MICROSAT-TD satellite was launched at 0359 UTC on 12 January 2018[6] by PSLV-C40 and its deployment profile was previously rehearsed on PSLV-C38 mission.

[7][8] Microsat-TD was launched along with Cartosat-2F, INS-1C and 28 satellites from 6 countries[9] and separated 1 hour 45 minutes after first stage ignition.

Microsat-TD was IMS-1 based technology demonstrator carrying optical imaging payload in two bands.

[11][12] To reduce its orbital stay, Microsat-TD was de-orbited while depleting its left over propellant near the end of its life.