Technical facts
YES2
YES2 has three components:
• Fotino: a small 6 kg capsule which will return to Earth.
• Mechanical data Acquisition Support System (MASS): an 8 kg carrier which holds Fotino in place with four straps. MASS will burn up in the atmosphere on re-entry.
• Foton LOcated YES2 Deployer (FLOYD): a 22 kg carrier bolted onto Foton-M3, which will eject MASS and Fotino towards Earth. Inside FLOYD is a spool with 30 km of 0.5 mm thick Dyneema® tether which is connected to MASS.
| Dimensions | 1020 x 410 x 475 (maximum envelope) |
|---|---|
| Mass YES2 | 36 kg |
| Mass Subsystem FLOYD | 22 kg |
| Mass Subsystem MASS | 8 kg |
| Mass Subsystem FOTINO | 6 kg |
| Operational duration | 7 hours |
| Ground Support | • TsUP Russian Mission Control in Moscow (EMSR) |
| • Payload Operation Centre in Kiruna (Sweden) | |
| Attitude Control | required attitude allocated via Foton S/C (space craft) |
| Telemetry | • Telemetry system via Foton: unidirectional, data storage every 30s, max last 90min stored |
| • Telemetry system via ESA Tele Support: bidirectional, 19200bps, storage every second | |
| Datalink MASS-FLOYD | unidirectional UHF (ISM-band, 433 MHz), 9600 bps |
| Power | • 27V via Foton S/C, nominal operation 100Wh, peak 56W, average 24W during tether deployment |
| • MASS/FLOYD autonomous | |
| Thermal Control | passive thermal insulation, active control for OBC (on-board computer) |
| Propulsion | no propulsion system; required ∆v for re-entry via tether momentum transfer |
| Tether | Dyneema® 30000m x 0.5mm (polyethylene) |
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