Tselina-2 (11F644)
Tselina-2 [Yuzhnoye]
The Tselina-2 (11F644) series of ELINT satellites were replacements for the first generation system. Based on the first generation Tselina-D ELINT, TSNII-KS at the beginning of the 1970's developed the specifications for an improved model with increased frequency range and on-board method of determining the position of fixed transmitters. The original Tselina-2 design was authorised in March 1973 and handled by prime contractor TsNIRTI Minradioprom for the ELINT equipment and KB Yuzhnoye for the spacecraft bus.
The new specification for a universal Army-Navy system called for a satellite with increased mass and lifetime. This would be launched by the Zenit-2 booster, replacing the separate earlier-generation systems. Data transmission was directly to ground stations via geosynchronous communications satellites.
Delays in development of the Zenit-2 launch vehicle resulted in launching the first two trials flights by Proton-K Blok-DM-2 booster in 1984 and 1985.
Tselina-2 is 3-axis stabilized with addition of a gravity gardient boom, basicly an enlarged version of the Tselina-D bus.
US-PM will be replaced by the new Lotos-S ELINT satellites of the Liana system.
| Nation: | USSR / Russia |
|---|---|
| Type / Application: | ELINT |
| Operator: | |
| Contractors: | KB Yuzhnoye (bus), TsNIRTI Minradioprom (ELINT payload) |
| Equipment: | |
| Configuration: | |
| Propulsion: | ? |
| Power: | 2 deployable solar arrays, batteries |
| Lifetime: | 1 year |
| Mass: | 3200 kg |
| Orbit: | 850 km × 850 km, 71.0° (typical) |
| Satellite | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|
| Kosmos 1603 (Tselina-2 #1) | 28.09.1984 | TB LC-200/39 | Proton-K Blok-DM-2 | ||
| Kosmos 1656 (Tselina-2 #2) | 30.05.1985 | TB LC-200/40 | Proton-K Blok-DM-2 | ||
| Kosmos 1714 (Tselina-2 #3) | 28.12.1985 | TB LC-45/ | P | Zenit-2 | |
| Kosmos 1844 (Tselina-2 #4) | 13.05.1987 | TB LC-45/1 | Zenit-2 | ||
| Kosmos 1943 (Tselina-2 #5) | 15.05.1988 | TB LC-45/1 | Zenit-2 | ||
| Kosmos 1980 (Tselina-2 #6) | 23.11.1988 | TB LC-45/1 | Zenit-2 | ||
| Kosmos 2082 (Tselina-2 #7) | 22.05.1990 | TB LC-45/2 | Zenit-2 | ||
| Kosmos (2102) (Tselina-2 #8) | 04.10.1990 | TB LC-45/2 | F | Zenit-2 | |
| Kosmos (2155) (Tselina-2 #9) | 30.08.1991 | TB LC-45/1 | F | Zenit-2 | |
| Kosmos (2180) (Tselina-2 #10) | 05.02.1992 | TB LC-45/1 | F | Zenit-2 | |
| Kosmos 2219 (Tselina-2 #11) | 17.11.1992 | TB LC-45/1 | Zenit-2 | ||
| Kosmos 2227 (Tselina-2 #12) | 25.12.1992 | TB LC-45/1 | Zenit-2 | ||
| Kosmos 2237 (Tselina-2 #13) | 26.03.1993 | TB LC-45/1 | Zenit-2 | ||
| Kosmos 2263 (Tselina-2 #14) | 16.09.1993 | TB LC-45/1 | Zenit-2 | ||
| Kosmos 2278 (Tselina-2 #15) | 23.04.1994 | TB LC-45/1 | Zenit-2 | ||
| Kosmos 2297 (Tselina-2 #16) | 24.11.1994 | TB LC-45/1 | Zenit-2 | ||
| Kosmos 2322 (Tselina-2 #17) | 31.10.1995 | TB LC-45/1 | Zenit-2 | ||
| Kosmos 2333 (Tselina-2 #18) | 04.09.1996 | TB LC-45/1 | Zenit-2 | ||
| Kosmos (2342) (Tselina-2 #19) | 20.05.1997 | TB LC-45/1 | F | Zenit-2 | |
| Kosmos 2360 (Tselina-2 #20) | 28.07.1998 | TB LC-45/1 | Zenit-2 | ||
| Kosmos 2369 (Tselina-2 #21) | 03.02.2000 | TB LC-45/1 | Zenit-2 | ||
| Kosmos 2406 (Tselina-2 #22) | 10.06.2004 | TB LC-45/1 | Zenit-2 | ||
| Kosmos 2428 (Tselina-2 #23) | 29.06.2007 | TB LC-45/1 | Zenit-2M | ||
| Kosmos 24xx (Tselina-2 #24) | ? | TB LC-45/1 | Zenit-2M | ? |
