Soyuz 23

Designation	09477 / 76100A
Launch date - time	14 Oct 1976 - 17:39:18 UT
Launch site	Baikonur, LC1
Launch vehicle	Soyuz 11A511U
OKB name - S/Nº	Soyuz 7K-T/A9 s/n 65
Basic shape	Sphere-cylinder + 2 wings
Dimension (m)	7.5 long, 2.2 dia
Mass (kg)	6760 kg
Flight Crew	Zudov, Vyacheslav D. (CDR) Rozhdestvensky, Valery I. (FE)
Call Sign	Radon
Backup crew	Gorbatko V., Glazkov Y.
Earth orbit on Oct 15.0:
- Perigee / Apogee	188 x 224 km
- Eccentricity	0.003
- Inclination	51.61°
- Period	88.56 min
Deorbit date - time	16 Oct 1976 - 17:02 UT
Landing date - time	16 Oct 1976 - 17:45:53 UT
Landing location	51°N, 69°E
Flight Duration (d:u:min)	02d 00h 06m 35s (2.00 days)
Nbr orbits	32

Soyuz 23 rendezvous with Salyut 5 about 1976 Oct 15.8, but failed to dock.

Backup Crew: Glazkov, Gorbatko. Support Crew: Berezovoi, Lisun.

Launch from Baikonur; docking with spacestation Salyut 5 failed because of serious technical problems (approach was until 100 m)
The craft suffered a failure of the rendezvous electronics system. No docking with Salyut 5 due to fault of main antenna of Igla rendezvous system.
They returned immediate to Earth, and made an emergency landing in Lake Tengiz during a snow-storm (195 km southwest of Zelinograd). 1e landing on water.
Recovery crews did not find capsule until next morning, and were surprised to find the crew alive. Recovered October 16, 1976 17:46 GMT.

Soyuz 23

Launch cancel Magadan, special mission cancel.

FDC cancel Sterrestad, signed by crew Zudov and Rozhdestvensky.

Ref.: #1,#2, #4, #7, #8, #16, #125, #206, #210 - update: 28.11.18