From Vladimir Agapov
(KIAM RAN)
August 3, 1995
Here is detailed pre-launch information about Interbol (Prognoz-M2).
Launch 03.08.95 02:59:10.90 DMV (02.08.95 23:59:10.90 UTC)
04.08.95 02:55:14.34 DMV (03.08.95 23:55:14.34 UTC)
Launch window - 10 min
Launch site - Plesetsk, LC43, Pad 3
Launcher - Molniya-M (8K78M with 2BL-SM2 upper stage (4th stage))
Payload - Prognoz-M2 (SO-M2 N512) + Magion-4
Launcher's characteristics
1st stage 2nd stage 3rd stage 4th stage
Empty mass, tonns 4 x 3.770 6.798 1.976 2.05
Full mass, tonns 4 x 43.3 100.6 24.8 5.82
Mass of oxidizer, tonns 4 x 27.8 64 15.7 2.66
Mass of fuel, tonns 4 x 11.8 26.3 7.1 1.11
Sea level thrust, tonns 4 x 82.9 79.4 - -
Vacuum thrust, tonns 4 x 101.5 99.6 30.4 6.8
Launch mass of the launcher with the payload - 305481 kg
Length of the launcher with payload's shroud - 43.44 m
Mass of the upper stage (without mass of the shroud) - 6260 kg
including
empty mass of the 2BL - 896.7 kg
mass of the BOZ block - 328.7 kg (BOZ - 'Blok obespecheniya zapuska'
on Russian or 'launching provision block')
spacecraft's mass - 1250 kg
mass of oxidizer - 2662.1 kg
mass of fuel - 1112.0 kg
Mass of the shroud - 825 kg
Main engine of the Block 2BL - 11D33
Launch countdown:
Lift-off - T
Separation of the 1st stage (4 strap-ons) - T+120.18 s
Separation of the shroud - T+166.62 s
The 2nd stage's engines cut off - T+289.90 s
Separation of the 2nd stage - T+292.15 s
The 3rd stage's engine cut off - T+532.63 s
Separation of the upper stage with payload - T+535.93 s
Command on ignition of powder thrustors of
the BOZ block - T+3679.692 s
75% level of the 11D33 engine's thrust,
separation of the BOZ block - T+3720.692 s
Command on the 2BL block's engine cut off - T+3869.597 s
Command on separation of the payload - T+3904.597 s
Separation of the payload from the 4th stage - T+3904.627 s
Point of separation : latitude - 35.464 S
longitude - 272.168 E
altitude - 818.656 km
Pre-launch vector on T+535.93 s in EFG
t 00:08:06.83 UTC
x 1122.304 km
y 3268.841 km
z 5626.466 km
vx -5.247745 km/s
vy 5.269865 km/s
vz -2.039442 km/s
Pre-launch vector on T+3904.627 s in EFG
t 01:04:15.527 UTC
x 221.752 km
y -5851.584 km R = 7189.601 km
z -4171.349 km V = 10345.189 m/s
vx 5.567292 km/s
vy -5.132391 km/s
vz 6.702181 km/s
Elements of an osculating orbit at T+3904.627 s
Semimajor axis a 103276.495 km
Eccentricity e 0.93053
Argument of perigee w 314.000 deg
Inclination i 62.821 deg
RAAN 309.936 deg (in Greenwich fixed on the time of launch)
True anomaly 5.292 deg
Nodical period T 91.7 h
Apogee height 796.7 km (above Earth's ellipsoid)
Perigee heihgt 193000.3 km
Back to the Latest News