Technical information

Reliable technical data is hard to come by but after some research I have found that these below show at least a good estimate of what should be close to the thruth.

Powerplant
2 x Tumanskiy R13-300
Take-off rating
      dry
2 x 40,2 kN
      reheat
2 x 64,7 kN
Length (less pitot)
20,54 m
Wing span
9,34 m
Wing area
36,6 m²
Aileron area
1,51 m²
Horizontal tail area
5,58 m²
Vertical tail area
6,951 m²
 
Take-off weight
      normal (with two R-98 missiles)
17194 kg
      maximum (with two R-98 & R-60 missiles + two drop tanks)
17900 kg
Empty weight
10874 kg
Landing weight
12060 kg
Fuel load (without drop tanks)
5550 kg
Thrust/weight ratio
0,92
Wing loading
397 kg/m²
Top speed
      at sea level
1300 km/h
      at high altitude (15000 m)
2230 km/h
Mach number at high altitude
2,16
Service ceiling
18500 m
G limit
6,5
Unstick speed
370 km/h
Landing speed
285-295 km/h
Range
      on internal fuel
1380 km
      with drop tanks
1700 km
Endurance
1 h 41 min
Interception range
      head-on mode
           cruise mode
504 km
           full military power
360 km
           full afterburner
300 km
      pursuit mode
           cruise mode
450 km
           full military power
240 km
           full afterburner
55 km
Take-off run
1000 - 1100 m
Landing run
      without brake chute
1050 - 1150 m
      with brake chute
850 - 950
 
Radar type
Taifoon-M
Target detection range
      at high altitude
65 km
      at low altitude
15 km
Target trackning range
      at high altitude
45 km
      at low altitude
10 km
Scan limits
      azimuth
± 70°
      elevation
+ 30° / - 10°
 
Weapon information
      R-98M
           launch range
                head-on mode (target elevation 4000 - 5000 m)
5-24 km
                pursuit mode
2-15 km
                at low alitude
2 - 3,5 km
           design g-load
14 g
           operational on-wing g-load
3 g
      R-60
           launch range
                head-on mode (target elevation 2000 m)
-
                pursuit mode
0,2 - 1,6 km
                at low alitude
0,3 - 1,5 km
           design g-load
42 g
           operational on-wing g-load
5 g
   
Pylon ordonance capabilities
1
3
5
6
4
2
     R-8MR / R-8MT / R-98MR / R-98MT
X
X
     R-60 / R-60M
X
X
     UPK-23-250
X
X
     600L drop tanks
X
X
     Free fall bombs (up to 500 kg)
X
X
     Attack heavy rockets
X
X
    Rocket pods
X
X

1,2 = outer wing pylons
3,4 = inner wing pylons
5,6 = under fuselage pylons

Sources:   Red Star volume 16, Sukhoi Interceptors - The Su-9/-11/-15 and other types, by Yefim Gordon