Soviet Space ProgramUR-50081/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
Proton 3
Launched
July 6, 1966
Image: Gunter's Space Page
Summary
Proton 3 launched on a Soviet Space Program UR-500 from 81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan on July 6, 1966. It was Soviet Space Program's 191st launch, 29th this year and humanity's 584th orbital launch attempt. It was the 4th UR-500 flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). Proton-3, one of 4 catalogued objects, reached a 189 × 616 km orbit inclined 63.5°. 4 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- UR-500 · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Astrophysics · Low Earth Orbit (LEO)
- Milestone
- 4th UR-500 flight · 2nd this yearSoviet Space Program's 191st launch29th this yearhumanity's 584th orbital launch attempt67th orbital launch attempt this year
Flight preview
Orbit: as tracked
Proton-3 · NORAD 2290 · 1966-060 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1966-060A
- Epoch
- 1966-07-07 13:18:59 UTC
- Mean motion
- 15.57461342 rev/day
- Eccentricity
- 0.0315287
- Inclination
- 63.4713°
- Ascending node
- 145.4422°
- Arg. of perigee
- 60.2428°
- Mean anomaly
- 302.8811°
- Element set
- 999
- Rev at epoch
- 16
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Catalogued objects
4 catalogued: 1 payload, 1 rocket stage, 2 components; none still in orbit
- Proton-3 · NORAD 2290 · re-entered September 16, 1966
UR-500 No. 212 Stage 2 · re-entered August 21, 1966
Data from J. McDowell, planet4589.org
About this launch
The N-4 series of satellites, a.k.a. Proton-1, carried instruments to study super-high energy cosmic particles.
Pad

81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
4th launch from 81/23 (81L), 2nd this year · 148th from Baikonur Cosmodrome, Republic of Kazakhstan
104 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
103 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Proton 3 launch?
Proton 3 launched on July 6, 1966. The time is known to the hour, not the minute.
Where can I watch Proton 3?
No webcast is on record for this launch.
What rocket launched Proton 3?
UR-500, flown by Soviet Space Program. UR-500 spec sheet
Where did Proton 3 launch from?
81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Proton 3 reach?
Proton-3, one of 4 catalogued objects, reached a 189 × 616 km orbit inclined 63.5°.
How many satellites did Proton 3 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
