National Research CouncilScout X-4Launch Area 3A, Wallops Flight Facility, Virginia, USA
San Marco 1
Launched
December 15, 1964
Image: U.S. Air Force
Summary
San Marco 1 launched on a National Research Council Scout X-4 from Launch Area 3A, Wallops Flight Facility, Virginia, USA on December 15, 1964. It was National Research Council's 1st launch, 1st this year and humanity's 390th orbital launch attempt. It was the 9th Scout X-4 flight and the 7th this year. The payload was bound for low Earth orbit (LEO). San Marco 1, one of 3 catalogued objects, reached a 209 × 852 km orbit inclined 37.8°. 3 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Scout X-4 · National Research Council
- Booster
- No booster details on record.
- Mission
- Test Flight · Low Earth Orbit (LEO)
- Milestone
- 9th Scout X-4 flight · 7th this yearNational Research Council's 1st launch1st this yearhumanity's 390th orbital launch attempt97th orbital launch attempt this year
Flight preview
Orbit: as tracked
San Marco 1 · NORAD 957 · 1964-084 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1964-084A
- Epoch
- 1964-12-15 21:35:41 UTC
- Mean motion
- 15.14338989 rev/day
- Eccentricity
- 0.0465744
- Inclination
- 37.7721°
- Ascending node
- 226.8715°
- Arg. of perigee
- 113.4397°
- Mean anomaly
- 251.4926°
- Element set
- 999
- Rev at epoch
- 1
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
3 catalogued: 1 payload, 1 rocket stage, 1 component; none still in orbit
- San Marco 1 · NORAD 957 · re-entered September 11, 1965
Scout S137R Stage 4 · re-entered February 7, 1965
Data from J. McDowell, planet4589.org
About this launch
San Marco 1 was an Italian flight test of the satellite to furnish data on air density and ionosphere characteristics. The Scout-X4 launch vehicle was provided by NASA and was launched with an Italian launch crew from Wallops Island.
Pad

Launch Area 3A, Wallops Flight Facility, Virginia, USA
1st launch from Launch Area 3A, 1st this year · 26th from Wallops Flight Facility, Virginia, USA
18 launches from this pad · 87 from Wallops Flight Facility, Virginia, USA
under an hour after the previous launch from this pad
All launches from Wallops Flight Facility, Virginia, USAOpen in maps
Questions
When did San Marco 1 launch?
San Marco 1 launched on December 15, 1964. The time is known to the hour, not the minute.
Where can I watch San Marco 1?
No webcast is on record for this launch.
What rocket launched San Marco 1?
Scout X-4, flown by National Research Council. Scout X-4 spec sheet
Where did San Marco 1 launch from?
Launch Area 3A, Wallops Flight Facility, Virginia, USA.
What orbit did San Marco 1 reach?
San Marco 1, one of 3 catalogued objects, reached a 209 × 852 km orbit inclined 37.8°.
How many satellites did San Marco 1 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
