European Space Research OrganisationScout BSpace Launch Complex 5, Vandenberg SFB, CA, USA
ESRO 2B
Launched
May 17, 1968
Image: NASA
Summary
ESRO 2B launched on an European Space Research Organisation Scout B from Space Launch Complex 5, Vandenberg SFB, CA, USA on May 17, 1968. It was European Space Research Organisation's 2nd launch, 1st this year and humanity's 832nd orbital launch attempt. It was the 12th Scout B flight and the 2nd this year. The payload was bound for Polar Orbit (PO). ESRO IIB, one of 3 catalogued objects, reached a 334 × 1,099 km orbit inclined 97.2°. 3 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Scout B · European Space Research Organisation
- Booster
- No booster details on record.
- Mission
- Astrophysics · Polar Orbit (PO)
- Milestone
- 12th Scout B flight · 2nd this yearEuropean Space Research Organisation's 2nd launch1st this yearhumanity's 832nd orbital launch attempt44th orbital launch attempt this year
Flight preview
Orbit: as tracked
ESRO IIB · NORAD 3233 · 1968-041 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1968-041A
- Epoch
- 1968-05-17 04:48:13 UTC
- Mean motion
- 14.54961997 rev/day
- Eccentricity
- 0.0539261
- Inclination
- 97.1913°
- Ascending node
- 321.6368°
- Arg. of perigee
- 167.1264°
- Mean anomaly
- 194.4238°
- Element set
- 999
- Rev at epoch
- 2
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: PO. Ascent drawn from padside's representative profile.
Catalogued objects
3 catalogued: 1 payload, 1 rocket stage, 1 component; none still in orbit
- ESRO IIB · NORAD 3233 · re-entered May 8, 1971
Scout S161C Stage 4 · re-entered March 30, 1970
Data from J. McDowell, planet4589.org
About this launch
ESRO 2 (European Space Research Organisation), Iris (International Radiation Investigation Satellite) was a 75 kg spin-stabilized spacecraft.
Pad
Space Launch Complex 5, Vandenberg SFB, CA, USA
33rd launch from Space Launch Complex 5, 2nd this year · 296th from Vandenberg SFB, CA, USA
69 launches from this pad · 919 from Vandenberg SFB, CA, USA
75 days after the previous launch from this pad
Questions
When did ESRO 2B launch?
ESRO 2B launched on May 17, 1968. The time is known to the hour, not the minute.
Where can I watch ESRO 2B?
No webcast is on record for this launch.
What rocket launched ESRO 2B?
Scout B, flown by European Space Research Organisation. Scout B spec sheet
Where did ESRO 2B launch from?
Space Launch Complex 5, Vandenberg SFB, CA, USA.
What orbit did ESRO 2B reach?
ESRO IIB, one of 3 catalogued objects, reached a 334 × 1,099 km orbit inclined 97.2°.
How many satellites did ESRO 2B launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).