United States Air ForceThor DM-21 AblestarSpace Launch Complex 2E, Vandenberg SFB, CA, USA
Transit-5BN 2
Launched
December 5, 1963
Summary
Transit-5BN 2 launched on an United States Air Force Thor DM-21 Ablestar from Space Launch Complex 2E, Vandenberg SFB, CA, USA on December 5, 1963. It was United States Air Force's 172nd launch, 46th this year and humanity's 287th orbital launch attempt. It was the 13th Thor DM-21 Ablestar flight and the 2nd this year. The payload was bound for Polar Orbit (PO). The tracked orbit of Transit VBN-2, one of 14 catalogued objects, from December 8, 1963, was 1,076 × 1,117 km inclined 90.0°. 14 objects from this launch are catalogued, 2 of them payloads.
- Watch
- No webcast on record.
- Vehicle
- Thor DM-21 Ablestar · United States Air Force
- Booster
- No booster details on record.
- Mission
- Navigation · Polar Orbit (PO)
- Milestone
- 13th Thor DM-21 Ablestar flight · 2nd this yearUnited States Air Force's 172nd launch46th this yearhumanity's 287th orbital launch attempt63rd orbital launch attempt this year
Flight preview
Orbit: as tracked
Transit VBN-2 · NORAD 704 · 1963-049 · Space-Track · tracking 1 of 14 objects
Show the numbers for orbit elements
- Object
- TRANSIT 5B-2
- Object ID
- 1963-049B
- Epoch
- 1963-12-08 20:36:23 UTC
- Mean motion
- 13.45339753 rev/day
- Eccentricity
- 0.0027804
- Inclination
- 89.9546°
- Ascending node
- 102.2276°
- Arg. of perigee
- 303.8407°
- Mean anomaly
- 55.8964°
- Element set
- 999
- Rev at epoch
- 40
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: PO.
Catalogued objects
14 catalogued: 2 payloads, 1 rocket stage, 9 debris, 2 components; 9 still in orbit
- Transit VBN-2 · NORAD 704 · in orbit
- Transit VE-3 · NORAD 705 · in orbit
Ablestar 015 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Transit navigation satellite equipped with nuclear power.
Pad

Space Launch Complex 2E, Vandenberg SFB, CA, USA
14th launch from Space Launch Complex 2E, 6th this year · 114th from Vandenberg SFB, CA, USA
47 launches from this pad · 919 from Vandenberg SFB, CA, USA
68 days after the previous launch from this pad
Questions
When did Transit-5BN 2 launch?
Transit-5BN 2 launched on December 5, 1963. The time is known to the hour, not the minute.
Where can I watch Transit-5BN 2?
No webcast is on record for this launch.
What rocket launched Transit-5BN 2?
Thor DM-21 Ablestar, flown by United States Air Force. Thor DM-21 Ablestar spec sheet
Where did Transit-5BN 2 launch from?
Space Launch Complex 2E, Vandenberg SFB, CA, USA.
What orbit did Transit-5BN 2 reach?
The tracked orbit of Transit VBN-2, one of 14 catalogued objects, from December 8, 1963, was 1,076 × 1,117 km inclined 90.0°.
How many satellites did Transit-5BN 2 launch?
2 payloads from this launch are catalogued, 2 of them still in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Thor DM-21 Ablestar - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fthor2520dm-212520ablestar_image_20191201205131.jpg&w=1600)