United States Air ForceThor DM-21 AblestarSpace Launch Complex 2E, Vandenberg SFB, CA, USA
Transit 5BN-1
Launched
September 28, 1963
Summary
Transit 5BN-1 launched on an United States Air Force Thor DM-21 Ablestar from Space Launch Complex 2E, Vandenberg SFB, CA, USA on September 28, 1963. It was United States Air Force's 164th launch, 38th this year and humanity's 273rd orbital launch attempt. It was the 12th Thor DM-21 Ablestar flight and the 1st this year. The payload was bound for Polar Orbit (PO). Transit VBN-1, one of 16 catalogued objects, reached a 1,079 × 1,138 km orbit inclined 89.9°. 16 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
- 12th Thor DM-21 Ablestar flight · 1st this yearUnited States Air Force's 164th launch38th this yearhumanity's 273rd orbital launch attempt49th orbital launch attempt this year
Flight preview
Orbit: as tracked
Transit VBN-1 · NORAD 670 · 1963-038 · Space-Track · tracking 1 of 16 objects
Show the numbers for orbit elements
- Object
- TRANSIT 5B-1
- Object ID
- 1963-038B
- Epoch
- 1963-09-29 18:56:11 UTC
- Mean motion
- 13.42190731 rev/day
- Eccentricity
- 0.0039409
- Inclination
- 89.9064°
- Ascending node
- 12.5427°
- Arg. of perigee
- 275.7667°
- Mean anomaly
- 83.7841°
- Element set
- 999
- Rev at epoch
- 13
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: PO.
Catalogued objects
16 catalogued: 2 payloads, 1 rocket stage, 10 debris, 3 components; 9 still in orbit
- Transit VBN-1 · NORAD 670 · in orbit
- Transit VE-1 · NORAD 671 · in orbit
Ablestar 013 · 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
13th launch from Space Launch Complex 2E, 5th this year · 109th from Vandenberg SFB, CA, USA
47 launches from this pad · 919 from Vandenberg SFB, CA, USA
71 days after the previous launch from this pad
Questions
When did Transit 5BN-1 launch?
Transit 5BN-1 launched on September 28, 1963. The time is known to the hour, not the minute.
Where can I watch Transit 5BN-1?
No webcast is on record for this launch.
What rocket launched Transit 5BN-1?
Thor DM-21 Ablestar, flown by United States Air Force. Thor DM-21 Ablestar spec sheet
Where did Transit 5BN-1 launch from?
Space Launch Complex 2E, Vandenberg SFB, CA, USA.
What orbit did Transit 5BN-1 reach?
Transit VBN-1, one of 16 catalogued objects, reached a 1,079 × 1,138 km orbit inclined 89.9°.
How many satellites did Transit 5BN-1 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)