United Launch AllianceDelta II 7925H-9.5Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
Dawn
Launched
September 27, 2007
Image: NASA/Regina Mitchell-Ryall & Jerry Cannon
Summary
Dawn launched on an United Launch Alliance Delta II 7925H-9.5 from Space Launch Complex 17B, Cape Canaveral SFS, FL, USA on September 27, 2007. It was United Launch Alliance's 9th launch, 7th this year and humanity's 4,863rd orbital launch attempt. It was the 3rd Delta II 7925H-9.5 flight and the 1st this year. The payload was bound for Heliocentric N/A (Helio-N/A). Dawn, one of 3 catalogued objects, reached a 8,212 × 22,990 km orbit inclined 28.6°. 3 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Planetary Science · Heliocentric N/A (Helio-N/A)
- Milestone
- 3rd Delta II 7925H-9.5 flight · 1st this yearUnited Launch Alliance's 9th launch7th this yearhumanity's 4,863rd orbital launch attempt46th orbital launch attempt this year
Flight preview
Orbit: as tracked
Dawn · NORAD 32249 · 2007-043 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- DAWN
- Object ID
- 2007-043A
- Epoch
- 2007-09-27 12:40:50 UTC
- Mean motion
- 2.66564887 rev/day
- Eccentricity
- 0.3362896
- Inclination
- 28.6369°
- Ascending node
- 1.0332°
- Arg. of perigee
- 301.3662°
- Mean anomaly
- 50.8261°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: Helio-N/A. Ascent drawn from padside's representative profile.
Catalogued objects
3 catalogued: 1 payload, 2 rocket stages
- Dawn · NORAD 32249 · left Earth orbit September 27, 2007
Delta 327 Stage 3 · left Earth orbit September 27, 2007
Delta 327 · re-entered September 18, 2009
Data from J. McDowell, planet4589.org
About this launch
A space probe launch by NASA with the mission of studying known protoplanets of the asteroid belt, Vesta and Ceres.
Pad

Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
128th launch from Space Launch Complex 17B, 2nd this year · 649th from Cape Canaveral SFS, FL, USA
132 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
221 days after the previous launch from this pad
Questions
When did Dawn launch?
Dawn launched on September 27, 2007. The time is known to the hour, not the minute.
Where can I watch Dawn?
No webcast is on record for this launch.
What rocket launched Dawn?
Delta II 7925H-9.5, flown by United Launch Alliance. Delta II 7925H-9.5 spec sheet
Where did Dawn launch from?
Space Launch Complex 17B, Cape Canaveral SFS, FL, USA.
What orbit did Dawn reach?
Dawn, one of 3 catalogued objects, reached a 8,212 × 22,990 km orbit inclined 28.6°.
How many satellites did Dawn launch?
1 payload from this launch is catalogued (Data from J. McDowell, planet4589.org).
Which program is Dawn part of?
Discovery Program. About Discovery Program
