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SpaceXFalcon 9 Full ThrustSpace Launch Complex 4E, Vandenberg SFB, CA, USA
Iridium-4
Launched
December 23, 2017
Summary
Iridium-4 launched on a SpaceX Falcon 9 Full Thrust from Space Launch Complex 4E, Vandenberg SFB, CA, USA on December 23, 2017. It was SpaceX's 52nd launch, 18th this year and humanity's 5,703rd orbital launch attempt. It was the 23rd Falcon 9 Full Thrust flight and the 14th this year. Booster B1036 flew for the 2nd time and was expended. The payload was bound for low Earth orbit (LEO). Iridium Next SV135, one of 10 catalogued objects, reached a 619 × 634 km orbit inclined 86.7°. 10 objects from this launch are catalogued, all of them payloads.
- Watch
- Iridium-4 WebcastSpaceX
- Booster
- Mission
- Communications · Low Earth Orbit (LEO)
- Milestone
- 23rd Falcon 9 Full Thrust flight · 14th this yearSpaceX's 52nd launch18th this yearhumanity's 5,703rd orbital launch attempt88th orbital launch attempt this year
Webcast
Flight preview
Orbit: as tracked
Iridium Next SV135 · NORAD 43070 · 2017-083 · Space-Track · tracking 1 of 10 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2017-083A
- Epoch
- 2017-12-23 05:42:47 UTC
- Mean motion
- 14.83244582 rev/day
- Eccentricity
- 0.0010652
- Inclination
- 86.6957°
- Ascending node
- 176.6288°
- Arg. of perigee
- 255.9151°
- Mean anomaly
- 104.0925°
- 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: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
10 catalogued: 10 payloads; 10 still in orbit
- Iridium Next SV135 · NORAD 43070 · in orbit
- Iridium Next SV138 · NORAD 43071 · in orbit
- Iridium Next SV116 · NORAD 43072 · in orbit
- Iridium Next SV130 · NORAD 43073 · in orbit
- Iridium Next SV151 · NORAD 43074 · in orbit
- Iridium Next SV134 · NORAD 43075 · in orbit
- Iridium Next SV137 · NORAD 43076 · in orbit
- Iridium Next SV141 · NORAD 43077 · in orbit
- Iridium Next SV153 · NORAD 43078 · in orbit
- Iridium Next SV131 · NORAD 43079 · in orbit
Data from J. McDowell, planet4589.org
About this launch
SpaceX’s Falcon 9 rocket will deliver 10 satellites to low Earth orbit for Iridium, a global leader in mobile voice and data satellite communications. This is the fourth set of 10 satellites in a series of 75 total satellites that SpaceX will launch for Iridium’s next generation global satellite constellation, Iridium® NEXT.
Pad
Space Launch Complex 4E, Vandenberg SFB, CA, USA
75th launch from Space Launch Complex 4E, 5th this year · 674th from Vandenberg SFB, CA, USA
303 launches from this pad · 919 from Vandenberg SFB, CA, USA
74 days after the previous launch from this pad
Questions
When did Iridium-4 launch?
Iridium-4 launched on December 23, 2017. The time is known to the hour, not the minute.
Where can I watch Iridium-4?
Coverage: Iridium-4 Webcast. Watch the replay
What rocket launched Iridium-4?
Falcon 9 Full Thrust, flown by SpaceX. Falcon 9 Full Thrust spec sheet
Where did Iridium-4 launch from?
Space Launch Complex 4E, Vandenberg SFB, CA, USA.
Did the booster land?
Booster B1036 flew for the 2nd time and was expended.
What orbit did Iridium-4 reach?
Iridium Next SV135, one of 10 catalogued objects, reached a 619 × 634 km orbit inclined 86.7°.
How many satellites did Iridium-4 launch?
10 payloads from this launch are catalogued, 10 of them still in orbit (Data from J. McDowell, planet4589.org).
Which program is Iridium-4 part of?
Iridium Constellation. About Iridium Constellation