Launch News SpaceX 1st Block 5 F9: Bangabandhu Satellite-1 Mission (20:12 UTC, May 10 2018)

Nicholas Kang

Tutorial Publisher
Tutorial Publisher
News Reporter
Joined
Apr 3, 2016
Messages
522
Reaction score
10
Points
18
Location
-
Falcon-9-Block-5-879x485.png

SpaceX is targeting launch of Bangabandhu Satellite-1 on Thursday, May 10 from Launch Complex 39A (LC-39A) at NASA’s Kennedy Space Center, Florida. The launch window opens at 4:12 p.m. EDT, or 20:12 UTC, and closes at 6:22 p.m. EDT, or 22:22 UTC. A backup launch window opens on Friday, May 11 at 4:14 p.m. EDT, or 20:14 UTC, and closes at 6:21 p.m. EDT, or 22:21 UTC. Bangabandhu Satellite-1 will be deployed into a geostationary transfer orbit (GTO) approximately 33 minutes after launch.

The Bangabandhu Satellite-1 mission will be the first to utilize Falcon 9 Block 5, the final substantial upgrade to SpaceX’s Falcon 9 launch vehicle. Falcon 9 Block 5 is designed to be capable of 10 or more flights with very limited refurbishment as SpaceX continues to strive for rapid reusability and extremely high reliability. Following stage separation, SpaceX will attempt to land Falcon 9’s first stage on the “Of Course I Still Love You” droneship, which will be stationed in the Atlantic Ocean.

Live webcast:



About the Satellite:

bangabandhu-1__1.jpg

Bangabandhu 1 is the first Bangladeshian geostationary communications satellite.

The satellite was ordered in November 2015 from Thales Alenia Space, who will build, launch and operate the satellite for the Bangladesh Telecommunication Regulatory Commission.

Built on Thales Alenia Space's Spacebus-4000B2 platform, Bangabandhu 1 will be stationed at an orbital slot at longitude 119.1° east with 14 standard C-band transponders and 26 Ku-band transponders.

{colsp=2}
Specifications

Type/Application:|
  • Communication

Operator:|
  • Thales Alenia Space for Bangladesh Telecommunication Regulatory Commission (BTRC)

Equipment:|
  • 14 standard C-band transponders
  • 26 Ku-band transponders

Configuration:|
Propulsion:|
  • S400

Power:|
  • 2 deployable solar arrays
  • Batteries

Lifetime:|
  • 15 years

Mass:|
  • ~3700 kg

Orbit:|
  • GEO

SpaceX Block 5 improvements/changes:

  • For increased payload:
    • 7–8% more thrust by uprating the engines;
    • an improved flight control system for an optimized angle of attack on the descent, lowering landing fuel requirements.
  • For reusability endurance:
    • a reusable heat shield protecting the engines and plumbing at the base of the rocket;
    • more temperature-resistant cast and machined titanium grid fins;
    • a thermal protection coating on the first stage to limit reentry heating damage;
    • Redesigned and requalified valves for higher levels and much longer duration.
  • For rapid reusability:
    • a set of retractable landing legs for rapid recovery and shipping.
  • External look
    • the interstage structure that connects the first and second stages will be black and unpainted.


L-1 Weather Forecast:

Time​
|
Temps​
|
Humidity​
|
Pressure​
|
Solar Activity​
|
Surface Visibility​
|
Wind​
|
Weather
10 May 2018/1612-1822 EDT (2012-2222 UTC)​
|
78 °F​
|
60%​
|
30.15 inHg​
|
Low​
|
7 miles​
|
070° @ 15-20 (200’)​
|
None​

Launch day probability of violating launch weather constraints: 20%
Primary concern(s): Thick Cloud Layer Rule

Delay day probability of violating launch weather constraints: 40%
Primary concern(s): Thick Cloud Layer Rule

(Latest weather forecast is available here.)


Links:
 
Last edited:

GLS

Well-known member
Orbiter Contributor
Addon Developer
Joined
Mar 22, 2008
Messages
5,143
Reaction score
1,835
Points
188
Website
github.com
It has been a while since the last time 39A didn't have the RSS...
LC39%20construction%201977%20378609_325161494173343_1214188836_n.jpg
 

boogabooga

Bug Crusher
Joined
Apr 16, 2011
Messages
2,999
Reaction score
0
Points
0
Anyone know why T0 keeps slipping?

---------- Post added at 05:45 PM ---------- Previous post was at 04:22 PM ----------

Terminal countdown...

---------- Post added at 05:48 PM ---------- Previous post was at 05:45 PM ----------

Abort!
 

Thunder Chicken

Fine Threads since 2008
Donator
Joined
Mar 22, 2008
Messages
3,159
Reaction score
1,598
Points
138
Location
Massachusetts

More like "scrub" :thumbup: I just checked in and wondered how an unmanned mission could be aborted post-launch :hmm:.

I started thinking that SpaceX developed a way to shut down the booster, dump fuel, and land with the payload like an airliner. I wouldn't put it past them.
 

boogabooga

Bug Crusher
Joined
Apr 16, 2011
Messages
2,999
Reaction score
0
Points
0
They were about an hour late getting started. Not sure why. Then, they had an "abort" at T-58. The abort has since led to a scrub.
 

Andy44

owner: Oil Creek Astronautix
Addon Developer
Joined
Nov 22, 2007
Messages
7,620
Reaction score
6
Points
113
Location
In the Mid-Atlantic states
More like "scrub" :thumbup: I just checked in and wondered how an unmanned mission could be aborted post-launch :hmm:.

Any mission can be aborted post launch when the range safety officer pushes the Big Red Button.

"Abort" doesn't necessarily mean you get the payload back intact, of course.
 

Thunder Chicken

Fine Threads since 2008
Donator
Joined
Mar 22, 2008
Messages
3,159
Reaction score
1,598
Points
138
Location
Massachusetts
[ame="https://www.youtube.com/watch?v=-X3DDJXzcxk"]SpaceX launches new Falcon 9 Block 5 rocket - YouTube[/ame]

Another one! Can't wait to see this core get 10 flights in.
 
Last edited:

boogabooga

Bug Crusher
Joined
Apr 16, 2011
Messages
2,999
Reaction score
0
Points
0
"This video contains blah blah...blocked on copyright grounds."
 

ADSWNJ

Scientist
Addon Developer
Joined
Aug 5, 2011
Messages
1,664
Reaction score
2
Points
38
Big thumbs up to SpaceX for the paint job on the new Block 5. It's evocative of Mariner, Gemini and Saturn. With the black grid fins folded down for launch, you even get the black + white checkerboard effect as well.
 
Top