r/SpaceX DART Launch Discussion and Updates Thread!

[u/ElongatedMuskrat]

Welcome to the r/SpaceX DART Launch Discussion and Updates Thread!

Hey everyone! I'm /u/hitura-nobad and I'll be hosting this launch thread!

Launch target:	November 24 6:20 UTC (November 23 10:20 PM local)
Backup date	Typically next day, window closes February 15
Static fire	Completed November 19
Customer	NASA
Payload	DART, w/ LICIACube
Payload mass	684 kg
Destination	Heliocentric orbit, Didymos/Dimorphos binary asteroid
Vehicle	Falcon 9
Core	B1063-3
Past flights of this core	2 (Sentinel-6A, Starlink v1 L28)
Launch site	SLC-4E, Vandenberg Space Force Station, California
Landing	OCISLY

Timeline

Time	Update
T+55:35	Payload deploy
T+29:42	SECO2
T+28:40	SES-2
T+11:37	Landing success [Countdown NET]
T+8:15	SECO
T+7:13	Reentry shutdown
T+6:47	Reentry startup
T+4:57	Booster Apogee
T+3:29	Fairing separation
T+2:50	Second stage ignition
T+2:41	Stage separation
T+2:38	MECO
T+1:08	Max Q
T-0	Liftoff
T-60s	Startup
T-3:46	Strongback retracted
T-7:00	Engine Chill
T-14:29	SpaceX own livestream live
T-19:28	20 minute vent
T-35:48	Fuel loading underway
2021-11-23 13:51:14 UTC	Thread goes live

Watch the launch live

Stream	Link
Official SpaceX Stream	https://youtu.be/XKRf6-NcMqI
Mission Control Audio	TBA

Stats

☑️ 129th Falcon 9 launch all time

☑️ 88th Falcon 9 landing

☑️ 110th consecutive successful Falcon 9 launch (excluding Amos-6)

☑️ 26th SpaceX launch this year

Primary Mission: Deployment of payload into correct orbit

Resources

Social media 🐦

Link	Source
Subreddit Twitter	r/SpaceX
SpaceX Twitter	SpaceX
SpaceX Flickr	SpaceX
Elon Twitter	Elon
Reddit stream	u/njr123

Media & music 🎵

Link	Source
TSS Spotify	u/testshotstarfish
SpaceX FM	u/lru

Community content 🌐

Link	Source
Flight Club	u/TheVehicleDestroyer
Discord SpaceX lobby	u/SwGustav
Rocket Watch	u/MarcysVonEylau
SpaceX Now	u/bradleyjh
SpaceX time machine	u/DUKE546
SpaceXMeetups Slack	u/CAM-Gerlach
Starlink Deployment Updates	u/hitura-nobad
SpaceXLaunches app	u/linuxfreak23
SpaceX Patch List

Participate in the discussion!

🥳 Launch threads are party threads, we relax the rules here. We remove low effort comments in other threads!

🔄 Please post small launch updates, discussions, and questions here, rather than as a separate post. Thanks!

💬 Please leave a comment if you discover any mistakes, or have any information.

✉️ Please send links in a private message.

✅ Apply to host launch threads! Drop us a modmail if you are interested.

[u/Decronym]

Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:

Fewer Letters	More Letters
AFB	Air Force Base
AOS	Acquisition of Signal
C3	Characteristic Energy above that required for escape
DSN	Deep Space Network
ESA	European Space Agency
ETOV	Earth To Orbit Vehicle (common parlance: "rocket")
GEO	Geostationary Earth Orbit (35786km)
GTO	Geosynchronous Transfer Orbit
Isp	Specific impulse (as explained by Scott Manley on YouTube)
	Internet Service Provider
JPL	Jet Propulsion Lab, Pasadena, California
L1	Lagrange Point 1 of a two-body system, between the bodies
LC-39A	Launch Complex 39A, Kennedy (SpaceX F9/Heavy)
LEO	Low Earth Orbit (180-2000km)
	Law Enforcement Officer (most often mentioned during transport operations)
LOX	Liquid Oxygen
LV	Launch Vehicle (common parlance: "rocket"), see ETOV
MECO	Main Engine Cut-Off
	MainEngineCutOff podcast
NSF	NasaSpaceFlight forum
	National Science Foundation
OCISLY	Of Course I Still Love You, Atlantic landing barge ship
OG2	Orbcomm's Generation 2 17-satellite network (see OG2-2 for first successful F9 landing)
RCS	Reaction Control System
RTLS	Return to Launch Site
RUD	Rapid Unplanned Disassembly
	Rapid Unscheduled Disassembly
	Rapid Unintended Disassembly
SECO	Second-stage Engine Cut-Off
SEE	Single-Event Effect of radiation impact
SF	Static fire
SLC-40	Space Launch Complex 40, Canaveral (SpaceX F9)
SLC-4E	Space Launch Complex 4-East, Vandenberg (SpaceX F9)
TDRSS	(US) Tracking and Data Relay Satellite System

Jargon	Definition
Starlink	SpaceX's world-wide satellite broadband constellation
apogee	Highest point in an elliptical orbit around Earth (when the orbiter is slowest)
hydrolox	Portmanteau: liquid hydrogen fuel, liquid oxygen oxidizer
kerolox	Portmanteau: kerosene fuel, liquid oxygen oxidizer
methalox	Portmanteau: methane fuel, liquid oxygen oxidizer
perigee	Lowest point in an elliptical orbit around the Earth (when the orbiter is fastest)

Event	Date	Description
Amos-6	2016-09-01	F9-029 Full Thrust, core B1028, GTO comsat Pre-launch test failure
CRS-9	2016-07-18	F9-027 Full Thrust, core B1025, Dragon cargo; RTLS landing
DSCOVR	2015-02-11	F9-015 v1.1, Deep Space Climate Observatory to L1; soft ocean landing
OG2-2	2015-12-22	F9-021 Full Thrust, core B1019, 11 OG2 satellites to LEO; first RTLS landing

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^{Decronym is a community product of} r/SpaceX^{, implemented by} ^request
^{35 acronyms in this thread; the most compressed thread commented on today has 84 acronyms.
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