![[AUTO] Atlas V 551 | STP-3 - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fatlas2520v252_image_20211205093555.jpg&w=1600)
United Launch AllianceAtlas V 551Space Launch Complex 41, Cape Canaveral SFS, FL, USA
STP-3
Launched
December 7, 2021
Summary
STP-3 launched on an United Launch Alliance Atlas V 551 from Space Launch Complex 41, Cape Canaveral SFS, FL, USA on December 7, 2021. It was United Launch Alliance's 148th launch, 5th this year and humanity's 6,163rd orbital launch attempt. It was the 12th Atlas V 551 flight and the 1st this year. The payload was bound for Geostationary Orbit (Direct-GEO). STPSAT-6, one of 5 catalogued objects, reached a 36,103 × 36,119 km orbit inclined 0.1°. 5 objects from this launch are catalogued, 3 of them payloads.
- Watch
- Atlas V STP-3The Space Devs
- Dec. 7 Live Broadcast: Atlas V STP-3United Launch Alliance
- Launch of NASA's Laser Communications Relay Demonstration — LCRD Official Launch CoverageNASA
- Vehicle
- Atlas V 551 · United Launch Alliance
- Booster
- No booster details on record.
- Mission
- Dedicated Rideshare · Geostationary Orbit (Direct-GEO)
- Milestone
- 12th Atlas V 551 flight · 1st this yearUnited Launch Alliance's 148th launch5th this yearhumanity's 6,163rd orbital launch attempt126th orbital launch attempt this year
Webcast
Flight preview
Simulate in Flight ClubOrbit: as tracked
STPSAT-6 · NORAD 49817 · 2021-118 · Space-Track · tracking 1 of 5 objects
Show the numbers for orbit elements
- Object
- STPSAT-6
- Object ID
- 2021-118A
- Epoch
- 2021-12-08 17:44:56 UTC
- Mean motion
- 0.99150401 rev/day
- Eccentricity
- 0.0001915
- Inclination
- 0.0661°
- Ascending node
- 148.3044°
- Arg. of perigee
- 250.6109°
- Mean anomaly
- 217.3196°
- Element set
- 999
- Rev at epoch
- 1
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: Direct-GEO.
Catalogued objects
5 catalogued: 3 payloads, 1 rocket stage, 1 component; 5 still in orbit
- STPSAT-6 · NORAD 49817 · in orbit
- LDPE 1 · NORAD 49818 · in orbit
- ASCENT · NORAD 51287 · in orbit
Centaur AV-093 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Rideshare mission with the STPSat-6 satellite and six secondary payloads for the US Air Force. STPSat-6 carries the NNSA's Space and Atmospheric Burst Reporting System-3 (SABRS-3) payload and NASA's Laser Communications Relay Demonstration (LCRD) experiment.
Pad
Space Launch Complex 41, Cape Canaveral SFS, FL, USA
102nd launch from Space Launch Complex 41, 3rd this year · 829th from Cape Canaveral SFS, FL, USA
125 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
52 days after the previous launch from this pad
Updates
Mission success confirmed
Show 9 earlier updates
24 hour delay
SwGustav · 12/5/2021 · source
24 hour delay
SwGustav · 12/5/2021 · source
Weather 90%
Nosu · 12/2/2021 · source
Delayed due to bad weather during launch vehicle processing.
spacevogel · 11/22/2021 · source
New launch window.
Cosmic_Penguin · 11/11/2021 · source
Delayed to December 4
Nosu · 11/9/2021 · source
Updated NET to 22 Nov
JRascagneres · 9/7/2021 · source
Delayed to July.
Cosmic_Penguin · 6/7/2021 · source
Launch delayed. No new date available yet.
Nosu · 6/4/2021 · source
Questions
When did STP-3 launch?
STP-3 launched on December 7, 2021. The time is known to the hour, not the minute.
Where can I watch STP-3?
Coverage: Atlas V STP-3; Dec. 7 Live Broadcast: Atlas V STP-3; Launch of NASA's Laser Communications Relay Demonstration — LCRD Official Launch Coverage. Watch the replay
What rocket launched STP-3?
Atlas V 551, flown by United Launch Alliance. Atlas V 551 spec sheet
Where did STP-3 launch from?
Space Launch Complex 41, Cape Canaveral SFS, FL, USA.
What orbit did STP-3 reach?
STPSAT-6, one of 5 catalogued objects, reached a 36,103 × 36,119 km orbit inclined 0.1°.
How many satellites did STP-3 launch?
3 payloads from this launch are catalogued, 3 of them still in orbit (Data from J. McDowell, planet4589.org).