China Aerospace Science and Technology CorporationLong March 3B/ELaunch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China
APStar-6C
Launched
May 3, 2018 · 16:06 UTC
Image: China Aerospace Science and Technology Corporation
Summary
APStar-6C launched on a China Aerospace Science and Technology Corporation Long March 3B/E from Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China on May 3, 2018 at 16:06 UTC. The launch window ran from 16:00 to 16:41 UTC. It was China Aerospace Science and Technology Corporation's 220th launch, 13th this year and humanity's 5,747th orbital launch attempt. It was the 25th Long March 3B/E flight and the 1st this year. The payload was bound for Geostationary Transfer Orbit (GTO). Apstar 6C, one of 2 catalogued objects, reached a 246 × 41,834 km orbit inclined 27.2°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Transfer Orbit (GTO)
- Milestone
- 25th Long March 3B/E flight · 1st this yearChina Aerospace Science and Technology Corporation's 220th launch13th this yearhumanity's 5,747th orbital launch attempt41st orbital launch attempt this year
Flight preview
Orbit: as tracked
Apstar 6C · NORAD 43450 · 2018-041 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2018-041A
- Epoch
- 2018-05-03 18:35:54 UTC
- Mean motion
- 1.91297143 rev/day
- Eccentricity
- 0.7585988
- Inclination
- 27.1831°
- Ascending node
- 100.3816°
- Arg. of perigee
- 179.5173°
- Mean anomaly
- 60.5798°
- 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: GTO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 1 still in orbit
- Apstar 6C · NORAD 43450 · in orbit
CZ-3B Y55 Stage 3 · re-entered July 7, 2021
Data from J. McDowell, planet4589.org
About this launch
APStar-6C is a commercial communications satellite for APT Satellite Company Ltd under an end-to-end contract signed with China Great Wall Industry Corp. (CGWIC) for satellite production and launch services. It will deliver VSAT, video distribution, Direct-to-home television and cellular backhaul to the Asia-Pacific Region.
Pad

Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China
71st launch from Launch Complex 2 (LC-2), 3rd this year · 113th from Xichang Satellite Launch Center, People's Republic of China
Local pad time at liftoff: May 4, 12:06 AM GMT+8, at night
126 launches from this pad · 242 from Xichang Satellite Launch Center, People's Republic of China
34 days after the previous launch from this pad
All launches from Xichang Satellite Launch Center, People's Republic of ChinaOpen in maps
Questions
When did APStar-6C launch?
APStar-6C launched on May 3, 2018 at 16:06 UTC. The launch window ran from 16:00 to 16:41 UTC.
Where can I watch APStar-6C?
No webcast is on record for this launch.
What rocket launched APStar-6C?
Long March 3B/E, flown by China Aerospace Science and Technology Corporation. Long March 3B/E spec sheet
Where did APStar-6C launch from?
Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China. Liftoff was May 4, 12:06 AM GMT+8 local time at the pad.
What orbit did APStar-6C reach?
Apstar 6C, one of 2 catalogued objects, reached a 246 × 41,834 km orbit inclined 27.2°.
How many satellites did APStar-6C launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Long March 3B/E | ChinaSat 26 - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Flong2520march_image_20230907120240.jpeg&w=1600)