Galactic EnergyCeres-1SRizhao offshore launch location, Haiyang Oriental Spaceport

Tianqi 16-18 & 20

Name: Tianqi 16-18 & 20 launch
Start: 2025-05-19T07:38:00.000Z
End: 2025-05-19T07:57:00.000Z
Location: Rizhao offshore launch location, Haiyang Oriental Spaceport

Launched

May 19, 2025 · 07:38 UTC

Launch Successful

Summary

Tianqi 16-18 & 20 launched on a Galactic Energy Ceres-1S from Rizhao offshore launch location, Haiyang Oriental Spaceport on May 19, 2025 at 07:38 UTC. The launch window ran from 07:29 to 07:57 UTC. It was Galactic Energy's 20th launch, 4th this year and humanity's 6,958th orbital launch attempt. It was the 5th Ceres-1S flight and the 1st this year. The payload was bound for low Earth orbit (LEO). Tianqi Xingzuo 1-34, one of 4 catalogued objects, reached a 845 × 859 km orbit inclined 45.0°. 4 objects from this launch are catalogued, all of them payloads.

Watch: Live: Ceres-1S Tianqi 37 Launch (No Commentary)International Rocket Launches
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Vehicle: Ceres-1S · Galactic Energy
Booster: No booster details on record.
Mission: Communications · Low Earth Orbit (LEO)
Milestone: 5th Ceres-1S flight · 1st this yearGalactic Energy's 20th launch4th this yearhumanity's 6,958th orbital launch attempt109th orbital launch attempt this year

Flight preview

Orbit: as tracked

45.0°Inclination

845 × 859 kmPerigee × apogeefrom mean elements

101.8 minPeriodfrom mean elements

336.5°Ascending node

514 d agoElement epoch2025-05-19 12:36 UTC · stale

Tianqi Xingzuo 1-34 · NORAD 64058 · 2025-105 · Space-Track · tracking 1 of 4 objects

Show the numbers

Object: TBA - TO BE ASSIGNED
Object ID: 2025-105A
Epoch: 2025-05-19 12:36:28 UTC
Mean motion: 14.14274537 rev/day
Eccentricity: 0.0009566
Inclination: 44.9957°
Ascending node: 336.495°
Arg. of perigee: 302.7261°
Mean anomaly: 142.8471°
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

4 catalogued: 4 payloads; 4 still in orbit

Tianqi Xingzuo 1-34 · NORAD 64058 · in orbit
Tianqi Xingzuo 1-35 · NORAD 64059 · in orbit
Tianqi Xingzuo 1-36 · NORAD 64060 · in orbit
Tianqi Xingzuo 1-37 · NORAD 64061 · in orbit

Data from J. McDowell, planet4589.org

About this launch

4 small satellites for LEO Internet of Things (IoT) communication purposes.

Pad

Rizhao offshore launch location, Haiyang Oriental Spaceport

3rd launch from Rizhao offshore launch location, 1st this year · 16th from Haiyang Oriental Spaceport

Local pad time at liftoff: May 19, 3:38 PM GMT+8, in daylight

7 launches from this pad · 28 from Haiyang Oriental Spaceport

150 days after the previous launch from this pad

All launches from Haiyang Oriental Spaceport Open in maps

Updates

Launch success.

Cosmic_Penguin · May 19, 2025 · source

Show 3 earlier updates

Liftoff.
Cosmic_Penguin · 5/19/2025 · source
Unofficial Re-stream by International Rocket Launches has started
LL2 · 5/19/2025 · source
Added launch per NOTAMs; Payload and launch vehicle identities uncertain.
Cosmic_Penguin · 5/14/2025 · source

Questions

When did Tianqi 16-18 & 20 launch?

Tianqi 16-18 & 20 launched on May 19, 2025 at 07:38 UTC. The launch window ran from 07:29 to 07:57 UTC.

Where can I watch Tianqi 16-18 & 20?

Coverage: Live: Ceres-1S Tianqi 37 Launch (No Commentary); 微博直播. Watch the replay

What rocket launched Tianqi 16-18 & 20?

Ceres-1S, flown by Galactic Energy. Ceres-1S spec sheet

Where did Tianqi 16-18 & 20 launch from?

Rizhao offshore launch location, Haiyang Oriental Spaceport. Liftoff was May 19, 3:38 PM GMT+8 local time at the pad.

What orbit did Tianqi 16-18 & 20 reach?

Tianqi Xingzuo 1-34, one of 4 catalogued objects, reached a 845 × 859 km orbit inclined 45.0°.

How many satellites did Tianqi 16-18 & 20 launch?

4 payloads from this launch are catalogued, 4 of them still in orbit (Data from J. McDowell, planet4589.org).