Agency for Defense DevelopmentMir (3 stage)ADD Offshore launch platform, Sea Launch
S-STEP
Launched
December 4, 2023 · 05:00 UTC
Image: Yonhap
Summary
S-STEP launched on an Agency for Defense Development Mir (3 stage) from ADD Offshore launch platform, Sea Launch on December 4, 2023 at 05:00 UTC. It was Agency for Defense Development's 1st launch, 1st this year and humanity's 6,565th orbital launch attempt. It was the 1st Mir (3 stage) flight. The payload was bound for low Earth orbit (LEO). Doory-Sat, one of 2 catalogued objects, reached a 643 × 661 km orbit inclined 47.0°. 2 objects from this launch are catalogued, one of them a payload.
- Vehicle
- Mir (3 stage) · Agency for Defense Development
- Booster
- No booster details on record.
- Mission
- Earth Science · Low Earth Orbit (LEO)
- Milestone
- 1st Mir (3 stage) flightAgency for Defense Development's 1st launch1st this yearhumanity's 6,565th orbital launch attempt197th orbital launch attempt this year
Flight preview
Orbit: as tracked
Doory-Sat · NORAD 58500 · 2023-188 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2023-188A
- Epoch
- 2023-12-04 09:43:47 UTC
- Mean motion
- 14.75110873 rev/day
- Eccentricity
- 0.0012292
- Inclination
- 46.9843°
- Ascending node
- 129.9984°
- Arg. of perigee
- 331.0967°
- Mean anomaly
- 114.8371°
- 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
2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit
- Doory-Sat · NORAD 58500 · in orbit
ADD TV2 Stage 3 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Note: Launch vehicle name is provisional. Prototype small synthetic-aperture radar (SAR) satellite built by Hanhwa Aerospace on a planar satellite bus. First orbital test launch of the South Korean military small satellite launch vehicle after 2 sub-orbital tests of individual stages on 30 March and 30 December 2022. Does not include planned 2nd stage of the full LV.
Pad
ADD Offshore launch platform, Sea Launch
1st launch from ADD Offshore launch platform, 1st this year · 40th from Sea Launch
1 launches from this pad · 40 from Sea Launch
under an hour after the previous launch from this pad
Updates
Launch success.
Questions
When did S-STEP launch?
S-STEP launched on December 4, 2023 at 05:00 UTC.
Where can I watch S-STEP?
Coverage: 우주 공간에서 발사체와 분리되는 국산 소형 SAR 위성! 국내 최초 순수 우리기술로 개발한 지구 관측 위성이 자체 발사와 교신 모두 성공!. Watch the replay
What rocket launched S-STEP?
Mir (3 stage), flown by Agency for Defense Development. Mir (3 stage) spec sheet
Where did S-STEP launch from?
ADD Offshore launch platform, Sea Launch.
What orbit did S-STEP reach?
Doory-Sat, one of 2 catalogued objects, reached a 643 × 661 km orbit inclined 47.0°.
How many satellites did S-STEP launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).