Russian Aerospace Defence ForcesSoyuz 2.1a43/4 (43R), Plesetsk Cosmodrome, Russian Federation
Bars-M (Kosmos 2503)
Launched
February 27, 2015
Summary
Bars-M No.1 (Kosmos 2503) launched on a Russian Aerospace Defence Forces Soyuz 2.1a from 43/4 (43R), Plesetsk Cosmodrome, Russian Federation on February 27, 2015. It was Russian Aerospace Defence Forces's 19th launch, 1st this year and humanity's 5,452nd orbital launch attempt. It was the 6th Soyuz 2.1a flight and the 1st this year. The payload was bound for Sun-Synchronous Orbit (SSO). Kosmos-2503, one of 2 catalogued objects, reached a 335 × 547 km orbit inclined 97.6°. 2 objects from this launch are catalogued, one of them a payload.
- Vehicle
- Soyuz 2.1a · Russian Aerospace Defence Forces
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Sun-Synchronous Orbit (SSO)
- Milestone
- 6th Soyuz 2.1a flight · 1st this yearRussian Aerospace Defence Forces's 19th launch1st this yearhumanity's 5,452nd orbital launch attempt10th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-2503 · NORAD 40420 · 2015-009 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2015-009A
- Epoch
- 2015-02-27 12:49:16 UTC
- Mean motion
- 15.44226307 rev/day
- Eccentricity
- 0.0155607
- Inclination
- 97.6365°
- Ascending node
- 18.2808°
- Arg. of perigee
- 72.2581°
- Mean anomaly
- 26.5337°
- 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: SSO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 1 still in orbit
- Kosmos-2503 · NORAD 40420 · in orbit
Soyuz-2-1a 46-243 Blok-I · re-entered March 2, 2016
Data from J. McDowell, planet4589.org
About this launch
Kosmos 2503 is the first Bars-M electro-optical cartographic satellite for the Russian Ministry of Defence, replacing the film-return Kometa mapping satellites.
Pad

43/4 (43R), Plesetsk Cosmodrome, Russian Federation
280th launch from 43/4 (43R), 1st this year · 1,604th from Plesetsk Cosmodrome, Russian Federation
329 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
64 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Bars-M No.1 (Kosmos 2503) launch?
Bars-M No.1 (Kosmos 2503) launched on February 27, 2015. The time is known to the hour, not the minute.
Where can I watch Bars-M No.1 (Kosmos 2503)?
Coverage: Launch of Russian Soyuz from Plesetsk carrying the new Bars-M1 digital Spysat. Watch the replay
What rocket launched Bars-M No.1 (Kosmos 2503)?
Soyuz 2.1a, flown by Russian Aerospace Defence Forces. Soyuz 2.1a spec sheet
Where did Bars-M No.1 (Kosmos 2503) launch from?
43/4 (43R), Plesetsk Cosmodrome, Russian Federation.
What orbit did Bars-M No.1 (Kosmos 2503) reach?
Kosmos-2503, one of 2 catalogued objects, reached a 335 × 547 km orbit inclined 97.6°.
How many satellites did Bars-M No.1 (Kosmos 2503) launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Soyuz 2.1a - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fsoyuz_2.1a_image_20230805184309.jpg&w=1600)