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Blagovest

Military communications satellitesIn servicePending verification

Also known as: 14F149

SpaceRUS
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Fact cardConfidence · Source
System
TypeMilitary communications satellites
Alternative designations14F149
ProliferationOrigin country only
Satellites42017–2019Med[1]
Orbit
Orbit regimeGEOMed[1]
Design life15 yearsMed[1]
Catalogued on orbit4Payloads with current element sets in the public catalog, active or not. Blagovest 11L-14L flew as Kosmos 2520, 2526, 2533 and 2539.High[2]
Active (CelesTrak)4Count in the CelesTrak active satellites list, which estimates operational status.Med[2]
Perigee35,783–35,785 kmActive satellites per CelesTrak, element epoch about 2026-11-08.High[2]
Apogee35,787–35,789 kmActive satellites per CelesTrak, element epoch about 2026-11-08.High[2]
Orbital period1,436–1,436.1 minActive satellites per CelesTrak, element epoch about 2026-11-08.High[2]
Inclination0–0.05 °Active satellites per CelesTrak, element epoch about 2026-11-08.High[2]
Catalogued satellites · 4[2]
NameNORADCOSPARPerigee kmApogee kmIncl. °Period minStatus
COSMOS 2520429072017-046A35,78535,7890.021436.1Active
COSMOS 2526434322018-037A35,78535,7870.021436.1Active
COSMOS 2533438672018-107A35,78535,7870.051436.1Active
COSMOS 2539444572019-048A35,78335,78801436Active

Mean elements at epoch 2026-11-08 or later. Perigee and apogee are computed from mean motion and eccentricity and are approximate. Status follows the CelesTrak active list.

Summary

Geostationary communications satellites on the Ekspress-2000 bus, launched as Kosmos satellites.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
Sources
  1. Blagovest 1–4 (14F149), Gunter's Space Page
    Tier 3 · checked 2026-11-08
  2. NORAD GP element sets (current data), CelesTrak (data from the U.S. Space Force 18th/19th Space Defense Squadron catalog)
    Published/updated 2026-11-08 · Tier 1 · checked 2026-11-08
Change log
  • 2026-11-08 Entry created from cited open sources
  • 2026-11-08 Orbital elements from CelesTrak GP data (epoch about 2026-11-08): 4 catalogued, 4 active.