Name: Kosmos-2503 — launch
Start: 2015-02-27
Location: 1-y Gosudarstvenniy Ispitatelniy Kosmodrom MO RF

Launch code: OS. Source references: zenite.nu; NK1504-38.

Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)

2015-06-05 Kosmos-2505 — launch Shares a spacecraft, person or other linked entity
2014-05-06 Kosmos-2495 — launch Shares a spacecraft, person or other linked entity
2014-10-30 Meridian No. 17L — launch Shares a spacecraft, person or other linked entity
2015-06-23 Kosmos-2506 — launch Same organization: Aerospace Defence Forces
2015-11-17 Kosmos-2510 — launch Same organization: Aerospace Defence Forces
2015-12-05 Kosmos-2511/2512 — launch Same organization: Aerospace Defence Forces