The designation Kosmos ( meaning Cosmos) is a generic name given to a large number of Soviet Union, and subsequently Russian, satellites, the first of which was launched in 1962. Satellites given Kosmos designations include military spacecraft, failed probes to the Moon and the planets, prototypes for crewed spacecraft, and scientific spacecraft. This is a list of satellites with Kosmos designations between 2501 and 2750.
Designation Type Launch date (UTC) Carrier rocket Function Decay Remarks Kosmos 2501 GLONASS-K1 702K 30 November 201421:52 Soyuz-2.1b/Fregat Navigation in orbit Kosmos 2502 Lotos-S1 No.1 (802) 25 December 201403:01 Soyuz-2.1b ELINT in orbit Kosmos 2503 Bars-M 1L 27 February 201511:01 Soyuz-2.1a Cartography/Reconnaissance in orbit Kosmos 2504 Unknown 31 March 201513:47 Rokot/Briz-KM 11A05 Undisclosed in orbit Possible ASAT or close satellite monitoring test. Kosmos 2505 Kobalt-M №10 5 June 201515:23 Soyuz-2.1a Optical surveillance in orbit Kosmos 2506 Persona 23 June 201516:44 Soyuz-2.1b Reconnaissance in orbit Kosmos 2507 Strela-3M 13 21:59 Rokot-KM Military communications in orbit 3 satellites in 1 launch Kosmos 2508 Strela-3M 14 Military communications in orbit Kosmos 2509 Strela-3M 15 Military communications in orbit Kosmos 2510 EKS-1 (Tundra 11L) 17 November 2015 06:33 Soyuz-2.1b / Fregat-M Missile early warning in orbit Kosmos 2511 Kanopus-ST 5 December 2015 14:08 Soyuz-2-1v/Volga Earth observation failed to separate 2 satellites in 1 launch Kosmos 2512 KYuA-1 Radar calibration in orbit Kosmos 2513 Garpun-12L 15 December 201511:03 Proton-M/Briz-M Military communications in orbit Kosmos 2514 GLONASS-M 751 7 February 201603:21 Soyuz-2.1b/Fregat Navigation in orbit Kosmos 2515 Bars-M 2L 24 March 201609:42 Soyuz-2.1a Cartography/Reconnaissance in orbit Kosmos 2516 GLONASS-M 753 29 May 201603:21 Soyuz-2.1b/Fregat Navigation in orbit Kosmos 2517 Geo-IK-2 (Geo-IK-2 12L) 4 June 201614:00 Rokot/Briz-KM Geodesy in orbit Kosmos 2518 EKS-2 (Tundra 12L) 25 May 2017 06:33 Soyuz-2.1b / Fregat-M Missile early warning in orbit Kosmos 2519 Napryazhenie / 14F150 / Nivelir 23 June 2017 18:04 Soyuz-2.1v / Volga Undisclosed. Presumedly military geodesy 23 December 2021 Kosmos 2520 Blagovest-11L 16 August 2017 22:07 Proton-M / Briz-M Military communications in orbit Kosmos 2521 Sputnik Inspektor 23 June 2017 18:04 Soyuz-2.1v / Volga Undisclosed 12 September 2019 Deployed from Kosmos 2519 Kosmos 2522 GLONASS-M 752 22 September 2017 00:02:32 Soyuz-2.1b/Fregat Navigation in orbit Kosmos 2523 Unknown 23 June 2017 18:04 Soyuz-2.1v / Volga Undisclosed in orbit Deployed from Kosmos 2519 Kosmos 2524 Lotos-S1 No.2 (803) 2 December 2017 10:43:26 Soyuz-2.1b ELINT in orbit Kosmos 2525 EMKA 29 March 2018 16:45 Soyuz-2.1v Earth Observation 1 April 2021 Breakup occurred at about 4:43 GMT over the South Pacific Ocean Kosmos 2526 Blagovest-12L 18 April 2018 22:12 Proton-M / Briz-M Military communications in orbit Kosmos 2527 GLONASS-M 756 16 June 2018 21:30 Soyuz-2.1b/Fregat Navigation in orbit Kosmos 2528 Lotos-S1 No.3 (804) 25 October 2018 00:15 Soyuz-2.1b ELINT in orbit Kosmos 2529 GLONASS-M 757 3 November 2018 20:17 Soyuz-2.1b/Fregat Navigation in orbit Kosmos 2530 Strela-3M 16 02:27 Rokot-KM Military communications in orbit 3 satellites in 1 launch Kosmos 2531 Strela-3M 17 Military communications in orbit Kosmos 2532 Strela-3M 18 Military communications in orbit Kosmos 2533 Blagovest-13L 21 December 2018 00:20 Proton-M Military communications in orbit Kosmos 2534 GLONASS-M 758 27 May 201906:23 Soyuz-2.1b/Fregat-M Navigation in orbit Kosmos 2535 14F150 No.2 / Nivelir-L (speculated) 10 July 2019 18:04 Soyuz-2.1v / Volga Undisclosed. Presumedly military geodesy in orbit 4 classified military satellites in 1 launch. Kosmos 2535 separated into 10+ trackable objects Aug 2019. Kosmos 2536 14F150 No.2 / Nivelir-L (speculated) Undisclosed. Presumedly military geodesy in orbit Kosmos 2537 14F150 No.2 / Nivelir-L (speculated) Undisclosed. Presumedly military geodesy 7 October 2023 Kosmos 2538 14F150 No.2 / Nivelir-L (speculated) Undisclosed. Presumedly military geodesy in orbit Kosmos 2539 Blagovest-14L 5 August 2019 21:56 Proton-M Military communications in orbit Initial deployment of the Blagovest constellation completed. Kosmos 2540 Geo-IK-2 No.3 (Musson 2) 30 August 201914:00 Rokot / Briz-KM Geodesy in orbit Penultimate flight of Rokot Kosmos 2541 EKS-3 (Tundra 13L) 26 September 2019 07:43 Soyuz-2.1b / Fregat-M Missile early warning in orbit Kosmos 2542 Unknown 25 November 2019 17:52 Soyuz-2.1v / Volga Undisclosed. Possible satellite inspection 24 October 202310:07 Kosmos 2543 Unknown Undisclosed. Possible satellite inspection in orbit Deployed from Kosmos 2542. Claimed by US Space Force to have performed a weapons test in July 2020 Kosmos 2544 GLONASS-M 759 11 December 2019 08:54 Soyuz-2.1b/Fregat-M Navigation in orbit Kosmos 2545 GLONASS-M 760 16 March 2020 21:28 Soyuz-2.1b/Fregat-M Navigation in orbit Kosmos 2546 EKS-4 (Tundra 14L) 22 May 2020 10:31 Soyuz-2.1b / Fregat-M Missile early warning in orbit First EKS satellite identified jamming GPS Kosmos 2547 GLONASS-K 705 25 October 2020 19:08 Soyuz-2.1b/Fregat-M Navigation in orbit Kosmos 2548 ERA 1 3 December 2020 01:14 Soyuz-2.1b/Fregat-M Technology in orbit Cubesat of undisclosed size launched with 3 Gonets communication satellites as a piggyback payload, reportedly to test advanced microsystems of orientation and astronavigation. Kosmos 2549 Lotos-S1 №4 2 February 2021 20:45 Soyuz-2.1b ELINT in orbit Kosmos 2550 Pion-NKS №1 25 June 2021 19:50 Soyuz-2.1b SIGINT in orbit Kosmos 2551 EO MKA №1 9 September 2021 19:59 Soyuz-2.1v / Volga Reconnaissance 20 Oct 2021 Broke up over American Mid West at 12:43 a.m. EDT on 20 October 2021. Kosmos 2552 EKS-5 (Tundra 15L) 25 November 2021 01:09 Soyuz-2.1b / Fregat Early warning in orbit Kosmos 2553 Neitron №1 5 February 2022 07:00 Soyuz-2.1a / Fregat Reconnaissance in orbit Kosmos 2554 Lotos-S1 №5 7 April 2022 11:20 Soyuz-2.1b ELINT in orbit Kosmos 2555 EO MKA №2 29 April 2022 19:55 Angara 1.2 Military 18 May 2022 It decayed on 18 May 2022 after no orbit-raising maneuvers were performed, indicating a possible spacecraft failure. Kosmos 2556 Bars-M 3L 19 May 202208:03 Soyuz-2.1a Cartography/Reconnaissance in orbit Kosmos 2557 GLONASS-K 16L 7 July 202209:18 Soyuz-2.1b / Fregat Navigation in orbit Kosmos 2558 14F150 Nivelir №3 1 August 2022 20:25 Soyuz-2.1v / Volga Surveillance in orbit Kosmos 2559 GLONASS-K 17L 10 October 202202:52 Soyuz-2.1b / Fregat Navigation in orbit Kosmos 2560 EO MKA №3 15 October 202222:55 Angara 1.2 Military 10 Dec 2022 01:54 UTC Kosmos 2561 MKA №1 (?) 21 October 202219:20 Soyuz-2.1v Surveillance in orbit Launched with Kosmos 2562. Kosmos 2562 MKA №2 (?) 21 October 202219:20 Soyuz-2.1v Surveillance 8 November 2023 Launched with Kosmos 2561. Likely inspected Resurs-P No.3 in November 2022. Decayed on 8 November 2023.Kosmos 2563EKS-6 (Tundra 16L)2 November 2022 06:48Soyuz-2.1b / FregatEarly warning in orbitKosmos 2564GLONASS-M 76128 November 2022 15:13Soyuz-2.1b / FregatNavigationin orbitKosmos 2565Lotos-S1 №630 November 2022 21:10Soyuz-2.1bELINTin orbitCarried Kosmos 2566.Kosmos 2566Unknown30 November 2022 21:10Soyuz-2.1bUndisclosedin orbitReleased in-orbit by Kosmos 2565 on 3 December 2022.Kosmos 2567Bars-M 4L23 March 2023 06:40Soyuz-2.1aReconnaissancein orbitKosmos 2568EO MKA №429 March 2023 19:57Soyuz-2.1vMilitary3 January 2025Kosmos 2569GLONASS-K2 13L (K2 №1)8 August 2023 13:20Soyuz-2.1b / FregatNavigation in orbitFirst GLONASS-K2 satellite. Kosmos 2570Lotos-S1 №727 October 2023 06:04Soyuz-2.1bELINTin orbitCarried a secondary payload (Kosmos 2571) released a few days after the launch.Kosmos 2571unknown27 October 2023 06:04Soyuz-2.1bunknownin orbitLaunched with Kosmos 2570, detached a few days after the launch.Kosmos 2572Razdan 125 November 2023 20:58Soyuz-2.1bReconnaissancein orbitKosmos 2573Bars-M 5L 21 December 2023 08:48Soyuz-2.1aReconnaissancein orbitKosmos 2574Razbeg №127 December 2023 07:33Soyuz-2.1vReconnaissance11 November 2025Kosmos 2575Razbeg №29 January 2024 07:33Soyuz-2.1vReconnaissance in orbitKosmos 2576Nivelir-L №416 May 2024 21:21Soyuz-2.1b / FregatSurveillancein orbit Kosmos 2577 OO MKA №1 07:00 Angara-1.2 Reconnaissance in orbit 2 satellites in 1 launch Kosmos 2578 OO MKA №2 Reconnaissance in orbitKosmos 2579Bars-M 6L 31 October 2024 07:51:31Soyuz 2.1aReconnaissance in orbitKosmos 2580Lotos-S1 №84 December 2024 18:03Soyuz-2.1bELINT in orbit Kosmos 2581 MKA B1 03:00 Soyuz-2-1v / Volga TBA in orbit 3 satellites in 1 launch Kosmos 2582 MKA B2 TBA in orbit Kosmos 2583 MKA B3 TBA in orbitKosmos 2584GLONASS-K2 14L (K2 №2)2 March 2025 22:22Soyuz-2.1b / Fregat-MNavigation in orbit Kosmos 2585 Strela-3M №19 10:50 Angara-1.2 Military communications in orbit 3 satellite in 1 launch Kosmos 2586 Strela-3M №20 Military communications in orbit Kosmos 2587 Strela-3M №21 Military communications in orbit Kosmos 2588Nivelir-L №523 May 202508:36Soyuz-2.1b / Fregat-MMilitary technology in orbit Kosmos 2589 14F166A №1 03:00 Angara A5 / Briz-M TBA in orbit Kosmos 2590 14F166A Subsat 1 TBA in orbit Kosmos 2591 OO MKA №3 09:32 Angara-1.2 Reconnaissance in orbit Kosmos 2592 OO MKA №4 Reconnaissance in orbit Kosmos 2593 OO MKA №5 Reconnaissance in orbit Kosmos 2594 OO MKA №6 Reconnaissance in orbit Kosmos 2595 GLONASS-K 18L (K1 №6) 02:30 Soyuz-2.1b/Fregat-M Navigation in orbit Kosmos 2596 Mozhaets-6 TBA in orbit Kosmos 2597 Strela-3M №22 13:42 Angara-1.2 Military communications in orbit 3 satellite in 1 launch Kosmos 2598 Strela-3M №23 Military communications in orbit Kosmos 2599 Strela-3M №24 Military communications in orbit Kosmos 2600 EO MKA №7 18:59 Soyuz-2.1b/Fregat-M TBA in orbit Kosmos 2601 RU UNK A1 TBA in orbit Kosmos 2602 RU UNK A2 TBA in orbit Kosmos 2603 RU UNK A3 TBA in orbit Kosmos 2604 RU UNK A4 TBA in orbit Kosmos 2605 RU UNK A5 TBA in orbit Kosmos 2606 RU UNK A6 TBA in orbit Kosmos 2607 RU UNK A7 TBA in orbit Kosmos 2608 RU UNK A8 TBA in orbit
See also
List of USA satellites
References