Official name COSMOS 2502
Alternative name Cosmos-2502
Cospar ID 2014-086A
Norad ID 40358
Launch date 2014-12-25
Launch site PKMTR
Launch vehicle Soyuz-2-1b
Country/Organization Russia
Type application SIGINT
RCS size LARGE
Decay date ON ORBIT
Period (min) 103.03
Inclination (deg) 67.15
Perigee (km) 899
Apogee (km) 905
Eccentricity 0.00332594235033259
Mean motion (revs. per day) 13.9765116956226
Semi-Major axis (km) 7280.135
Raan (deg) 76.0953
Arg of perigee (deg) 265.8366
Shape Cyl + 2 Pan
Mass (kg) 7000
Diameter (m) 2.7
Height (m) 6.3
Span (m^2) 6.3
Contractors TsSKB-Progress (bus), KB Arsenal (payload)
Configuration Yantar bus
Power 2 deployable solar arrays, batteries

The Russian Lotos-S1 (14F145) satellites are one component of the next generation ELINT satellite system Liana. A development version was flown as Lotos-S (14F138).

The Liana system replaces replaces both the Tselina-2 with Lotos satellites and the naval US-PM with Pion-NKS (14F139) spacecraft.

Satellite COSPAR Date LS Launch Vehicle Remarks
COSMOS 2502 2014-086A 2014-12-25 PKMTR Soyuz-2-1b
COSMOS 2524 2017-076A 2017-12-02 PKMTR Soyuz-2-1b
COSMOS 2528 2018-082A 2018-10-25 PKMTR Soyuz-2-1b
COSMOS 2549 2021-008A 2021-02-02 PKMTR Soyuz-2-1b
COSMOS 2554 2022-036A 2022-04-07 PKMTR Soyuz-2-1b
COSMOS 2570 2023-165A 2023-10-27 PKMTR Soyuz-2-1b with Kosmos 2571, Kosmos 2571 Subsat ?