COSMOS 1818 COOLANT

Satellite information

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Satellite Type and Status

DEBRISIN ORBIT

Key statistics

Satellite COSMOS 1818 COOLANT at a glance.

Uptime

14091

Days in orbit

Revolutions

≈ 14.4

Per day

Orbit

LEO

Low Earth Orbit

Inclination

65.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for COSMOS 1818 COOLANT.

Object identification

Identified? True

Debris? False

Object name: COSMOS 1818 COOLANT

International designator: 1987-011BC

Object number (NORAD): 50787

Object ID (CCSDS): 50787

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 100.079 minutes

Inclination: 65.0094 deg

SMA: 7140.383 km

Apoapsis: 770.831 km

Periapsis: 753.664 km

RAAN: 293.3459 deg

Eccentricy: 0.00120209

Argument of periapsis: 264.2412 deg

Mean anomaly: 275.7322 deg

Mean motion: 14.38866643 rev/day

Mean motion (dot): 0.00000721 rev/day²

B* drag term: 0.00026668551 1/R_Earth

Two-line elements (TLE)

Creation date: Aug. 27, 2025, 2:14 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Aug. 26, 2025, 9:58 p.m. UTC

TLE line 0: 0 COSMOS 1818 COOLANT

TLE line 1: 1 50787U 87011BC 25238.91556341 .00000721 00000-0 26669-3 0 9990

TLE line 2: 2 50787 65.0094 293.3459 0012021 264.2412 275.7322 14.38866643503493

Live tracking on map

Real-time ground track for satellite COSMOS 1818 COOLANT.

In-orbit conjunctions

A list of the most updated potential collisions computed for object COSMOS 1818 COOLANT.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
OSCAR 17 (DOVE)	SSO	2025-04-10 22:11:55	0.0001441393	720.0 (m)	PAYLOAD
RITE TARGET 2	SSO	2025-01-15 16:15:49	0.0001269343	577.0 (m)	PAYLOAD
IRIDIUM 36	LEO	2024-10-15 14:18:37	0.000165676	556.0 (m)	PAYLOAD

Associated space launch

Nuclear-powered magnetospheric research satellite

COSMOS 1818 COOLANT was lifted into orbit during the mission ‘Tsiklon-2 | Plasma-A 1’, on board a Tsiklon-2 space rocket.

The launch took place on Feb. 1, 1987, 11:30 p.m. from 90.

For more information about the launch, click the button.

Tsiklon-2 | Plasma-A 1

Agency: N/A

Status: Launch Successful

Launch date: Feb. 1, 1987, 11:30 p.m. UTC

Rocket: Tsiklon-2

Launch pad: 90

Location: Baikonur Cosmodrome, Republic of Kazakhstan

...

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