COSMOS 1555 (GLONASS)

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite COSMOS 1555 (GLONASS) at a glance.

Uptime

15024

Days in orbit

Revolutions

≈ 2.1

Per day

Orbit

MEO

Medium Earth Orbit

Inclination

66.5

Latest

Satellite identification and parameters

Extended collection of information and parameters for COSMOS 1555 (GLONASS).

Object identification

Identified? True

Debris? False

Object name: COSMOS 1555 (GLONASS)

International designator: 1984-047B

Object number (NORAD): 14978

Object ID (CCSDS): 14978

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: MEDIUM

Orbital parameters

Period: 675.732 minutes

Inclination: 66.5228 deg

SMA: 25508.006 km

Apoapsis: 19161.5 km

Periapsis: 19098.241 km

RAAN: 339.9784 deg

Eccentricy: 0.00124

Argument of periapsis: 174.8526 deg

Mean anomaly: 175.8609 deg

Mean motion: 2.13102237 rev/day

Mean motion (dot): -0.0000007 rev/day²

B* drag term: 0.0 1/R_Earth

Two-line elements (TLE)

Creation date: July 5, 2025, 4:36 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 4, 2025, 6:11 p.m. UTC

TLE line 0: 0 COSMOS 1555 (GLONASS)

TLE line 1: 1 14978U 84047B 25185.75819666 -.00000070 00000-0 00000-0 0 9999

TLE line 2: 2 14978 66.5228 339.9784 0012400 174.8526 175.8609 2.13102237292092

Live tracking on map

Real-time ground track for satellite COSMOS 1555 (GLONASS).

In-orbit conjunctions

A list of the most updated potential collisions computed for object COSMOS 1555 (GLONASS).

Target	Orbit	TCA	Probability of collision	Miss distance	Type
COSMOS 2380 (GLONASS)	MEO	2025-07-03 01:00:43	TBA	4171.0 (m)	PAYLOAD
COSMOS 2380 (GLONASS)	MEO	2025-07-02 13:44:59	TBA	3462.0 (m)	PAYLOAD
COSMOS 2380 (GLONASS)	MEO	2025-07-02 02:29:15	TBA	3477.0 (m)	PAYLOAD
COSMOS 2380 (GLONASS)	MEO	2025-07-01 15:13:31	TBA	4306.0 (m)	PAYLOAD
SL-12 R/B(2)	MEO	2025-03-01 15:06:11	TBA	1414.0 (m)	ROCKET BODY

Associated space launch

GLONASS navigation satellites

COSMOS 1555 (GLONASS) was lifted into orbit during the mission ‘Proton | Uragan 6 & 7’, on board a Proton space rocket.

The launch took place on May 19, 1984, 3:10 p.m. from 200/40.

For more information about the launch, click the button.

Proton | Uragan 6 & 7

Agency: N/A

Status: Launch Successful

Launch date: May 19, 1984, 3:10 p.m. UTC

Rocket: Proton

Launch pad: 200/40

Location: Baikonur Cosmodrome, Republic of Kazakhstan

...

Go to the launch

Latest news about this satellite

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