HGS 4 (GALAXY 4)

Satellite information

Favourite Embed

Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite HGS 4 (GALAXY 4) at a glance.

Uptime

11860

Days in orbit

Revolutions

≈ 1.0

Per day

Orbit

OTHER

Other

Inclination

14.6

Latest

Satellite identification and parameters

Extended collection of information and parameters for HGS 4 (GALAXY 4).

Object identification

Identified? True

Debris? False

Object name: HGS 4 (GALAXY 4)

International designator: 1993-039A

Object number (NORAD): 22694

Object ID (CCSDS): 22694

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 1436.136 minutes

Inclination: 14.5792 deg

SMA: 42165.496 km

Apoapsis: 35828.894 km

Periapsis: 35745.828 km

RAAN: 356.5514 deg

Eccentricy: 0.00098499

Argument of periapsis: 28.946 deg

Mean anomaly: 342.5766 deg

Mean motion: 1.00269059 rev/day

Mean motion (dot): -0.00000137 rev/day2

B* drag term: 0.0 1/REarth

Two-line elements (TLE)

Creation date: Dec. 14, 2025, 3:07 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 13, 2025, 1:49 p.m. UTC

TLE line 0: 0 HGS 4 (GALAXY 4)

TLE line 1: 1 22694U 93039A 25347.57582332 -.00000137 00000-0 00000-0 0 9995

TLE line 2: 2 22694 14.5792 356.5514 0009850 28.9460 342.5766 1.00269059117142

Live tracking on map

Real-time ground track for satellite HGS 4 (GALAXY 4).

In-orbit conjunctions

A list of the most updated potential collisions computed for object HGS 4 (GALAXY 4).

Target Orbit TCA Probability of collision Miss distance Type
COSMOS 2085 OTHER 2025-11-17 06:47:04 TBA 2468.0 (m) PAYLOAD
RADUGA 2 GEO 2025-08-26 21:22:24 TBA 3651.0 (m) PAYLOAD
INSAT 1D OTHER 2024-12-26 19:36:09 TBA 2972.0 (m) PAYLOAD
COSMOS 2085 OTHER 2024-10-03 22:38:31 TBA 3587.0 (m) PAYLOAD
COSMOS 2371 OTHER 2024-09-19 02:53:57 TBA 3880.0 (m) PAYLOAD

Associated space launch

American communications satellite

HGS 4 (GALAXY 4) was lifted into orbit during the mission ‘Ariane 42P | Galaxy 4H’, on board a Ariane 42P space rocket.

The launch took place on June 25, 1993, 12:18 a.m. from Ariane Launch Area 2.

For more information about the launch, click the button.

Launch to space Ariane 42P | Galaxy 4H
Ariane 42P | Galaxy 4H

Agency: N/A

Status: Launch Successful

Launch date: June 25, 1993, 12:18 a.m. UTC

Rocket: Ariane 42P

Launch pad: Ariane Launch Area 2

Location: Guiana Space Centre, French Guiana

...

Latest news about this satellite

There are no fresh news available about this satellite. Check back as we update our databases every day.


Newsletter sign-up

Weekly statistics, charts and insights to help you stay on top of the space industry.