GALAXY 25 (G-25) (24812)

COSPAR: 1997-026A | Alt Name: Telstar 5

Image
GALAXY 25 (G-25) Satellite Image
Additional Sources
Launch Details

Launch Date

May 24, 1997

Launch Pad

LC81/23

Launch Vehicle

Proton-K/DM-2M

Orbital Elements

NORAD ID

24812

International Designator

1997-026A

Epoch

Fri, 03 Jul 2026 20:02:47 GMT

Apogee

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Perigee

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Inclination

7.43°

Right Ascension

67.64°

Eccentricity

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Argument of Perigee

41.62°

Period

1453.20 min

Mean Motion

0.99 rev/day

Latitude

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Longitude

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Altitude

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Velocity

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Polar Plot
3D Visualization
Basic Satellite Info

Name

GALAXY 25 (G-25)

Alternative Name

Telstar 5

Type

Payload

Status

Non-operational

Owner

LSKY

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 24812U 97026A   26184.83526995  .00000012  00000-0  00000-0 0  9992
2 24812   7.4341  67.6417 0006548  41.6157 319.2902  0.99091451106399

Source: Celestrak

Summary
GALAXY 25 (also known as Telstar 5) is a communication satellite with the OBJECT_ID 1997-026A and NORAD_CAT_ID 24812, manufactured by LOR and operated by LSKY. It was launched on May 24, 1997, from TYMSC (LC81/23) using a Proton-K/DM-2M launch vehicle. The satellite has a box shape with two panels, measures 4 meters in length, 2.2 meters in diameter, and spans 30 meters when deployed. It has a dry mass of 1469 kg and was launched with a total mass of 3900 kg. Equipped with 2 deployable solar arrays and batteries for power, GALAXY 25 is configured as SSL-1300 on the FS-1300 bus. The satellite's equipment includes 24 C-band and 28 Ku-band transponders (for units #5, 6) and 24 of each band for unit #7. Its mission was to provide communication services with an expected lifetime of 12 years.
Physical Characteristics

Length

4

Diameter

2.2

Span

30

Dry Mass

1469

Launch Mass

3900

Shape

Box + 2 Pan

Radar Cross Section

40.2985

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Telstar 5

Purpose

Communication

Mission

Communication

Manufacturer

LOR

Life Expectancy

12 years

Bus

FS-1300

Configuration

SSL-1300

Motor

R-4D-11

Equipment

24 C-band, 28 Ku-band transponders (#5, 6); 24 C-band, 24 Ku-band transponders (#7)

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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