JCSAT-1B (25067)

COSPAR: 1997-075A | Alt Name: JCSAT 1B

Image
JCSAT-1B Satellite Image
Additional Sources
Launch Details

Launch Date

December 2, 1997

Launch Site

FRGUI

Launch Pad

ELA2

Launch Vehicle

Ariane 44P

Orbital Elements

NORAD ID

25067

International Designator

1997-075A

Epoch

Sat, 04 Jul 2026 00:43:30 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

11.57°

Right Ascension

39.33°

Eccentricity

Calculating...

Argument of Perigee

181.28°

Period

1459.65 min

Mean Motion

0.99 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

JCSAT-1B

Alternative Name

JCSAT 1B

Type

Payload

Status

Non-operational

Owner

JSAT

Country

Japan

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 25067U 97075A   26185.03021242 -.00000111  00000-0  00000-0 0  9998
2 25067  11.5660  39.3284 0018174 181.2786 182.8739  0.98653532107001

Source: Celestrak

Summary
JCSAT-1B, also known as JCSAT 1B and designated as OBJECT_ID: 1997-075A, is a communication satellite launched by JSAT on December 2, 1997, from Guiana Space Centre (FRGUI) using the Ariane 44P launch vehicle. Manufactured by HSES, this HS-601 model satellite has dimensions of 4.3 meters in length and 2.8 meters in diameter with a span of 26.2 meters. It weighs 2982 kg at launch and has a dry mass of 1308 kg. The satellite is powered by two deployable solar arrays and batteries, equipped with 32 active Ku-band transponders for communication purposes. Its shape is described as "Box + 2 Wing" with a radar cross-section (RCS) of 25.1189 square meters. It uses an R-4D-11-300 motor and was launched from ELA2 pad in Guiana. The satellite's purpose is communication, serving under the payload designation JCSAT 5.
Physical Characteristics

Length

4.3

Diameter

2.8

Span

26.2

Dry Mass

1308

Launch Mass

2982

Shape

Box + 2 Wing

Radar Cross Section

25.1189

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

JCSAT 5

Purpose

Communication

Mission

Communication

Manufacturer

HSES

Life Expectancy

Unknown

Bus

HS-601

Configuration

HS-601

Motor

R-4D-11-300

Equipment

32 active Ku-band transponders

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map
This tool will help you track the satellite's position and predict its upcoming passes over your location. Simply input the coordinates or click the geolocation button to get started.
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration

Satellite Articles

View All Posts »

Learn more about satellites and other related topics.

X Report 26 Apr 2025

X Report 26 Apr 2025

SpaceX launches 28 Starlink satellites and discusses upcoming business strategies, while T-Mobile slashes Starlink cellular prices.

SpaceX IPO at $1.77T as SDA Faces Consolidation | KeepTrack Space Brief

SpaceX IPO at $1.77T as SDA Faces Consolidation | KeepTrack Space Brief

SpaceX launches Starlink while debuting on Nasdaq at $1.77 trillion valuation. Meanwhile, Senate FY2027 NDAA would dissolve SDA into Space Force, affecting Tranche constellation tracking.

X Report 24 Nov 2025

X Report 24 Nov 2025

SpaceX successfully launches 28 Starlink satellites on a new Falcon 9 rocket from California, marking a significant milestone for their satellite constellation.

X Report 27 Jun 2025

X Report 27 Jun 2025

SpaceX successfully launched 27 Starlink satellites while facing new competition for its satellite programs, including potential alternatives for the Space Force.

X Report 7 Oct 2025

X Report 7 Oct 2025

SpaceX successfully launched 28 Starlink satellites on October 7, further expanding its broadband constellation while hosting an active launch schedule this week.

Space Brief 4 Oct 2025

Space Brief 4 Oct 2025

Today's Space Brief highlights major developments in satellite launches, regulatory milestones for spectrum sales, and the evolving landscape of space-related cyber conflicts.

X Report 25 Oct 2025

X Report 25 Oct 2025

SpaceX prepares for a record-setting launch of Starlink satellites, while Iridium faces challenges against SpaceX's expanding services.

Space Force Picks Boeing 702MP for MUOS Follow-On | KeepTrack Space Brief

Space Force Picks Boeing 702MP for MUOS Follow-On | KeepTrack Space Brief

U.S. Space Force selects Boeing's 702MP spacecraft for next-generation MUOS satellites. Rocket Lab delivers Synspective's 10th StriX radar satellite. Track both missions.