ORBCOMM FM13 (25420)

COSPAR: 1998-046H | Alt Name: Orbcomm B1

Image
ORBCOMM FM13 Satellite Image
Additional Sources
Launch Details

Launch Date

August 2, 1998

Launch Site

ERAS

Launch Pad

RW04/22

Launch Vehicle

Pegasus XL/HAPS

Orbital Elements

NORAD ID

25420

International Designator

1998-046H

Epoch

Sat, 04 Jul 2026 06:36:26 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

45.00°

Right Ascension

171.93°

Eccentricity

Calculating...

Argument of Perigee

7.86°

Period

100.09 min

Mean Motion

14.39 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

ORBCOMM FM13

Alternative Name

Orbcomm B1

Type

Payload

Status

Non-operational

Owner

ORBC

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 25420U 98046H   26185.27530202  .00000797  00000-0  30366-3 0  9997
2 25420  44.9953 171.9307 0004885   7.8598 352.2326 14.38661243458243

Source: Celestrak

Summary
ORBCOMM FM13, also known as Orbcomm B1, is a US communication satellite based on the Microstar configuration and manufactured by OSCG for ORBCOMM (ORBC). Launched on August 2, 1998, from ERAS launch site using Pegasus XL/HAPS vehicle, it has dimensions of 0.2 meters in length, 1 meter in diameter, and a span of 4.3 meters. The satellite carries an Orbcomm payload for Machine-to-Machine (M2M) and Internet of Things (IoT) communication purposes. It weighs 42 kilograms at launch and in dry condition, with power supplied by two deployable solar arrays and batteries. Its shape is described as Cylindrical + 2 Panels + Antenna and has a radar cross-section (RCS) of 0.7712 square meters. The satellite's operational lifetime was expected to be around 4 years.
Physical Characteristics

Length

0.2

Diameter

1

Span

4.3

Dry Mass

42

Launch Mass

42

Shape

Cyl + 2 Pan + Ant

Radar Cross Section

0.7712

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Orbcomm FM13

Purpose

Communication M2M/IoT

Mission

Communication M2M/IoT

Manufacturer

OSCG

Life Expectancy

4 years

Bus

Microstar

Configuration

MicroStar

Motor

?

Equipment

Orbcomm payload

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.

Space Brief 20 Oct 2025

Space Brief 20 Oct 2025

Today's Space Brief highlights Innospace's upcoming orbital launch, SpaceX's record-setting Starlink mission, China's Thousand Sails constellation, Atomic-6's new space armor, and developments in SpaceX's West Coast facilities.

X Report 29 Dec 2024

X Report 29 Dec 2024

SpaceX wraps up 2024 with successful Starlink and Astranis launches, while reflecting on a monumental year for the Starship program.

Crew-11 Completes First-Ever ISS Medical Evacuation, SpaceX Sets Pad Record | KeepTrack X Report

Crew-11 Completes First-Ever ISS Medical Evacuation, SpaceX Sets Pad Record | KeepTrack X Report

Crew-11 astronauts splashdown off California in first-ever ISS medical evacuation. SpaceX sets pad turnaround record at Cape Canaveral with Starlink 6-98 deploying 29 satellites.

Pentagon Chief Tours Rocket Lab, Space Force Accelerates 2026 Acquisitions | KeepTrack Space Brief

Pentagon Chief Tours Rocket Lab, Space Force Accelerates 2026 Acquisitions | KeepTrack Space Brief

Pentagon chief Pete Hegseth tours Rocket Lab for Arsenal of Freedom strategy. Space Force accelerates 2026 acquisitions including GPS and tactical comms. Rhea Space wins $1.9M optical nav contract.

The Day the Soviets Built a World in Orbit

The Day the Soviets Built a World in Orbit

Forty years ago today, the USSR launched a 20-ton aluminum cylinder into low Earth orbit and called it 'Peace.' Over the next 15 years, Mir would host 104 people from 12 countries, survive a fire and a collision, and quietly teach humanity how to live in space.

X Report 17 Nov 2024

X Report 17 Nov 2024

SpaceX readies for Starship Flight 6, stacking the megarocket for its upcoming launch on Nov. 19. Get details on the timing and mission objectives.

X Report 4 Oct 2025

X Report 4 Oct 2025

SpaceX continues to push forward with significant milestones, including the launch of additional Starlink satellites and progress on spectrum acquisitions.

X Report 8 Dec 2024

X Report 8 Dec 2024

SpaceX successfully launched 23 Starlink satellites, enhancing Direct to Cell capabilities from Florida's Space Coast.