TELSTAR 11 (ORION 1) (23413)

COSPAR: 1994-079A | Alt Name: Orion 1

Image
TELSTAR 11 (ORION 1) Satellite Image
Additional Sources
Launch Details

Launch Date

November 29, 1994

Launch Pad

LC36A

Launch Vehicle

Atlas IIA

Orbital Elements

NORAD ID

23413

International Designator

1994-079A

Epoch

Fri, 03 Jul 2026 23:45:42 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

13.85°

Right Ascension

16.63°

Eccentricity

Calculating...

Argument of Perigee

47.23°

Period

1460.76 min

Mean Motion

0.99 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

TELSTAR 11 (ORION 1)

Alternative Name

Orion 1

Type

Payload

Status

Unknown

Owner

ORI

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 23413U 94079A   26184.99007457 -.00000017  00000-0  00000-0 0  9993
2 23413  13.8482  16.6274 0024402  47.2291 121.6085  0.98578813114125

Source: Celestrak

Summary
TELSTAR 11 (ORION 1), also known as Orion 1, is a communication satellite launched on November 29, 1994, from Launch Complex 36A at the Air Force Eastern Test Range using an Atlas IIA launch vehicle. It was manufactured by MMSS and has the Eurostar-2000 configuration with dimensions of 3.8 meters in length, 2.4 meters in diameter, and a span of 22 meters. The satellite carries 34 Ku-band transponders for communication purposes and is powered by two deployable solar arrays along with batteries. Its dry mass is 1112 kg, and it had an initial launch mass of 2333 kg. The RCS (Reaction Control System) has a total impulse of 11.4848 N*s and uses R-4D-11-300 motors for maneuvering in space. TELSTAR 11 operates under the ownership of ORI, serving as a communication satellite with a box-shaped body and two panels.
Physical Characteristics

Length

3.8

Diameter

2.4

Span

22

Dry Mass

1112

Launch Mass

2333

Shape

Box + 2 Pan

Radar Cross Section

11.4848

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Orion 1

Purpose

Communication

Mission

Communication

Manufacturer

MMSS

Life Expectancy

Unknown

Bus

Eurostar 2000

Configuration

Eurostar-2000

Motor

R-4D-11-300

Equipment

34 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.

Vulcan Grounded as GEM 63XL Booster Passes Test | KeepTrack Space Brief

Vulcan Grounded as GEM 63XL Booster Passes Test | KeepTrack Space Brief

ULA's Vulcan remains grounded after February in-flight GEM 63XL booster anomaly. Northrop Grumman completed successful static fire test, but investigation ongoing with no return-to-flight date.

X Report 3 Mar 2025

X Report 3 Mar 2025

SpaceX gears up for Starship Flight 8, with a launch set for Monday as final preparations are underway.

Space Brief 10 Nov 2025

Space Brief 10 Nov 2025

Today's brief covers China's record-breaking launch year, SpaceX's continued Starlink deployments, Blue Origin's launch challenges, and innovations in satellite maneuverability.

SpaceX Launches GPS Satellite Tonight, Starship V3 Targets Mid-March | KeepTrack X Report

SpaceX Launches GPS Satellite Tonight, Starship V3 Targets Mid-March | KeepTrack X Report

SpaceX to launch GPS III SV09 satellite for Space Force at 11:38 p.m. EST from Cape Canaveral. Musk confirms Starship V3 with Raptor V3 engines targets mid-March first flight.

Starship Flight 13 to Debut First Starlink V3 Satellites | KeepTrack X Report

Starship Flight 13 to Debut First Starlink V3 Satellites | KeepTrack X Report

SpaceX readies Starship Flight 13 for July 16 launch to deploy first Starlink V3 satellites as Falcon 9 logs its 600th booster reuse.

X Report 3 Dec 2024

X Report 3 Dec 2024

Starship developments continue to capture attention alongside Starlink's latest deployment milestones.

X Report 24 Jan 2025

X Report 24 Jan 2025

SpaceX hits a new milestone with 400 rocket landings, beta testing begins for Direct-to-Cell Starlink satellites, and more Starlink launches from California.

The Day the Dyna-Soar Dream Died

The Day the Dyna-Soar Dream Died

Exactly 62 years ago, Defense Secretary Robert McNamara ended the X-20 Dyna-Soar program, canceling one of the most ambitious spaceplane projects of the early Space Race - a vehicle that could have put aircraft in orbit decades before the Space Shuttle.