TOMS EP (23940)

COSPAR: 1996-037A | Alt Name: Earth Probe TOMS

Image
TOMS EP Satellite Image
Additional Sources
Launch Details

Launch Date

July 2, 1996

Launch Site

AFWTR

Launch Pad

RW30/12

Launch Vehicle

Pegasus XL

Orbital Elements

NORAD ID

23940

International Designator

1996-037A

Epoch

Sat, 04 Jul 2026 05:36:32 GMT

Apogee

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Perigee

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Inclination

98.51°

Right Ascension

354.43°

Eccentricity

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Argument of Perigee

149.68°

Period

98.63 min

Mean Motion

14.60 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

TOMS EP

Alternative Name

Earth Probe TOMS

Type

Payload

Status

Unknown

Owner

GSFC

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 23940U 96037A   26185.23370419  .00000899  00000-0  19716-3 0  9997
2 23940  98.5120 354.4253 0026729 149.6764 210.5988 14.59944261594516

Source: Celestrak

Summary
The TOMS EP satellite, also known as Earth Probe TOMS, was launched on July 2, 1996, from Vandenberg AFB using a Pegasus XL launch vehicle. It is owned by GSFC and manufactured by TRWC/CTA with the mission of Earth observation. The spacecraft measures 1.8 meters in length, has a diameter of 1.1 meters, and a span of 3.9 meters. Its dry mass is 222 kilograms and it was designed for a two-year lifetime. It carries the TOMS-EP payload for its mission and uses hydrazine propulsion with eight thrusters for maneuvering. Power is provided by two deployable solar arrays and batteries, while the satellite has an RCS of 1.5335 and a shape described as Hex Cyl + Pan.
Physical Characteristics

Length

1.8

Diameter

1.1

Span

3.9

Dry Mass

222

Launch Mass

295

Shape

Hex Cyl + Pan

Radar Cross Section

1.5335

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

TOMS-EP

Purpose

Earth observation

Mission

Earth observation

Manufacturer

TRWC/CTA

Life Expectancy

2 years (design)

Bus

LEOStar T-200

Configuration

T100

Motor

Hydrazine propulsion system with eight thrusters

Equipment

TOMS-3

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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