UFO 1 (USA 98) (22563)

COSPAR: 1993-015A | Alt Name: UHF F/O F1

Image
UFO 1 (USA 98) Satellite Image
Additional Sources
Launch Details

Launch Date

March 25, 1993

Launch Pad

LC36B

Launch Vehicle

Atlas I

Orbital Elements

NORAD ID

22563

International Designator

1993-015A

Epoch

Fri, 03 Jul 2026 16:21:06 GMT

Apogee

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Perigee

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Inclination

25.85°

Right Ascension

72.05°

Eccentricity

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Argument of Perigee

301.29°

Period

1450.87 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

UFO 1 (USA 98)

Alternative Name

UHF F/O F1

Type

Payload

Status

Non-operational

Owner

HCI

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 22563U 93015A   26184.68132421 -.00000165  00000-0  00000-0 0  9997
2 22563  25.8472  72.0508 0003422 301.2947 264.8279  0.99250977124864

Source: Celestrak

Summary
The satellite UFO 1 (USA 98), also known as UHF F/O F1, was built by HSES for HCI and launched on March 25, 1993, from Launch Pad LC36B at AFETR using an Atlas I launch vehicle. It has a BUS type of HS-601 and is configured with UHF and SHF transponders for communication purposes. The satellite measures 4 meters in length, 3 meters in diameter, and its solar arrays span 18.3 meters. Its dry mass is 1000 kilograms, while its launch mass was 2840 kilograms. It is powered by two deployable solar arrays and batteries. The satellite's shape consists of a box with two panels, and it has an RCS (Reaction Control System) value of 8.6206. Its mission duration lasted for approximately 14 years.
Physical Characteristics

Length

4

Diameter

3

Span

18.3

Dry Mass

1000

Launch Mass

2840

Shape

Box + 2 Pan

Radar Cross Section

8.6206

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

UFO F1

Purpose

Communication

Mission

Communication

Manufacturer

HSES

Life Expectancy

14 years

Bus

HS-601

Configuration

HS-601

Motor

R-4D-11

Equipment

UHF, SHF transponders

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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