IRIDIUM 157 (43251)

COSPAR: 2018-030C | Alt Name: Iridium Next SV157

Image
IRIDIUM 157 Satellite Image
Additional Sources
Launch Details

Launch Date

March 30, 2018

Launch Site

AFWTR

Launch Pad

SLC4E

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

43251

International Designator

2018-030C

Epoch

Sat, 04 Jul 2026 06:42:27 GMT

Apogee

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Perigee

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Inclination

86.40°

Right Ascension

283.27°

Eccentricity

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Argument of Perigee

94.93°

Period

100.40 min

Mean Motion

14.34 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

IRIDIUM 157

Alternative Name

Iridium Next SV157

Type

Payload

Status

Operational

Owner

IRIDS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 43251U 18030C   26185.27948422  .00000092  00000-0  25673-4 0  9995
2 43251  86.3965 283.2741 0002248  94.9334 265.2119 14.34217974432589

Source: Celestrak

Summary
IRIDIUM 157 (also known as Iridium Next SV157) is a communication and traffic monitoring satellite launched on March 30, 2018, from the AFWTR SLC4E launch pad using a Falcon 9 launch vehicle. It was manufactured by OATKGA for IRIDS and features an EliteBus configuration known as ELiTeBus-1000. The satellite measures 3.1 meters in length with a diameter of 1.5 meters, span of 9.4 meters, and has a dry mass of 700 kg. It carries various payloads including L-band payload, Ka-band cross-links, downlinks, ADS-B payload, and AIS-receiver technology. Equipped with two deployable solar arrays and batteries for power, its shape is characterized as a half hexagonal prism plus two panes. The designed lifetime of the satellite is 10 years, with plans for an extended life up to 15 years.
Physical Characteristics

Length

3.1

Diameter

1.5

Span

9.4

Dry Mass

700

Launch Mass

860

Shape

Half Hex Prism+2 pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Iridium Next SV157

Purpose

Communication, traffic monitoring

Mission

Communication, traffic monitoring

Manufacturer

OATKGA

Life Expectancy

10 years (design), 15 years (planned)

Bus

EliteBus

Configuration

ELiTeBus-1000

Motor

?

Equipment

L-band payload, Ka-band cross-links, Ka-band downlinks, ADS-B payload, AIS-receiver (on 58 satellites)

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map
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