Space Brief 15 Dec 2024
Anticipated NISAR launch now scheduled for March 2025; Rivada persists in broadband constellation quest despite setbacks; SpaceX scrubbed RRT-1 launch holds mystery.
NORAD ID
43576
International Designator
2018-061H
Epoch
Sat, 04 Jul 2026 01:42:30 GMT
Apogee
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Perigee
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Inclination
86.39°
Right Ascension
49.67°
Eccentricity
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Argument of Perigee
88.24°
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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Name
IRIDIUM 156
Alternative Name
Iridium Next SV156
Type
Status
Owner
IRIDS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
1 43576U 18061H 26185.07118504 .00000161 00000-0 50484-4 0 9992
2 43576 86.3944 49.6680 0002028 88.2359 271.9070 14.34217566415792
Source: Celestrak
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
Payload
Iridium Next SV156
Purpose
Communication, traffic monitoring
Mission
Communication, traffic monitoring
Manufacturer
NGISGA
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
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