Atlas 5 551 Flies Last Mission for Amazon Kuiper | KeepTrack Space Brief
ULA launched Atlas 5 551 configuration for final time on July 1, deploying Amazon Kuiper broadband satellites. New Glenn pad rebuild underway at LC-36 after May explosion.
Launch Date
January 24, 2021
Launch Site
Launch Pad
LC40
Launch Vehicle
NORAD ID
47508
International Designator
2021-006CZ
Epoch
Sat, 04 Jul 2026 02:25:10 GMT
Apogee
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Perigee
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Inclination
97.22°
Right Ascension
228.07°
Eccentricity
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Argument of Perigee
133.98°
Period
93.81 min
Mean Motion
15.35 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Name
HAWK-2B
Alternative Name
Hawk 2B
Type
Status
Owner
HE360
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
1 47508U 21006CZ 26185.10081093 .00009362 00000-0 27764-3 0 9996
2 47508 97.2176 228.0668 0008304 133.9781 226.2149 15.35005144302095
Source: Celestrak
Length
0.5
Diameter
0.4
Span
1
Dry Mass
30
Launch Mass
31
Shape
Box + 2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Hawk 2B
Purpose
RF spectrum monitoring, SIGINT, Traffic monitoring
Mission
RF spectrum monitoring, SIGINT, Traffic monitoring
Manufacturer
UTIAS
Life Expectancy
3 years
Bus
Defiant
Configuration
Defiant bus
Motor
FEES or water thrusters (#2-6); water thrusters (#7-...)
Equipment
Unknown
Power System
Solar cells, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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ULA launched Atlas 5 551 configuration for final time on July 1, deploying Amazon Kuiper broadband satellites. New Glenn pad rebuild underway at LC-36 after May explosion.
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