Space Brief 19 Apr 2025
Today's brief covers SpaceX's potential government contract, the future of US Space Command headquarters, an auction record for Neil Armstrong's watch, and the volcanic history of Mars.
NORAD ID
53676
International Designator
2022-105AE
Epoch
Sun, 19 Jul 2026 05:08:18 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
97.28°
Right Ascension
77.54°
Eccentricity
Calculating...
Argument of Perigee
90.62°
Period
95.64 min
Mean Motion
15.06 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
STARLINK-4621
Alternative Name
Starlink 4621
Type
Status
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
1 53676U 22105AE 26200.21409859 .00000481 00000+0 37247-4 0 9994
2 53676 97.2849 77.5379 0001614 90.6186 269.5227 15.05656579213028
Source: Celestrak
Length
0.2
Diameter
2.8
Span
9
Dry Mass
290
Launch Mass
300
Shape
Box + pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Starlink Group 3-4-29
Purpose
Communication
Mission
Communication
Manufacturer
SPXS
Life Expectancy
Unknown
Bus
Starlink
Configuration
Unknown
Motor
Krypton ion thrusters
Equipment
Ku/Ka-band payload, optical inter-satellite link
Power System
Solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Learn more about satellites and other related topics.
Today's brief covers SpaceX's potential government contract, the future of US Space Command headquarters, an auction record for Neil Armstrong's watch, and the volcanic history of Mars.
Today's recap covers SpaceX's role in record launch numbers, the FCC's spectrum allocation for launches, and the historical portrayal of the Ingenuity helicopter.
Today's space news features significant discussions on the funding of Space Force, advancements in hypersonic technology, and the potential impacts of spectrum auction plans on border defense systems.
NRO awards three commercial data contracts and explores vetting satellite firms for airborne target tracking via U.S. Space Force. Strategic expansion of GEOINT capabilities.
Trump's interim Air Force One—a $400M Boeing 747-8—equipped with Starlink for presidential communications. First confirmed LEO constellation use for White House comms.
SpaceX launches Starlink while debuting on Nasdaq at $1.77 trillion valuation. Meanwhile, Senate FY2027 NDAA would dissolve SDA into Space Force, affecting Tranche constellation tracking.
SpaceX completed a successful Bandwagon rideshare mission, launching a private space station pathfinder along with multiple satellites, marking another significant milestone in 2025's launch schedule.
DARPA's robotic satellite servicing mission targets GEO orbit by summer 2026. NASA adds six SpaceX crew missions as Boeing Starliner remains uncertified.