Starlink 17-40 Adds 24 Sats from Vandenberg | KeepTrack X Report
SpaceX's Starlink 17-40 mission launches 24 satellites from Vandenberg SFB at 7:36 a.m. PDT, expanding the 10,705-satellite constellation.
CZ-3B DEB (40187)
COSPAR: 2011-077L | Alt Name: deb CZ-3B Y21
Image
Additional Sources
Launch Details
Launch Date
December 19, 2011
Launch Site
XICLF
Launch Pad
LC2
Launch Vehicle
Chang Zheng 3B
Orbital Elements
NORAD ID
40187
International Designator
2011-077L
Epoch
Fri, 03 Jul 2026 15:14:10 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
26.76°
Right Ascension
349.95°
Eccentricity
Calculating...
Argument of Perigee
46.74°
Period
754.01 min
Mean Motion
1.91 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
CZ-3B DEB
Alternative Name
deb CZ-3B Y21
Type
Debris
Status
Space Junk
Owner
CASC
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 40187U 11077L 26184.63483971 -.00000484 00000-0 -15993-1 0 9994
2 40187 26.7611 349.9478 7380127 46.7440 354.8983 1.90979912 94923
Source: Celestrak
Summary
Space debris, also known as space junk, encompasses all non-functional objects orbiting Earth such as defunct satellites, spent rocket stages, and fragments from collisions or disintegrations. Over time, this debris can accumulate and create an increasingly hazardous environment in orbit. Even tiny fragments, traveling at extremely high velocities, can inflict significant damage on operational satellites and spacecraft. If left unmanaged, the density of debris raises the risk of catastrophic collisions and further fragmentation, compounding the problem and threatening the safety and sustainability of space activities.
Physical Characteristics
Length
0
Diameter
0
Span
0
Dry Mass
0
Launch Mass
0
Shape
N/A
Radar Cross Section
0.489
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Unknown
Purpose
Unknown
Mission
Unknown
Manufacturer
CALT
Life Expectancy
Unknown
Bus
Unknown
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Space Brief 14 Dec 2025
Today's briefing covers Blue Origin's certification progress, a near-miss between a Chinese spacecraft and a Starlink satellite, SpaceX's latest Starlink launch and booster landing, potential IPO news from SpaceX, and advancements in Starlink integration with Tesla vehicles.
Space Brief 22 Jan 2025
Today's highlights include defense sector investments, major military contracts with Rocket Lab, and a glimpse at new American Innovation dollar coins featuring space achievements.
Apogee and Perigee
Understanding the high and low points of every orbit - from the International Space Station's careful dance with Earth's atmosphere to the extreme ellipses that take satellites to the edge of space and back.
Starcloud Files 88,000-Satellite Constellation Plan | KeepTrack Space Brief
Starcloud files FCC plans for 88,000-satellite orbital data center constellation, matching scale of Starlink and Amazon Kuiper expansions. Massive LEO conjunction risk implications.
Space Brief 12 Jul 2025
Today's focus spans from major military training initiatives in orbit to key updates on drone policies and crucial satellite launches.
X Report 11 Dec 2025
SpaceX has confirmed plans for an IPO and successfully launched multiple batches of Starlink satellites, advancing its mission for global internet coverage.
Vulcan GEM 63XL Passes Static Fire; February Anomaly Still Under Investigation | KeepTrack Space Brief
Northrop Grumman's GEM 63XL solid rocket booster passed static fire testing, but ULA's investigation into a February 2026 Vulcan in-flight anomaly remains open. No RTF date set.