Space Brief 7 Apr 2025
Today's highlights include new ESA Euclid data, upcoming Blue Origin flight, and multiple Starlink launches, delivering fresh satellite tracking opportunities.
STARLINK-3115 (49447)
COSPAR: 2021-104AR | Alt Name: Starlink 3115
Image
Additional Sources
Launch Details
Launch Date
November 13, 2021
Launch Site
Launch Pad
LC40
Launch Vehicle
Orbital Elements
NORAD ID
49447
International Designator
2021-104AR
Epoch
Sat, 04 Jul 2026 08:00:03 GMT
Apogee
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Perigee
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Inclination
53.16°
Right Ascension
55.14°
Eccentricity
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Argument of Perigee
67.99°
Period
94.96 min
Mean Motion
15.16 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
STARLINK-3115
Alternative Name
Starlink 3115
Type
Payload
Status
Operational
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 49447U 21104AR 26185.33336806 .01179840 00000-0 55048-1 0 9993
2 49447 53.1606 55.1423 0001251 67.9887 355.9136 15.16424162 4902
Source: Celestrak
Summary
The STARLINK-3115 satellite, also known as Starlink 3115, is part of the Starlink constellation and was launched on November 13, 2021, from Launch Complex 40 at Cape Canaveral Air Force Station using a Falcon 9 launch vehicle. This communication satellite has dimensions of 0.2 meters in length with a diameter of 2.8 meters and a span of 9 meters. It has a dry mass of 270 kilograms and a launch mass of 290 kilograms. The satellite is equipped with Ku/Ka-band payload, optical inter-satellite link for communication, and uses solar arrays and batteries for power. Its propulsion system consists of Krypton ion thrusters. Manufactured by SpaceX (SPXS), the satellite’s purpose is to provide communication services as part of the Starlink Group 4-1-40 mission.
Starlink is a satellite constellation developed by SpaceX with the aim of providing global broadband internet coverage. Thousands of small satellites are deployed in low Earth orbit (LEO), enabling high-speed internet access even in remote areas. However, the rapid increase in satellites raises concerns about space debris and the potential for collisions, which can lead to further debris creation and endanger other spacecraft. Additionally, the sheer number of Starlink satellites can affect astronomical observations by increasing light pollution. Proper deorbiting plans and international coordination are essential to mitigate these challenges and ensure long-term sustainability in space.
Starlink is a satellite constellation developed by SpaceX with the aim of providing global broadband internet coverage. Thousands of small satellites are deployed in low Earth orbit (LEO), enabling high-speed internet access even in remote areas. However, the rapid increase in satellites raises concerns about space debris and the potential for collisions, which can lead to further debris creation and endanger other spacecraft. Additionally, the sheer number of Starlink satellites can affect astronomical observations by increasing light pollution. Proper deorbiting plans and international coordination are essential to mitigate these challenges and ensure long-term sustainability in space.
Physical Characteristics
Length
0.2
Diameter
2.8
Span
9
Dry Mass
270
Launch Mass
290
Shape
Box + pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Starlink Group 4-1-40
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
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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