ESA's Proba-3 Formation-Flyer Goes Silent | KeepTrack Space Brief
ESA's Proba-3 spacecraft lost contact last month, grounding the dual-satellite solar eclipse mission. Formation flying between both craft is critical for coronagraph science.
DELFI-N3XT (39428)
COSPAR: 2013-066N | Alt Name: Delfi-n3Xt
Image
Additional Sources
Launch Details
Launch Date
November 21, 2013
Launch Site
DLS
Launch Pad
Sh370/13
Launch Vehicle
Dnepr
Orbital Elements
NORAD ID
39428
International Designator
2013-066N
Epoch
Sat, 04 Jul 2026 05:50:53 GMT
Apogee
Calculating...
Perigee
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Inclination
97.83°
Right Ascension
105.54°
Eccentricity
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Argument of Perigee
148.91°
Period
96.30 min
Mean Motion
14.95 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
DELFI-N3XT
Alternative Name
Delfi-n3Xt
Type
Payload
Status
Non-operational
Owner
DELFT
Country
Netherlands
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 39428U 13066N 26185.24367515 .00008138 00000-0 70392-3 0 9991
2 39428 97.8323 105.5398 0075075 148.9122 211.6573 14.95254010677176
Source: Celestrak
Summary
DELFI-N3XT is a CubeSat (3U) satellite launched on November 21, 2013, from DLS Launch Site at Sh370/13 using the Dnepr launch vehicle. The satellite measures 0.3 meters in length with a diameter of 0.1 meters and spans 0.3 meters. It has a dry mass of 3.5 kilograms and was manufactured by DELFT for technology demonstration purposes. The satellite is powered by four deployable fixed solar arrays and batteries, and its shape consists of a box with four panels. Its country of origin is the Netherlands (NL), and it operates under the owner DELFT.
Physical Characteristics
Length
0.3
Diameter
0.1
Span
0.3
Dry Mass
3.5
Launch Mass
3.5
Shape
Box + 4 pan
Radar Cross Section
0.1185
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Delfi-n3Xt
Purpose
Technology
Mission
Technology
Manufacturer
DELFT
Life Expectancy
Unknown
Bus
Cubesat 3U
Configuration
CubeSat (3U)
Motor
T3�PS
Equipment
Unknown
Power System
4 deployable fixed 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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