X Report 3 Sep 2025
SpaceX successfully launched 24 Starlink satellites aboard a brand-new Falcon 9 rocket. The company aims for five missions this week, bolstering its satellite internet constellation.
ISO (23715)
COSPAR: 1995-062A | Alt Name: ISO
Image
Additional Sources
Launch Details
Launch Date
November 17, 1995
Launch Site
FRGUI
Launch Pad
ELA2
Launch Vehicle
Ariane 44P
Orbital Elements
NORAD ID
23715
International Designator
1995-062A
Epoch
Fri, 03 Jul 2026 10:32:03 GMT
Apogee
Calculating...
Perigee
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Inclination
1.06°
Right Ascension
339.95°
Eccentricity
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Argument of Perigee
327.64°
Period
1409.00 min
Mean Motion
1.02 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
ISO
Alternative Name
ISO
Type
Payload
Status
Non-operational
Owner
ESA
Country
European Space Agency
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 23715U 95062A 26184.43893082 -.00000212 00000-0 19350-2 0 9994
2 23715 1.0621 339.9494 8347441 327.6442 1.2966 1.02199986113868
Source: Celestrak
Summary
ISO (1995-062A) is an astronomy and infra-red satellite operated by ESA, launched on November 17, 1995, from ELA2 at Kourou using an Ariane 44P launch vehicle. The spacecraft measures 5.3 meters in length with a diameter of 2.8 meters and a span of 5.3 meters. It has a dry mass of 1515 kg and was launched with a total mass of 2498 kg. Equipped with a 60 cm Ritchey-Chretien telescope, cryostat, ISOCAM, ISOPHOT, SWS, and LWS, ISO's mission focused on astronomy and infra-red observations. Its power supply consisted of solar cells and batteries, and it was expected to have an operational lifetime of 18 months. The satellite has a cylindrical shape with panels, manufactured by AESPC, and its shape factor (RCS) is 4.1623 square meters.
Physical Characteristics
Length
5.3
Diameter
2.8
Span
5.3
Dry Mass
1515
Launch Mass
2498
Shape
Cyl + Pan
Radar Cross Section
4.1623
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
ISO
Purpose
Astronomy, Infra-Red
Mission
Astronomy, Infra-Red
Manufacturer
AESPC
Life Expectancy
18 months
Bus
ISO
Configuration
Unknown
Motor
ISO AOCS
Equipment
60 cm Ritchey-Chretien telescope, cryostat, ISOCAM, ISOPHOT, SWS, LWS
Power System
Solar cells, 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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