SpaceX Launches CAS500-2 and 44 Rideshares, Space Brief 3 May 2026
SpaceX CAS500-2 launch success: Falcon 9 flew May 3 at 0700 UTC from Vandenberg with South Korea's imaging satellite and 44 rideshare payloads.
CLEMENTINE (25978)
COSPAR: 1999-064B | Alt Name: Clementine
Image
Additional Sources
Launch Details
Launch Date
December 3, 1999
Launch Site
FRGUI
Launch Pad
ELA2
Launch Vehicle
Ariane 40
Orbital Elements
NORAD ID
25978
International Designator
1999-064B
Epoch
Sat, 04 Jul 2026 05:11:07 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
98.15°
Right Ascension
281.43°
Eccentricity
Calculating...
Argument of Perigee
107.11°
Period
93.46 min
Mean Motion
15.41 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
CLEMENTINE
Alternative Name
Clementine
Type
Payload
Status
Non-operational
Owner
CNES/DGA
Country
France
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 25978U 99064B 26185.21606259 .00035236 00000-0 85879-3 0 9991
2 25978 98.1467 281.4315 0002505 107.1088 253.0430 15.40826659711179
Source: Celestrak
Summary
The satellite named CLEMENTINE (OBJECT_ID: 1999-064B) is a Microsat-70 bus spacecraft launched by CNES/DGA on December 3, 1999, from ELA2 launch pad in Kourou, French Guiana using an Ariane 40 launch vehicle. Measuring 0.7 meters in length and with a diameter of 0.4 meters, its span is 6 meters due to its antenna configuration. The satellite has a dry mass and launch mass of 50 kilograms each and relies on solar cells and batteries for power supply. Its shape can be described as a box with an attached antenna, and it was designed for electronic intelligence (ELINT) and experimental purposes. The manufacturer is ALC, and its radar cross-section (RCS) is 0.6891 square meters.
Physical Characteristics
Length
0.7
Diameter
0.4
Span
6
Dry Mass
50
Launch Mass
50
Shape
Box + Ant
Radar Cross Section
0.6891
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Clementine
Purpose
ELINT, experimental
Mission
ELINT, experimental
Manufacturer
ALC
Life Expectancy
Unknown
Bus
UoSAT
Configuration
Microsat-70
Motor
None
Equipment
Unknown
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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