X Report 27 May 2025
Today marks a significant day for SpaceX as the company prepares for the 9th test flight of its Starship-Super Heavy rocket, alongside a successful launch of 24 Starlink satellites to polar orbit.
ARTEMIS P1 (THEMIS B) (30581)
COSPAR: 2007-004B | Alt Name: THEMIS B
Image
Additional Sources
Launch Details
Launch Date
February 17, 2007
Launch Site
Launch Pad
SLC17B
Launch Vehicle
Delta 7925-10C
Orbital Elements
NORAD ID
30581
International Designator
2007-004B
Epoch
Tue, 06 Apr 2010 21:29:59 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
16.64°
Right Ascension
318.78°
Eccentricity
Calculating...
Argument of Perigee
258.48°
Period
70123.63 min
Mean Motion
0.02 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
ARTEMIS P1 (THEMIS B)
Alternative Name
THEMIS B
Type
Payload
Status
Operational
Owner
GSFC
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 30581U 07004B 10095.89583333 -.15399425 00000-0 99999-4 0 9993
2 30581 016.6405 318.7761 9672524 258.4792 301.1994 00.02053516 6438
Source: Celestrak
Summary
ARTEMIS P1 (THEMIS B) is a research satellite launched by NASA on February 17, 2007, from Cape Canaveral Air Force Station using a Delta 7925-10C launch vehicle. The spacecraft has dimensions of 0.5 meters in length and 0.8 meters in diameter with a span of 49.6 meters, featuring a configuration known as SMEX-Lite Spacecraft. Its dry mass is 76 kilograms, and it was launched with a total mass of 125 kilograms. The satellite utilizes solar cells and batteries for power generation. It has a shape described as "Box + 2 Ant" and an RCS (Reaction Control System) value of 0.631. ARTEMIS P1 is part of the THEMIS mission managed by GSFC, with its primary purpose being research. The satellite was manufactured by SWALES. Its operational lifetime was planned for two years following its launch date.
Physical Characteristics
Length
0.5
Diameter
0.8
Span
49.6
Dry Mass
76
Launch Mass
125
Shape
Box + 2 Ant
Radar Cross Section
0.631
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
THEMIS P1
Purpose
Research
Mission
Research
Manufacturer
SWALES
Life Expectancy
2 years
Bus
ATK-A100
Configuration
SMEX-Lite Spacecraft
Motor
Unknown
Equipment
see above
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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