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Artemis 2's four-person crew splashed down April 10 after first crewed lunar flyby since Apollo 17. Orion performance data critical for Artemis 3 south pole landing planning.
LANDSAT 7 (25682)
COSPAR: 1999-020A | Alt Name: Landsat 7
Image
Additional Sources
Launch Details
Launch Date
April 15, 1999
Launch Site
AFWTR
Launch Pad
SLC2W
Launch Vehicle
Delta 7920-10
Orbital Elements
NORAD ID
25682
International Designator
1999-020A
Epoch
Sat, 04 Jul 2026 03:02:45 GMT
Apogee
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Perigee
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Inclination
97.86°
Right Ascension
187.99°
Eccentricity
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Argument of Perigee
80.67°
Period
98.37 min
Mean Motion
14.64 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
LANDSAT 7
Alternative Name
Landsat 7
Type
Payload
Status
Non-operational
Owner
USGS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 25682U 99020A 26185.12691568 .00000490 00000-0 10207-3 0 9999
2 25682 97.8583 187.9862 0001732 80.6749 344.2778 14.63931634448329
Source: Celestrak
Summary
LANDSAT 7, also known as Landsat 7, is an Earth observation satellite operated by USGS and was launched on April 15, 1999, from AFWTR using a Delta 7920-10 launch vehicle. It has dimensions of 4.3 meters in length, 2.8 meters in diameter, and spans 8 meters. The satellite features a TIROS-N Bus with an ETM (#6) and ETM+ (#7) equipment configuration for its mission. Its dry mass is 1979 kg and it had a launch mass of 2101 kg. LANDSAT 7 uses a deployable solar array and batteries for power, and has an attitude control system (AOCS). The satellite's shape is described as a box with a pan and its radar cross-section (RCS) is 4.5153 m². It was manufactured by LMVF and planned to have a lifetime of five years.
Physical Characteristics
Length
4.3
Diameter
2.8
Span
8
Dry Mass
1979
Launch Mass
2101
Shape
Box + Pan
Radar Cross Section
4.5153
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Landsat 7
Purpose
Earth observation
Mission
Earth observation
Manufacturer
LMVF
Life Expectancy
5 years (planned)
Bus
Tiros N
Configuration
TIROS-N Bus
Motor
AOCS
Equipment
ETM (#6), ETM+ (#7)
Power System
Deployable solar array, 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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