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NOAA 11 (19531)
COSPAR: 1988-089A | Alt Name: NOAA 11
Image
Additional Sources
Launch Details
Launch Date
September 24, 1988
Launch Site
AFWTR
Launch Pad
SLC3W
Launch Vehicle
Atlas E
Orbital Elements
NORAD ID
19531
International Designator
1988-089A
Epoch
Sat, 04 Jul 2026 06:00:04 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
98.62°
Right Ascension
130.47°
Eccentricity
Calculating...
Argument of Perigee
247.37°
Period
101.71 min
Mean Motion
14.16 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
NOAA 11
Alternative Name
NOAA 11
Type
Payload
Status
Non-operational
Owner
NOAA
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 19531U 88089A 26185.25005644 .00000064 00000-0 53984-4 0 9993
2 19531 98.6201 130.4666 0009918 247.3709 112.6417 14.15841654949892
Source: Celestrak
Summary
NOAA 11, also known as TIROS-N Bus, is a meteorological satellite operated by NOAA and manufactured by GEEW. Launched on September 24, 1988, from AFWTR using an Atlas E launch vehicle at SLC3W, the spacecraft measures 4.2 meters in length with a diameter of 1.9 meters and spans 8 meters when deployed. It has a dry mass of 1030 kg and was designed for a minimum lifetime of two years. Equipped with a deployable solar array and batteries for power supply, NOAA 11 was intended for meteorological purposes and features an RCS (Reaction Control System) value of 3.8291. The satellite has a box-like shape with pan extensions and uses the Star 37S motor for propulsion. Its launch mass is also 1030 kg.
Physical Characteristics
Length
4.2
Diameter
1.9
Span
8
Dry Mass
1030
Launch Mass
1030
Shape
Box + Pan
Radar Cross Section
3.8291
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
NOAA H/S04
Purpose
Meteorology
Mission
Meteorology
Manufacturer
GEEW
Life Expectancy
2 years minimum
Bus
ATN
Configuration
TIROS-N Bus
Motor
Star 37S
Equipment
?
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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