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ORION 3 (25727)
COSPAR: 1999-024A | Alt Name: Orion 3
Image
Additional Sources
Launch Details
Launch Date
May 5, 1999
Launch Site
Launch Pad
SLC17B
Launch Vehicle
Delta 8930
Orbital Elements
NORAD ID
25727
International Designator
1999-024A
Epoch
Sat, 04 Jul 2026 00:22:39 GMT
Apogee
Calculating...
Perigee
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Inclination
19.83°
Right Ascension
297.00°
Eccentricity
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Argument of Perigee
167.95°
Period
138.57 min
Mean Motion
10.39 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
ORION 3
Alternative Name
Orion 3
Type
Payload
Status
Unknown
Owner
LORI
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 25727U 99024A 26185.01573827 .00000093 00000-0 41464-3 0 9996
2 25727 19.8291 296.9972 0041005 167.9460 192.1854 10.39160428 70564
Source: Celestrak
Summary
ORION 3 is a communication satellite with NORAD identification number 25727 and designated OBJECT_ID as 1999-024A. It was launched on May 5, 1999, from the Air Force Eastern Test Range (AFETR) at SLC17B using a Delta 8930 launch vehicle. The satellite is owned by LORI and manufactured by HSES based in the US. ORION 3 has a bus configuration of HS-601HP, measures 5.8 meters in length, 3.5 meters in diameter, and has a span of 10 meters. Its dry mass is 2,000 kg with a launch mass of 4,300 kg. Equipped with 10 C-band transponders and 33 Ku-band transponders for communication purposes, it relies on two deployable solar arrays and batteries for power supply. The satellite's shape consists of a box structure with two panels, and its expected lifetime is approximately 15 years.
Physical Characteristics
Length
5.8
Diameter
3.5
Span
10
Dry Mass
2000
Launch Mass
4300
Shape
Box + 2 Pan
Radar Cross Section
10.483
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Orion 3
Purpose
Communication
Mission
Communication
Manufacturer
HSES
Life Expectancy
15 years
Bus
HS-601HP
Configuration
HS-601HP
Motor
X/R-4D14-300
Equipment
10 C-band transponders, 33 Ku-band transponders
Power System
2 deployable solar arrays, 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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