Launch Date
February 28, 1966
Launch Site
Launch Pad
LC17B
Launch Vehicle
Thor Delta E
NORAD ID
02091
International Designator
1966-016A
Epoch
Sun, 19 Jul 2026 17:27:21 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
101.23°
Right Ascension
109.14°
Eccentricity
Calculating...
Argument of Perigee
189.74°
Period
113.44 min
Mean Motion
12.69 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
ESSA 2 (OT-2)
Alternative Name
ESSA 2
Type
Status
Owner
ESSA
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
1 02091U 66016A 26200.72733006 -.00000038 00000+0 29783-4 0 9993
2 02091 101.2289 109.1450 0038652 189.7421 228.1574 12.69431654797758
Source: Celestrak
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Length
0.6
Diameter
1.1
Span
1.1
Dry Mass
130
Launch Mass
130
Shape
Cyl
Radar Cross Section
0.765
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Tiros OT2
Purpose
Meteorology
Mission
Meteorology
Manufacturer
RCA
Life Expectancy
Unknown
Bus
Tiros I
Configuration
Unknown
Motor
?
Equipment
2 x AVCS (#T9, 1, 3, 5, 7, 9); 2 x APT (#2, 4, 6, 8); FPR (#3, 5, 7, 9)
Power System
Solar cells, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Learn more about satellites and other related topics.
On April 22, 2026, the FAA published a final rule implementing per-launch user fees for commercial space transportation — the first time the U.S. government has charged payload-based fees for rocket launches. Starting at 25 cents per pound with a $30,000 cap, the fees are modest today. By 2033, they won't be.
Today's brief highlights a significant geospatial data collaboration between Maxar and Saab, defense budget discussions affecting satellite deployments, and the naming of new military command chiefs.
SpaceX explores new horizons with Starship's point-to-point travel announcement and reports significant Starlink deployment progress.
Today's briefing covers Iceye's new aerospace service for defense clients, ESA's plan for dual-use satellites, and key defense agreements impacting satellite technology.
Expansion of national security capabilities with new services, shifts in Pentagon priorities, challenges in zero trust compliance, and more.
SpaceX makes significant strides with Starship Flight Test 10 approved and updates on the new Starbase pad design.
Today's brief covers challenges in Space Force procurement, promising developments in tracking technologies, and significant budget cuts affecting military aerospace projects.
Today's highlights cover critical satellite launches including SpaceX's GPS III mission, advancements in SATCOM technology, and changes in NASA leadership.
