SpaceX Postpones Falcon Heavy Launch Carrying Secretive X-37B Spaceplane
SpaceX delays the much-anticipated Falcon Heavy launch of the secretive X-37B military spaceplane, marking a significant moment in space exploration and military technology.
EXPLORER 30 (01738)
COSPAR: 1965-093A | Alt Name: SR VIII
Image
Additional Sources
Launch Details
Launch Date
November 19, 1965
Launch Site
WLPIS
Launch Pad
LA3A
Launch Vehicle
Scout X-4
Orbital Elements
NORAD ID
01738
International Designator
1965-093A
Epoch
Sat, 04 Jul 2026 06:21:46 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
59.71°
Right Ascension
186.80°
Eccentricity
Calculating...
Argument of Perigee
53.41°
Period
99.87 min
Mean Motion
14.42 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
EXPLORER 30
Alternative Name
SR VIII
Type
Payload
Status
Unknown
Owner
Naval Research Laboratory
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 01738U 65093A 26185.26511750 .00000120 00000-0 76293-4 0 9995
2 01738 59.7052 186.7968 0136316 53.4112 307.9378 14.41840804158858
Source: Celestrak
Summary
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.
Physical Characteristics
Length
0.6
Diameter
0.6
Span
0.6
Dry Mass
57
Launch Mass
57
Shape
Sphere
Radar Cross Section
0.3703
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Solar Explorer A
Purpose
Research
Mission
Research
Manufacturer
Naval Research Laboratory
Life Expectancy
Unknown
Bus
NRL 24
Configuration
NRL 20in sphere
Motor
?
Equipment
Unknown
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
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Artemis 2 Crewed Lunar Flyby Scheduled for April 1 | KeepTrack Space Brief
NASA's Artemis II launches 4 astronauts on lunar flyby April 1. Soyuz-5 inaugural flight confirmed for April 3. Space warfare doctrines shift toward agentic AI for faster decision loops.
Starship Florida Launch Targeting 2026 | KeepTrack X Report
SpaceX is pushing to launch Starship from Cape Canaveral before end of 2026, with contractors ramping work at LC-39A.
Pentagon Cancels OPIR Polar After Northrop Sensor Delivery | KeepTrack Space Brief
Pentagon cancels Next-Generation OPIR Polar program after Northrop Grumman delivered sensor payload. LEO and MEO alternatives deemed sufficient for missile-warning coverage.
Space Brief 8 May 2025
Today we cover new appointments at NASA, calls for increased Space Force funding, and a successful test of a hypersonic vehicle. Further investigations target SpaceX, and a documentary highlights space superiority.
Space Brief 21 Mar 2025
Today's highlights include SpaceX's new rocket-reuse record with a spy satellite launch, Space Force's funding strategies, and a European defense summit addressing security concerns.
Blue Origin's New Glenn Destroyed in Static Fire Test at Cape Canaveral | KeepTrack Space Brief
Blue Origin's fourth New Glenn rocket exploded during static fire at LC-36, Cape Canaveral, destroying the fully stacked vehicle and pad infrastructure. Amazon Leo launch postponed indefinitely.
Space Brief 18 Sep 2025
Today's coverage includes China's recent satellite launch, the Space Force's challenges with current tracking capabilities, and advancements in nuclear propulsion from Ohio State.