2026-244Latest orbital launch: Falcon 9 · Starlink Group 15-16 · Oct 27, 2026 · VandenbergLaunch record →
sci-techmaventhe history of spaceflight, in data
  1. Home
  2. Spacecraft
  3. Calsphere
// calibration · 1964

Calsphere

Calsphere was launched on October 6, 1964 aboard a Thor Ablestar from Vandenberg. Latest status in GCAT: in orbit.

COSPAR 1964-063CNORAD 900United States

Identity

Name in GCAT
Dragsphere 1
Common name
Calsphere
Payload designation
Dragsphere
International designator
1964-063C
NORAD catalog number
900
GCAT identifier
S00900
UN registration
A/AC.105/INF.085

Mission

Mission type
Calibration
Use
Defense
Program
NRL Cal
Owner
NRL
Country
United States
Builder
Naval Research Lab
Platform (bus)
NRL 14"

Launch

Date
October 6, 1964 · 17:04 UTC
Launch record
1964-063Success
Spaceport
Vandenberg · pad 75-1-2

Orbit and fate

Orbit class (GCAT)
LEO/P
Perigee
1,053 km
Apogee
1,081 km
Inclination
89.92°
Status
In orbit
Last known active
Oct 6, 1964
End of operations
Oct 6, 1964

Size

Mass
1 kg
Dry mass
1 kg
Length
0.4 m
Diameter
0.40 m
Span
0.4 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q9184297 (CC0).