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. OV1-15
// space science · 1968

OV1-15

OV1-15, also referred to as Solar Perturbation of Atmospheric Density Experimental Satellite, was designed to study synoptically the fluctuations of atmospheric density, composition, and temperature as a function of solar magnetospheric disturbances.. OV1-15 was launched on July 11, 1968 aboard a Atlas F from Vandenberg. Latest status in GCAT: reentered (orbital decay) (Nov 6, 1968).

COSPAR 1968-059ANORAD 3318United States

Identity

Name in GCAT
OV1-15
Payload designation
OV1-15S
Other names
SPADES
International designator
1968-059A
NORAD catalog number
3318
GCAT identifier
S03318
UN registration
A/AC.105/INF.196

Mission

Mission type
Space science
Use
Civil government
Program
OV1 F
Owner
USAF OAR
Country
United States
Builder
General Dynamics/Convair Division (Plant 19)
Platform (bus)
OV1

Launch

Date
July 11, 1968 · 19:30 UTC
Launch record
1968-059Success
Rocket
Atlas F
Spaceport
Vandenberg · pad ABRESA2

Orbit and fate

Orbit class (GCAT)
LEO/P
Perigee
147 km
Apogee
1,544 km
Inclination
89.85°
Status
Reentered (orbital decay)
Status date
November 6, 1968
Last known active
Nov 6, 1968
End of operations
Nov 6, 1968

Size

Mass
214 kg
Dry mass
214 kg
Length
1.4 m
Diameter
0.70 m
Span
1.4 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q113148166 (CC0).