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. Transit Research and Attitude Control
// technology · 1961

Transit Research and Attitude Control

U.S. Navy satellite. Transit Research and Attitude Control was launched on November 15, 1961 aboard a Thor Ablestar from Cape Canaveral & Kennedy. Latest status in GCAT: in orbit.

COSPAR 1961 A ETA 2NORAD 205United States

Identity

Name in GCAT
Traac
Common name
Transit Research and Attitude Control
International designator
1961 A ETA 2
NORAD catalog number
205
GCAT identifier
S00205
UN registration
A/AC.105/INF.001

Mission

Mission type
Technology
Use
Defense
Program
Transit
Owner
USN BuWeps
Country
United States
Builder
JHU-Applied Physics Lab
Platform (bus)
Transit 4

Launch

Date
November 15, 1961 · 22:26 UTC
Launch record
1961 A ETASuccess
Spaceport
Cape Canaveral & Kennedy · pad LC17B

Orbit and fate

Orbit class (GCAT)
LEO/I
Perigee
934 km
Apogee
1,129 km
Inclination
32.43°
Status
In orbit
Last known active
Aug 14, 1962
End of operations
Aug 14, 1962

Size

Mass
105 kg
Dry mass
105 kg
Length
1.0 m
Diameter
1.10 m
Span
10.0 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q54387 (CC0).