DECAYED

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OPS 5268 (CALSPHERE 3), 4957 (Decayed)

Orbit data source: Public

OPS 5268 (CALSPHERE 3), 4957 was a payload satellite that was launched on Wed, 17 Feb 1971 UTC via a THOR BURNER 2 launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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<iframe src="https://www.satcat.com/sats-embedded/4957?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/4957?theme=dark&initialShowStats=false

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ISO8601 Format

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ISO8601 Format

Identifier

4957, 1971-012C

Orbit

Decayed

Last TLE update

Unknown

Origin

United States Navy (US)

Manufacturer

NRL

Mission

Decayed Defense Calibration

Bus & Motor

NRL 10", Unknown motor

Mass

1 kg wet, 1 kg dry

Launch date (UTC)

1971-02-17 (54 years ago)

Launch vehicle

THOR BURNER 2

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Sphere, 0.26 m

Radar Cross Section

0.053 m², Medium (>0.1 m² and < 1m²)

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TLE epoch observation values

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

True Right ascension

Unknown

True Declination

Unknown

Sunlit

N/A

Visualization orbit readout

No trajectory is available.

Visualization observer readout

No trajectory is available.

Orbital elements

Apogee altitude

Unknown

Perigee altitude

Unknown

Semi-major axis

Unknown

Eccentricity

Unknown

Inclination

Unknown

RAAN

Unknown

Arg. of periapsis

Unknown

True anomaly

Unknown

Mean anomaly

Unknown

Eccentric anomaly

Unknown

Mean motion

Unknown

Orbital period

Unknown

BSTAR

Unknown

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Other satellites on launch #12 in the year 1971 (1971-02-17 UTC)

OPS 5268 (DMSP 5A F3), 4953

THOR BURNER 2 R/B, 4954

OPS 5268 (CALSPHERE 4), 4958 (Decayed)

OPS 5268 (CALSPHERE 5), 4963 (Decayed)

OPS 5268 (CALSPHERE 3) Visibility

Observer location: undefined°, undefined°

This satellite is decayed

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Check out OPS 5268 (CALSPHERE 3), 4957 (Decayed) on other resources

View OPS 5268 (CALSPHERE 3), 4957 (Decayed) on Celestrak

View OPS 5268 (CALSPHERE 3), 4957 (Decayed) on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.