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OPS 6638 (VELA 7), 2765

Orbit data source: Space-Track

OPS 6638 (VELA 7), 2765 is a payload satellite owned by USAF SSD (US) in HEO that was launched on Fri, 28 Apr 1967 UTC via a TITAN IIIC launch vehicle from the Air Force Eastern Test Range (AFETR). 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/2765?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/2765?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

2765, 1967-040A

Orbit

HEO

Country

Related business

United States Space Force (US)

Manufacturer

TRW

Mission

Spacecraft

Bus & Motor

VELA, BE-3

Mass

331 kg wet, 221 kg dry

Launch date (UTC)

1967-04-28 (59 years ago)

Launch vehicle

TITAN IIIC

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

POLY, 1.1 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 1 month ago

TLE from 1 month ago

0 OPS 6638 (VELA 7)
1 02765U 67040A   26214.16775039 -.00001205  00000-0  00000-0 0  9999
2 02765  41.6878   3.0776 4993940 297.1855 359.4199  0.21534265 13589

Epoch: 2026-08-02T04:01Z

TLE epoch observation values (Epoch: 2026-08-02T04:01:33.633Z)

Latitude

-37.73447°

Longitude

-68.50431°

Altitude

51,491.647 km

Speed

3.223 km/s

True Right ascension

20h 10m 37s

True Declination

-37° 42' 50"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

07:32:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

169,913.573 km

Perigee altitude

52,480.767 km

Semi-major axis

117,575.307 km

Eccentricity

0.49939

Inclination

41.6878°

RAAN

3.0776°

Arg. of periapsis

297.1855°

True anomaly

357.9948°

Mean anomaly

359.4199°

Eccentric anomaly

358.84128°

Mean motion

0.05384 °/min

Orbital period

6,687.03 mins

BSTAR

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Other satellites on launch #40 in the year 1967 (1967-04-28 UTC)

ERS 20 (OV5-3), 2768

VELA 7/8 INTERSTAGE, 60000

TITAN 3C TRANSTAGE R/B, 2770

ERS 27 (OV5-1), 2769

ERS 18, 2767

OPS 6679 (VELA 8), 2766

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OPS 6638 (VELA 7) Visibility forecast

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Span	Click to sort rows by Start time (UTC) header in descending order	Start Az.	Max El. time (UTC)	Max El. Az.	Max El.	End time (UTC)	End Az.
557 mins	2026-09-11 15:10:49.431Z	104° ESE	2026-09-11 18:20:49.431Z	173.974° S	64.875°	2026-09-12 00:27:49.431Z	270.025° WNW

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out OPS 6638 (VELA 7), 2765 on other resources

View OPS 6638 (VELA 7), 2765 on NASA - NSSDCA Website

View OPS 6638 (VELA 7), 2765 on Heavens-Above

View OPS 6638 (VELA 7), 2765 on Keep Track

View OPS 6638 (VELA 7), 2765 on Celestrak

View OPS 6638 (VELA 7), 2765 on Gunter's Space Page

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

OPS 6638 (VELA 7), 2765

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 month ago

TLE from 1 month ago

TLE epoch observation values (Epoch: 2026-08-02T04:01:33.633Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #40 in the year 1967 (1967-04-28 UTC)

OPS 6638 (VELA 7) Visibility forecast

Co-orbital & Co-planar RSOs

Check out OPS 6638 (VELA 7), 2765 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 month ago