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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

Unknown

Radar Cross Section

RCS unknown

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   26102.69259813 -.00000511  00000-0  00000-0 0  9999
2 02765  40.7970   6.5171 5048067 292.5333   0.3581  0.21563768 13342

Epoch: 2026-04-12T16:37Z

TLE epoch observation values (Epoch: 2026-04-12T16:37:20.478Z)

Latitude

-37.29611°

Longitude

-145.31666°

Altitude

52,802.119 km

Speed

3.175 km/s

True Right ascension

20h 19m 39s

True Declination

-37° 16' 34"

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

07:08:19

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

170,388.581 km

Perigee altitude

51,791.257 km

Semi-major axis

117,468.056 km

Eccentricity

0.50481

Inclination

40.797°

RAAN

6.5171°

Arg. of periapsis

292.5333°

True anomaly

1.26055°

Mean anomaly

0.3581°

Eccentric anomaly

0.72313°

Mean motion

0.05391 °/min

Orbital period

6,677.89 mins

BSTAR

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

ERS 27 (OV5-1), 2769

OPS 6679 (VELA 8), 2766

ERS 18, 2767

TITAN 3C TRANSTAGE R/B, 2770

ERS 20 (OV5-3), 2768

VELA 7/8 INTERSTAGE, 60000

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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.
340 mins	2026-05-10 01:37:44.224Z	123.694° SE	2026-05-10 04:15:44.224Z	151.244° SSE	15.805°	2026-05-10 07:17:44.224Z	175.086° S
528 mins	2026-05-10 13:31:44.224Z	188.022° SSW	2026-05-10 18:02:44.224Z	224.651° SW	23.557°	2026-05-10 22:19:44.224Z	271.928° 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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Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

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: 2026-04-12T16:37:20.478Z)

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