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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 URL

https://www.satcat.com/sats-embedded/2765?theme=dark&initialShowStats=false

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Identifier

2765, 1967-040A

Orbit

HEO

Country

Related business

United States Space Force (US)

Manufacturer

TRW

Mission

Defense Early Warn

Bus & Motor

VELA, BE-3

Mass

331 kg wet, 221 kg dry

Launch date (UTC)

1967-04-28 (58 years ago)

Launch vehicle

TITAN IIIC

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Poly, 0.7 m

Radar Cross Section

2.036 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   25197.87962517 -.00001350  00000-0  00000-0 0  9996
2 02765  38.9537  15.4074 4946527 279.1044 359.3388  0.21513482 12763

Epoch: 2025-07-16T21:06Z

TLE epoch observation values (Epoch: 2025-07-16T21:06:39.614Z)

Latitude

-38.64139°

Longitude

41.70984°

Altitude

52,137.092 km

Speed

3.2 km/s

True Right ascension

19h 33m 18s

True Declination

-38° 37' 15"

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

21:07:46

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

169,469.33 km

Perigee altitude

53,076.506 km

Semi-major axis

117,651.055 km

Eccentricity

0.49465

Inclination

38.9537°

RAAN

15.4074°

Arg. of periapsis

279.1044°

True anomaly

357.7502°

Mean anomaly

359.3388°

Eccentric anomaly

358.6917°

Mean motion

0.05378 °/min

Orbital period

6,693.5 mins

BSTAR

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

OPS 6679 (VELA 8), 2766

ERS 18, 2767

ERS 20 (OV5-3), 2768

ERS 27 (OV5-1), 2769

TITAN 3C TRANSTAGE R/B, 2770

VELA 7/8 INTERSTAGE, 60000

OPS 6638 (VELA 7) Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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.
686 mins	2025-08-31 14:48:38.759Z	85.817° E	2025-08-31 20:34:38.759Z	163.966° S	35.814°	2025-09-01 02:14:38.759Z	230.552° WSW

Co-orbital & Co-planar RSOs

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

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 ascending order

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

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: 2025-07-16T21:06:39.614Z)

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