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OV1-9, 2610

Orbit data source: Space-Track

OV1-9, 2610 is a payload satellite owned by USAF OAR (US) in LEO that was launched on Sun, 11 Dec 1966 UTC via an ATLAS D 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/2610?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/2610?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

2610, 1966-111A

Orbit

LEO

Country

Related business

US Air Force Office of Aerospace Research (US)

Manufacturer

GD/Convair

Mission

Spacecraft

Bus & Motor

OV1, Unknown motor

Mass

106 kg wet, 106 kg dry

Launch date (UTC)

1966-12-11 (59 years ago)

Launch vehicle

ATLAS D

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 8 hours ago

TLE from 8 hours ago

0 OV1-9
1  2610U 66111A   26139.40095120  .00000233  00000-0  96161-4 0  9991
2  2610  99.0947 320.1123 2271427  61.3006 319.7348 10.39885609230045

Epoch: 2026-05-19T09:37Z

TLE epoch observation values (Epoch: 2026-05-19T09:37:22.183Z)

Latitude

-0.00013°

Longitude

-61.3055°

Altitude

1,203.296 km

Speed

7.761 km/s

True Right ascension

21h 20m 26s

True Declination

0° 00' 00"

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

02:12:20

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

4,499.093 km

Perigee altitude

472.367 km

Semi-major axis

8,863.867 km

Eccentricity

0.22714

Inclination

99.0947°

RAAN

320.1123°

Arg. of periapsis

61.3006°

True anomaly

298.81116°

Mean anomaly

319.7348°

Eccentric anomaly

309.72525°

Mean motion

2.60081 °/min

Orbital period

138.42 mins

BSTAR

0.000096161

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Other satellites on launch #111 in the year 1966 (1966-12-11 UTC)

OV1-9 R/B, 2622

OV1-10 R/B, 2621

OV1-10, 2611 (Decayed)

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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OV1-9 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.
20 mins	2026-05-19 23:59:14.671Z	32.667° NE	2026-05-20 00:06:14.671Z	110.142° ESE	35.986°	2026-05-20 00:19:14.671Z	174.377° S
14 mins	2026-05-20 02:18:14.671Z	335.15° NNW	2026-05-20 02:22:14.671Z	287.87° WNW	28.94°	2026-05-20 02:32:14.671Z	232.43° WSW
4 mins	2026-05-20 11:10:14.671Z	111.414° ESE	2026-05-20 11:12:14.671Z	67.81° E	21.134°	2026-05-20 11:14:14.671Z	23.756° NE

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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 OV1-9, 2610 on other resources

View OV1-9, 2610 on NASA - NSSDCA Website

View OV1-9, 2610 on Heavens-Above

View OV1-9, 2610 on Keep Track

View OV1-9, 2610 on Celestrak

View OV1-9, 2610 on Gunter's Space Page

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

OV1-9, 2610

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-05-19T09:37:22.183Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #111 in the year 1966 (1966-12-11 UTC)

OV1-9 Visibility forecast

Co-orbital & Co-planar RSOs

Check out OV1-9, 2610 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago