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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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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 (60 years ago)

Launch vehicle

ATLAS D

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

DOMED CYL, 0.7 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 18 hours ago

TLE from 18 hours ago

0 OV1-9
1 02610U 66111A   26206.34779006  .00000221  00000-0  99952-4 0  9999
2 02610  99.1010 357.0843 2271472 318.8573  26.1273 10.39921203237004

Epoch: 2026-07-25T08:20Z

TLE epoch observation values (Epoch: 2026-07-25T08:20:49.061Z)

Latitude

0.00002°

Longitude

-71.18149°

Altitude

806.55 km

Speed

8.127 km/s

True Right ascension

23h 48m 20s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

15:20:05

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

4,498.884 km

Perigee altitude

472.171 km

Semi-major axis

8,863.665 km

Eccentricity

0.22715

Inclination

99.101°

RAAN

357.0843°

Arg. of periapsis

318.8573°

True anomaly

41.25671°

Mean anomaly

26.1273°

Eccentric anomaly

33.26618°

Mean motion

2.6009 °/min

Orbital period

138.41 mins

BSTAR

0.000099952

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

OV1-10, 2611 (Decayed)

OV1-9 R/B, 2622

OV1-10 R/B, 2621

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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.
18 mins	2026-07-26 03:22:24.704Z	0.653° NNE	2026-07-26 03:30:24.704Z	336.526° NNW	14.695°	2026-07-26 03:40:24.704Z	310.432° NW
16 mins	2026-07-26 07:38:24.704Z	74.54° E	2026-07-26 07:44:24.704Z	36.261° NE	21.269°	2026-07-26 07:54:24.704Z	357.144° N
21 mins	2026-07-26 09:50:24.704Z	158.746° S	2026-07-26 09:56:24.704Z	80.594° E	44.822°	2026-07-26 10:11:24.704Z	347.539° N
11 mins	2026-07-26 12:12:24.704Z	262.873° W	2026-07-26 12:16:24.704Z	291.268° WNW	16.659°	2026-07-26 12:23:24.704Z	324.783° NNW
30 mins	2026-07-26 19:44:24.704Z	35.491° NE	2026-07-26 19:59:24.704Z	76.444° E	20.362°	2026-07-26 20:14:24.704Z	118.708° SE
44 mins	2026-07-26 21:56:24.704Z	17.266° NNE	2026-07-26 22:18:24.704Z	97.923° ESE	43.07°	2026-07-26 22:40:24.704Z	182.697° SSW
41 mins	2026-07-27 00:12:24.704Z	7.383° NNE	2026-07-27 00:31:24.704Z	304.184° NW	38.959°	2026-07-27 00:53:24.704Z	233.836° WSW

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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: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2026-07-25T08:20:49.061Z)

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: 18 hours ago