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ERS 6, 608

Orbit data source: Space-Track

ERS 6, 608 is a payload satellite owned by USAF SSD (US) in LEO that was launched on Thu, 09 May 1963 UTC via an ATLAS AGENA B 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/608?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/608?theme=dark&initialShowStats=false

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Identifier

608, 1963-014C

Orbit

LEO

Country

Related business

United States Space Force (US)

Manufacturer

TRW

Mission

Spacecraft

Bus & Motor

TRS, Unknown motor

Mass

1 kg wet, 1 kg dry

Launch date (UTC)

1963-05-09 (63 years ago)

Launch vehicle

ATLAS AGENA B

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

TETRAHEDRON, 0.1 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 ERS 6
1 00608U 63014C   26235.27732705  .00000028  00000-0  11603-1 0  9991
2 00608  87.3593 187.0532 0014188 287.4700  72.4604  8.65282521999309

Epoch: 2026-08-23T06:39Z

TLE epoch observation values (Epoch: 2026-08-23T06:39:21.057Z)

Latitude

0.00005°

Longitude

115.63977°

Altitude

3,641.986 km

Speed

6.309 km/s

True Right ascension

12h 28m 12s

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

15:53:01

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

3,656.106 km

Perigee altitude

3,627.673 km

Semi-major axis

10,020.027 km

Eccentricity

0.00142

Inclination

87.3593°

RAAN

187.0532°

Arg. of periapsis

287.47°

True anomaly

72.61551°

Mean anomaly

72.4604°

Eccentric anomaly

72.53795°

Mean motion

2.16391 °/min

Orbital period

166.37 mins

BSTAR

0.011603

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Other satellites on launch #14 in the year 1963 (1963-05-09 UTC)

WESTFORD NEEDLES, 21748 (Decayed)

WESTFORD NEEDLES, 19003 (Decayed)

WESTFORD NEEDLES, 19299

WESTFORD NEEDLES, 2530

WESTFORD NEEDLES *, 5994 (Decayed)

WESTFORD NEEDLES, 19059

WESTFORD NEEDLES, 3246 (Decayed)

WESTFORD NEEDLES, 19828 (Decayed)

WESTFORD NEEDLES, 5993 (Decayed)

WESTFORD NEEDLES, 43288

WESTFORD NEEDLES, 19029 (Decayed)

WESTFORD NEEDLES, 19880 (Decayed)

WESTFORD NEEDLES, 18999 (Decayed)

WESTFORD NEEDLES, 3245 (Decayed)

WESTFORD NEEDLES, 20018 (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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ERS 6 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.
22 mins	2026-08-24 05:39:13.405Z	15.127° NNE	2026-08-24 05:50:13.405Z	52.895° ENE	16.814°	2026-08-24 06:01:13.405Z	91° ESE
36 mins	2026-08-24 08:25:13.405Z	0.668° NNE	2026-08-24 08:42:13.405Z	82.535° E	44.159°	2026-08-24 09:01:13.405Z	173.65° S
27 mins	2026-08-24 11:13:13.405Z	343.67° N	2026-08-24 11:26:13.405Z	294.448° NW	27.15°	2026-08-24 11:40:13.405Z	243.044° WSW
27 mins	2026-08-24 18:52:13.405Z	112.727° SE	2026-08-24 19:05:13.405Z	62.763° ENE	26.7°	2026-08-24 19:19:13.405Z	12.965° NNE
36 mins	2026-08-24 21:31:13.405Z	186.327° SSW	2026-08-24 21:48:13.405Z	266.466° W	44.286°	2026-08-24 22:07:13.405Z	0.644° NNE
14 mins	2026-08-25 00:30:13.405Z	270.366° WNW	2026-08-25 00:40:13.405Z	305.531° NW	17.179°	2026-08-25 00:44:13.405Z	320.439° NNW

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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 ERS 6, 608 on other resources

View ERS 6, 608 on NASA - NSSDCA Website

View ERS 6, 608 on Heavens-Above

View ERS 6, 608 on Keep Track

View ERS 6, 608 on Celestrak

View ERS 6, 608 on Gunter's Space Page

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

ERS 6, 608

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: 2026-08-23T06:39:21.057Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #14 in the year 1963 (1963-05-09 UTC)

ERS 6 Visibility forecast

Co-orbital & Co-planar RSOs

Check out ERS 6, 608 on other resources

Documentation

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