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ERS 9, 635

Orbit data source: Space-Track

ERS 9, 635 is a payload satellite in LEO that was launched on Fri, 19 Jul 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/635?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/635?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

635, 1963-030B

Orbit

LEO

Last TLE update

1 day ago

Origin

United States Space Force (US)

Manufacturer

TRW

Mission

Defense Technology

Bus & Motor

TRS, Unknown motor

Mass

1 kg wet, 1 kg dry

Launch date (UTC)

1963-07-19 (62 years ago)

Launch vehicle

ATLAS AGENA B

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Trap Box, 0.2 m

Radar Cross Section

0.032 m², Small (<0.1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 ERS 9
1 00635U 63030B   25142.44370913 -.00000015  00000-0 -90144-2 0  9999
2 00635  88.4161 236.6068 0048716  64.6021 295.9861  8.57947036936939

Epoch: 2025-05-22T10:38Z

TLE epoch observation values (Epoch: 2025-05-22T10:38:56.468Z)

Latitude

-0.00007°

Longitude

-163.44167°

Altitude

3,681.97 km

Speed

6.302 km/s

True Right ascension

15h 46m 25s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-3.48778°

Longitude

-163.6154°

Altitude

3,684.108 km

Speed

6.301 km/s

Apparent Right ascension

16h 15m 54s

Apparent Declination

-17° 41' 24"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

05:18:22

Azimuth

35.794° NE

Elevation

-63.991°

Doppler factor

Orbital elements

Apogee altitude

3,748.031 km

Perigee altitude

3,649.848 km

Semi-major axis

10,077.076 km

Eccentricity

0.00487

Inclination

88.4161°

RAAN

236.6068°

Arg. of periapsis

64.6021°

True anomaly

Unknown

Mean anomaly

295.9861°

Eccentric anomaly

Unknown

Mean motion

2.14556 °/min

Orbital period

167.79 mins

BSTAR

-0.0090144

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Other satellites on launch #30 in the year 1963 (1963-07-19 UTC)

MIDAS 7/ERS 10, 622

ATLAS AGENA B DEB, 630

DASH 2, 624 (Decayed)

ATLAS AGENA B DEB, 631

ATLAS AGENA B DEB, 3121

ATLAS AGENA B DEB, 3132

DASH 2 DEB *, 20153

ERS 9 Visibility forecast

Observer location: undefined°, undefined°

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.
25 mins	2025-05-23 21:02:05.259Z	344.695° N	2025-05-23 21:14:05.259Z	302.068° NW	22.949°	2025-05-23 21:27:05.259Z	255.786° W
31 mins	2025-05-24 04:43:05.259Z	128.842° SE	2025-05-24 04:58:05.259Z	67.349° ENE	33.423°	2025-05-24 05:14:05.259Z	7.99° NNE
35 mins	2025-05-24 07:27:05.259Z	200.201° SSW	2025-05-24 07:44:05.259Z	278.584° WNW	40.794°	2025-05-24 08:02:05.259Z	356.489° N
4 mins	2025-05-24 10:38:05.259Z	309.949° NW	2025-05-24 10:40:05.259Z	316.584° NNW	10.488°	2025-05-24 10:42:05.259Z	323.198° NNW
34 mins	2025-05-24 16:36:05.259Z	7.301° NNE	2025-05-24 16:53:05.259Z	77.481° E	35.149°	2025-05-24 17:10:05.259Z	145.498° SSE
34 mins	2025-05-24 19:24:05.259Z	353.523° N	2025-05-24 19:41:05.259Z	281.081° WNW	39.469°	2025-05-24 19:58:05.259Z	213.425° SW

Authenticating...

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Check out ERS 9, 635 on other resources

View ERS 9, 635 on NASA - NSSDCA Website

View ERS 9, 635 on Heavens-Above

View ERS 9, 635 on Keep Track

View ERS 9, 635 on Celestrak

View ERS 9, 635 on Gunter's Space Page

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