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ERS 9, 635

Orbit data source: Space-Track

ERS 9, 635 is a payload satellite owned by USAF SSD (US) 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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Identifier
635, 1963-030B
Orbit
LEO
Last TLE update
5 days ago
Origin
Flag of USUnited 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 5 days ago
0 ERS 9
1 00635U 63030B   25187.33266723  .00000000  00000-0 -10737-2 0  9992
2 00635  88.4124 234.1234 0046588  18.3200 341.9317  8.57948244940784
Epoch: 2025-07-06T07:59Z
TLE epoch observation values (Epoch: 2025-07-06T07:59:02.448Z)
Latitude
-0.00002°
Longitude
-170.19467°
Altitude
3,658.658 km
Speed
6.317 km/s
True Right ascension
15h 36m 29s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
32.22266°
Longitude
8.52687°
Altitude
3,737.576 km
Speed
6.27 km/s
Apparent Right ascension
05h 33m 43s
Apparent Declination
7° 43' 26"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
21:44:56
Azimuth
65.932° ENE
Elevation
-15.136°
Doppler factor
1
Orbital elements
Apogee altitude
3,745.877 km
Perigee altitude
3,651.983 km
Semi-major axis
10,077.067 km
Eccentricity
0.00466
Inclination
88.4124°
RAAN
234.1234°
Arg. of periapsis
18.32°
True anomaly
Unknown
Mean anomaly
341.9317°
Eccentric anomaly
Unknown
Mean motion
2.14557 °/min
Orbital period
167.79 mins
BSTAR
-0.0010737
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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 mins2025-07-11 11:55:14.078Z16.78° NNE2025-07-11 12:07:14.078Z58.741° ENE19.24°2025-07-11 12:20:14.078Z103.473° ESE
37 mins2025-07-11 14:41:14.078Z0.295° NNE2025-07-11 14:59:14.078Z80.536° E44.825°2025-07-11 15:18:14.078Z180.61° SSW
26 mins2025-07-11 17:31:14.078Z344.002° N2025-07-11 17:43:14.078Z300.509° NW24.601°2025-07-11 17:57:14.078Z250.975° W
30 mins2025-07-12 01:12:14.078Z125.146° SE2025-07-12 01:26:14.078Z69.839° E31.978°2025-07-12 01:42:14.078Z9.178° NNE
36 mins2025-07-12 03:55:14.078Z196.56° SSW2025-07-12 04:12:14.078Z273.818° WNW41.799°2025-07-12 04:31:14.078Z357.681° N
11 mins2025-07-12 07:02:14.078Z295.183° NW2025-07-12 07:07:14.078Z311.904° NW11.826°2025-07-12 07:13:14.078Z331.864° NNW

Check out ERS 9, 635 on other resources

View ERS 9, 635 on NASA - NSSDCA Website

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

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