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DOY 173 | 2024-06-21T05:19:51Z
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ERS 9, 635

Orbit data source: Space-Track

ERS 9, 635 is a payload satellite owned by USAF SSD (US) that was launched on Fri, 19 Jul 1963 UTC via an Atlas Agena B launch vehicle from the Air Force Western Test Range (AFWTR). Payloads include a variety of satellites, spacecraft, and rockets 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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ERS 9 details
NORAD ID635
COSPAR ID
1963-030B
Orbit
Active
Last TLE update2 days ago
Origin
Flag of USUSAF SSD (US)
ManufacturerTRW
BusTRS
MotorUnknown
Mass1 kg wet, 1 kg dry
Launch date (UTC)
1963-07-19 (61 years ago)
Launch vehicle
Atlas Agena B
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Radar Cross SectionSmall (<0.1 m²)
Predictive object data (real-time)
Latitude-30.97565°
Longitude172.29313°
Altitude3,694.426 km
Speed6.297 km/s
Apparent Right ascension17h 46m 20s
Apparent Declination-67° 06' 37"
Sunlit
Object is in full shadow
Predictive observer data (real-time)
Local Sidereal Time16:18:59
Azimuth171.234° S
Elevation-18.314°
Doppler factor1
Orbital elements
Apogee3,750.39 km
Perigee3,647.551 km
Semi-major axis10,077.108 km
Eccentricity0.0051026
Inclination88.3924°
RAAN255.4707°
Arg. of periapsis40.958°
True anomaly319.12718°
Mean anomaly319.5087°
Mean motion2.14555 °/min
BSTAR-0.0032282
Period167.79 mins
Definitive object data (Epoch: 2024-06-19T11:35:43.018Z)
Latitude-0.00002°
Longitude173.35257°
Altitude3,664.318 km
Speed6.313 km/s
True Right ascension17h 01m 52s
True Declination0° 00' 00"
Sunlit
Object was in full shadow at TLE epoch
TLE from 2 days ago
0 ERS 9
1 00635U 63030B   24171.48313679 -.00000004  00000-0 -32282-2 0  9997
2 00635  88.3924 255.4707 0051026  40.9580 319.5087  8.57943020908031
Epoch: 2024-06-19T11:35Z
No data available

ERS 9 Visibility forecast

Observer location: 39.9160978°, -105.1181434, 0m alt.

ERS 9 is not visible in the next 10 days
Span
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Start Az.
Max El. time (UTC)
Max El. Az.
Max El.
End time (UTC)
End Az.