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ECHOSTAR 21, 42749

Orbit data source: Space-Track

ECHOSTAR 21, 42749 is a payload satellite owned by Echostar Mobile (US) in GEO that was launched on Thu, 08 Jun 2017 UTC via a PROTON-M/BRIZ-M launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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.

Not visible in the next 10 days
Identifier
42749, 2017-032A
Orbit
GEO
Last TLE update
7 hours ago
Origin
Manufacturer
SS/Loral (MDA)
Mission
Operational Commercial Communications
Bus & Motor
LS-1300, R-4D-11
Mass
6,871 kg wet, ~3,000 kg dry
Launch date (UTC)
2017-06-08 (8 years ago)
Launch vehicle
PROTON-M/BRIZ-M
Launch site
Tyuratam Missile And Space Complex (TTMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 2 Pan + 1 Dish, 32.4 m
Radar Cross Section
47.415 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 7 hours ago
0 ECHOSTAR 21
1 42749U 17032A   25191.92068425  .00000080  00000-0  00000-0 0  9991
2 42749   1.9672 334.8843 0002488 129.6272 166.2704  1.00272812 29670
Epoch: 2025-07-10T22:05Z
TLE epoch observation values (Epoch: 2025-07-10T22:05:47.119Z)
Latitude
-1.79333°
Longitude
10.2736°
Altitude
35,796.299 km
Speed
3.074 km/s
True Right ascension
18h 03m 11s
True Declination
-1° 47' 29"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
1.20713°
Longitude
112.45166°
Altitude
35,785.908 km
Speed
3.075 km/s
Apparent Right ascension
01h 14m 46s
Apparent Declination
-4° 05' 40"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
17:10:36
Azimuth
72.146° E
Elevation
-26.124°
Doppler factor
1
Orbital elements
Apogee altitude
35,797.866 km
Perigee altitude
35,776.885 km
Semi-major axis
42,165.513 km
Eccentricity
0.00025
Inclination
1.9672°
RAAN
334.8843°
Arg. of periapsis
129.6272°
True anomaly
Unknown
Mean anomaly
166.2704°
Eccentric anomaly
Unknown
Mean motion
0.25067 °/min
Orbital period
1,436.14 mins
BSTAR
0
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42749 neighbors
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Other satellites on launch #32 in the year 2017 (2017-06-08 UTC)

ECHOSTAR 21 Visibility

Observer location: undefined°, undefined°

ECHOSTAR 21 is likely not visible in the next few days
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