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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

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/42749?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/42749?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

42749, 2017-032A

Orbit

GEO

Last TLE update

9 hours ago

Origin

Echostar Corp (US)

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 9 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

1.79849°

Longitude

140.06727°

Altitude

35,780.917 km

Speed

3.075 km/s

Apparent Right ascension

03h 05m 14s

Apparent Declination

-3° 32' 19"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

19:01:02

Azimuth

71.687° E

Elevation

-25.751°

Doppler factor

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

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42749 neighbors

Authenticating...

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Other satellites on launch #32 in the year 2017 (2017-06-08 UTC)

BREEZE-M R/B, 42750

BREEZE-M DEB (TANK), 42751

ECHOSTAR 21 Visibility

Observer location: undefined°, undefined°

ECHOSTAR 21 is likely not visible in the next few days

Authenticating...

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Check out ECHOSTAR 21, 42749 on other resources

View ECHOSTAR 21, 42749 on NASA - NSSDCA Website

View ECHOSTAR 21, 42749 on Heavens-Above

View ECHOSTAR 21, 42749 on Keep Track

View ECHOSTAR 21, 42749 on Celestrak

View ECHOSTAR 21, 42749 on Gunter's Space Page

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