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BULGARIASAT-1, 42801

Orbit data source: Space-Track

BULGARIASAT-1, 42801 is a payload satellite owned by Bulgaria Sat (BG) in GEO that was launched on Fri, 23 Jun 2017 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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/42801?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/42801?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

42801, 2017-038A

Orbit

GEO

Last TLE update

10 hours ago

Origin

Bulsatcom (BG / BGR)

Manufacturer

SS/Loral (MDA)

Mission

Operational Commercial Communications

Bus & Motor

SSL-1300, R-4D-15-300

Mass

~4,000 kg wet, ~3,000 kg dry

Launch date (UTC)

2017-06-23 (8 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 31 m

Radar Cross Section

40.765 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 BULGARIASAT-1
1 42801U 17038A   25182.85311910  .00000015  00000-0  00000+0 0  9995
2 42801   0.0429  84.8601 0003022  25.7141 118.5880  1.00268245 29398

Epoch: 2025-07-01T20:28Z

TLE epoch observation values (Epoch: 2025-07-01T20:28:29.49Z)

Latitude

0.01656°

Longitude

1.9387°

Altitude

35,793.219 km

Speed

3.074 km/s

True Right ascension

15h 16m 49s

True Declination

0° 00' 60"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-0.04059°

Longitude

148.67015°

Altitude

35,788.071 km

Speed

3.075 km/s

Apparent Right ascension

01h 28m 16s

Apparent Declination

-5° 20' 34"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

17:55:48

Azimuth

78.913° E

Elevation

-21.075°

Doppler factor

Orbital elements

Apogee altitude

35,801.401 km

Perigee altitude

35,775.915 km

Semi-major axis

42,166.795 km

Eccentricity

0.0003

Inclination

0.0429°

RAAN

84.8601°

Arg. of periapsis

25.7141°

True anomaly

Unknown

Mean anomaly

118.588°

Eccentric anomaly

Unknown

Mean motion

0.25066 °/min

Orbital period

1,436.2 mins

BSTAR

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42801 neighbors

Authenticating...

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Other satellites on launch #38 in the year 2017 (2017-06-23 UTC)

FALCON 9 R/B, 42802 (Decayed)

BULGARIASAT-1 Visibility

Observer location: undefined°, undefined°

BULGARIASAT-1 is likely not visible in the next few days

Authenticating...

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Check out BULGARIASAT-1, 42801 on other resources

View BULGARIASAT-1, 42801 on NASA - NSSDCA Website

View BULGARIASAT-1, 42801 on Heavens-Above

View BULGARIASAT-1, 42801 on Keep Track

View BULGARIASAT-1, 42801 on Celestrak

View BULGARIASAT-1, 42801 on Gunter's Space Page

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