Showing default

OPTUS A1 (AUSSAT 1), 15993

Orbit data source: Space-Track

OPTUS A1 (AUSSAT 1), 15993 is a payload satellite owned by Aussat (AU) in GEO that was launched on Tue, 27 Aug 1985 UTC via an SPACE SHUTTLE 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/15993?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/15993?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

15993, 1985-076B

Orbit

GEO

Last TLE update

1 day ago

Origin

Singapore Telecommunications Limited (Singtel) (AU / AUS)

Manufacturer

Hughes

Mission

Commercial Communications

Bus & Motor

HS-376, TE-M-700-17

Mass

~1,109 kg wet, ~433 kg dry

Launch date (UTC)

1985-08-27 (40 years ago)

Launch vehicle

SPACE SHUTTLE

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 2 Pan, 6.6 m

Radar Cross Section

15.895 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 1 day ago

0 OPTUS A1 (AUSSAT 1)
1 15993U 85076B   25196.06604314  .00000102  00000-0  00000-0 0  9993
2 15993  13.5803 341.2712 0001217  26.1875 345.7165  0.99761270116234

Epoch: 2025-07-15T01:35Z

TLE epoch observation values (Epoch: 2025-07-15T01:35:06.127Z)

Latitude

2.76871°

Longitude

35.89521°

Altitude

35,924.586 km

Speed

3.07 km/s

True Right ascension

23h 31m 20s

True Declination

2° 45' 57"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

8.28525°

Longitude

61.36408°

Altitude

35,924.061 km

Speed

3.07 km/s

Apparent Right ascension

01h 29m 30s

Apparent Declination

2° 31' 56"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

15:58:53

Azimuth

48.115° ENE

Elevation

-35.506°

Doppler factor

Orbital elements

Apogee altitude

35,936.451 km

Perigee altitude

35,926.153 km

Semi-major axis

42,309.439 km

Eccentricity

0.00012

Inclination

13.5803°

RAAN

341.2712°

Arg. of periapsis

26.1875°

True anomaly

Unknown

Mean anomaly

345.7165°

Eccentric anomaly

Unknown

Mean motion

0.24939 °/min

Orbital period

1,443.49 mins

BSTAR

Loading historical data...

15993 neighbors

Authenticating...

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

Other satellites on launch #76 in the year 1985 (1985-08-27 UTC)

STS 51I, 15992 (Decayed)

ASC 1, 15994

LEASAT 4, 15995

OPTUS A1 R/B(PAM-D), 15996

LEASAT 4 PKM, 16001

ASC 1 R/B(PAM-D), 16007

STS 51I DEB SCREWDRIVER, 16013 (Decayed)

OPTUS A1 (AUSSAT 1) Visibility

Observer location: undefined°, undefined°

OPTUS A1 (AUSSAT 1) is likely not visible in the next few days

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

Check out OPTUS A1 (AUSSAT 1), 15993 on other resources

View OPTUS A1 (AUSSAT 1), 15993 on NASA - NSSDCA Website

View OPTUS A1 (AUSSAT 1), 15993 on Heavens-Above

View OPTUS A1 (AUSSAT 1), 15993 on Keep Track

View OPTUS A1 (AUSSAT 1), 15993 on Celestrak

View OPTUS A1 (AUSSAT 1), 15993 on Gunter's Space Page

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