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

Orbit data source: Space-Track

OPTUS A1 R/B(PAM-D), 15996 is space debris in HEO originally from a launch on Tue, 27 Aug 1985 UTC launched from the Air Force Eastern Test Range (AFETR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.

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https://www.satcat.com/sats-embedded/15996?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

15996, 1985-076E

Orbit

HEO

Last TLE update

19 hours ago

Origin

Singapore Telecommunications Limited (Singtel) (US)

Manufacturer

Thiokol/TE

Mission

Spacecraft

Bus & Motor

STAR 48, Unknown motor

Mass

132 kg wet, 132 kg dry

Launch date (UTC)

1985-08-27 (40 years ago)

Launch vehicle

Unknown

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Sphere + Cone, 2.3 m

Radar Cross Section

2.972 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 19 hours ago

0 OPTUS A1 R/B(PAM-D)
1 15996U 85076E   25196.67316269  .00000157  00000-0  64085-3 0  9998
2 15996  26.3957 321.3469 7139103 107.8517 336.5041  2.38631441286892

Epoch: 2025-07-15T16:09Z

TLE epoch observation values (Epoch: 2025-07-15T16:09:21.256Z)

Latitude

0.00001°

Longitude

145.23171°

Altitude

8,475.363 km

Speed

6.068 km/s

True Right ascension

21h 25m 20s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-11.50647°

Longitude

120.75581°

Altitude

17,056.09 km

Speed

4.143 km/s

Apparent Right ascension

18h 59m 11s

Apparent Declination

-22° 08' 38"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

00:12:40

Azimuth

245.737° WSW

Elevation

-5.661°

Doppler factor

Orbital elements

Apogee altitude

34,170.395 km

Perigee altitude

390.314 km

Semi-major axis

23,658.491 km

Eccentricity

0.71391

Inclination

26.3957°

RAAN

321.3469°

Arg. of periapsis

107.8517°

True anomaly

Unknown

Mean anomaly

336.5041°

Eccentric anomaly

Unknown

Mean motion

0.59643 °/min

Orbital period

603.59 mins

BSTAR

0.00064085

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

STS 51I, 15992 (Decayed)

OPTUS A1 (AUSSAT 1), 15993

ASC 1, 15994

LEASAT 4, 15995

LEASAT 4 PKM, 16001

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

STS 51I DEB SCREWDRIVER, 16013 (Decayed)

OPTUS A1 R/B(PAM-D) Visibility forecast

Observer location: undefined°, undefined°

Span	Click to sort rows by Start time (UTC) header in descending order	Start Az.	Max El. time (UTC)	Max El. Az.	Max El.	End time (UTC)	End Az.
19 mins	2025-07-16 12:29:53.603Z	238.184° WSW	2025-07-16 12:44:53.603Z	193.414° SSW	23.477°	2025-07-16 12:48:53.603Z	141.845° SSE
531 mins	2025-07-16 23:53:53.603Z	181.36° SSW	2025-07-17 08:23:53.603Z	170.317° S	25.137°	2025-07-17 08:44:53.603Z	120.202° SE

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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Check out OPTUS A1 R/B(PAM-D), 15996 on other resources

View OPTUS A1 R/B(PAM-D), 15996 on Heavens-Above

View OPTUS A1 R/B(PAM-D), 15996 on Keep Track

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

View OPTUS A1 R/B(PAM-D), 15996 on Gunter's Space Page

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