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STTW-1, 16526

Orbit data source: Space-Track

STTW-1, 16526 is a payload satellite owned by MAI (CN) in GEO that was launched on Sat, 01 Feb 1986 UTC via a CHANG ZHENG 3 launch vehicle from the Xichang Space Center, China (XSC). 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

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Iframe URL

https://www.satcat.com/sats-embedded/16526?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

16526, 1986-010A

Orbit

GEO

Last TLE update

14 hours ago

Origin

China Aerospace Science and Technology Corporation (CASC) (CN / PRC)

Manufacturer

CAST

Mission

Non-operational Civil Communications

Bus & Motor

DFH-2, FG-15

Mass

920 kg wet, 395 kg dry

Launch date (UTC)

1986-02-01 (40 years ago)

Launch vehicle

CHANG ZHENG 3

Launch site

Xichang Space Center, China (XSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 1.1 m

Radar Cross Section

4.371 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 14 hours ago

0 STTW-1
1 16526U 86010A   25215.84843532 -.00000190  00000-0  00000-0 0  9998
2 16526  11.0879 325.6225 0002899 252.6359 125.1400  1.00330503152289

Epoch: 2025-08-03T20:21Z

TLE epoch observation values (Epoch: 2025-08-03T20:21:44.811Z)

Latitude

3.35917°

Longitude

84.99924°

Altitude

35,776.3 km

Speed

3.075 km/s

True Right ascension

22h 52m 24s

True Declination

3° 21' 21"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-8.71209°

Longitude

-61.05605°

Altitude

35,759.937 km

Speed

3.076 km/s

Apparent Right ascension

13h 03m 59s

Apparent Declination

-12° 39' 59"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

00:28:12

Azimuth

341.379° N

Elevation

-61.632°

Doppler factor

Orbital elements

Apogee altitude

35,783.374 km

Perigee altitude

35,758.936 km

Semi-major axis

42,149.292 km

Eccentricity

0.00029

Inclination

11.0879°

RAAN

325.6225°

Arg. of periapsis

252.6359°

True anomaly

125.16716°

Mean anomaly

125.14°

Eccentric anomaly

125.15358°

Mean motion

0.25082 °/min

Orbital period

1,435.31 mins

BSTAR

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Other satellites on launch #10 in the year 1986 (1986-02-01 UTC)

STTW-1 Visibility

Observer location: undefined°, undefined°

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

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16526 neighbors

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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 STTW-1, 16526 on other resources

View STTW-1, 16526 on NASA - NSSDCA Website

View STTW-1, 16526 on Heavens-Above

View STTW-1, 16526 on Keep Track

View STTW-1, 16526 on Celestrak

View STTW-1, 16526 on Gunter's Space Page

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