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EGS (AJISAI), 16908

Orbit data source: Space-Track

EGS (AJISAI), 16908 is a payload satellite owned by NASDA (JP) in LEO that was launched on Tue, 12 Aug 1986 UTC via an H-1 launch vehicle from the Tanegashima Space Center (TNSTA). 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.

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https://www.satcat.com/sats-embedded/16908?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

16908, 1986-061A

Orbit

LEO

Country

JP / JPN

Related business

JAXA (Japan Aerospace Exploration Agency) (JP)

Manufacturer

Kawasaki

Mission

Operational Civil Geodetic

Bus & Motor

EGP, Unknown motor

Mass

685 kg wet, 685 kg dry

Launch date (UTC)

1986-08-12 (39 years ago)

Launch vehicle

H-1

Launch site

Tanegashima Space Center (TNSTA)

Object type

Payload

Rocket body

Debris

Shape & HBR

Sphere, 1.1 m

Radar Cross Section

3.631 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 14 hours ago

TLE from 14 hours ago

0 EGS (AJISAI)
1 16908U 86061A   25347.01092103 -.00000086  00000-0  77907-4 0  9991
2 16908  50.0113 359.8833 0011293  66.5740 123.6113 12.44514291457207

Epoch: 2025-12-13T00:15Z

TLE epoch observation values (Epoch: 2025-12-13T00:15:43.576Z)

Latitude

-7.97272°

Longitude

100.72056°

Altitude

1,494.321 km

Speed

7.115 km/s

True Right ascension

12h 26m 23s

True Declination

-7° 55' 48"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

12:31:52

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,497.082 km

Perigee altitude

1,479.315 km

Semi-major axis

7,866.335 km

Eccentricity

0.00113

Inclination

50.0113°

RAAN

359.8833°

Arg. of periapsis

66.574°

True anomaly

123.71899°

Mean anomaly

123.6113°

Eccentric anomaly

123.66515°

Mean motion

3.11089 °/min

Orbital period

115.72 mins

BSTAR

0.000077907

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Other satellites on launch #61 in the year 1986 (1986-08-12 UTC)

JAS 1 (FUJI 1), 16909

H-1 R/B(MABES), 16910

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EGS (AJISAI) Visibility forecast

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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.
15 mins	2025-12-14 02:19:18.739Z	190.184° SSW	2025-12-14 02:27:18.739Z	127.181° SE	30°	2025-12-14 02:34:18.739Z	70.18° E
16 mins	2025-12-14 04:21:18.739Z	241.28° WSW	2025-12-14 04:28:18.739Z	317.916° NNW	44.606°	2025-12-14 04:37:18.739Z	55.878° ENE
15 mins	2025-12-14 06:24:18.739Z	284.547° WNW	2025-12-14 06:31:18.739Z	352.608° N	35.807°	2025-12-14 06:39:18.739Z	62.295° ENE
16 mins	2025-12-14 08:27:18.739Z	304.835° NW	2025-12-14 08:34:18.739Z	9.414° NNE	38.349°	2025-12-14 08:43:18.739Z	92.655° ESE
16 mins	2025-12-14 10:29:18.739Z	301.37° NW	2025-12-14 10:37:18.739Z	201.202° SSW	43.919°	2025-12-14 10:45:18.739Z	136.792° SSE
10 mins	2025-12-14 12:33:18.739Z	270.959° WNW	2025-12-14 12:37:18.739Z	239.942° WSW	19.916°	2025-12-14 12:43:18.739Z	195.29° SSW

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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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out EGS (AJISAI), 16908 on other resources

View EGS (AJISAI), 16908 on NASA - NSSDCA Website

View EGS (AJISAI), 16908 on Heavens-Above

View EGS (AJISAI), 16908 on Keep Track

View EGS (AJISAI), 16908 on Celestrak

View EGS (AJISAI), 16908 on Gunter's Space Page

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

EGS (AJISAI), 16908

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2025-12-13T00:15:43.576Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #61 in the year 1986 (1986-08-12 UTC)

EGS (AJISAI) Visibility forecast

Co-orbital & Co-planar RSOs

Check out EGS (AJISAI), 16908 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 14 hours ago