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GCOM W1, 38337

Orbit data source: Space-Track

GCOM W1, 38337 is a payload satellite owned by JAXA (JP) in SSO that was launched on Thu, 17 May 2012 UTC via an H-IIA 202 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/38337?theme=dark&initialShowStats=false

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Identifier

38337, 2012-025A

Orbit

SSO

Country

JP / JPN

Related business

JAXA (Japan Aerospace Exploration Agency) (JP)

Manufacturer

NECTF?

Mission

Operational Civil Science

Bus & Motor

GCOM, AOCS

Mass

1,991 kg wet, 1,841 kg dry

Launch date (UTC)

2012-05-17 (13 years ago)

Launch vehicle

H-IIA 202

Launch site

Tanegashima Space Center (TNSTA)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan + 1 Dish, 8.8 m

Radar Cross Section

35.969 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 12 hours ago

TLE from 12 hours ago

0 GCOM W1
1 38337U 12025A   25297.83907229  .00001061  00000-0  24563-3 0  9990
2 38337  98.2134 236.7034 0001721  86.8393 332.8775 14.57085438714761

Epoch: 2025-10-24T20:08Z

TLE epoch observation values (Epoch: 2025-10-24T20:08:15.845Z)

Latitude

58.81565°

Longitude

-112.56229°

Altitude

711.46 km

Speed

7.506 km/s

True Right ascension

14h 51m 55s

True Declination

58° 39' 43"

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

03:33:53

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

700.904 km

Perigee altitude

698.468 km

Semi-major axis

7,077.823 km

Eccentricity

0.00017

Inclination

98.2134°

RAAN

236.7034°

Arg. of periapsis

86.8393°

True anomaly

332.86851°

Mean anomaly

332.8775°

Eccentric anomaly

332.873°

Mean motion

3.64497 °/min

Orbital period

98.77 mins

BSTAR

0.00024563

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Other satellites on launch #25 in the year 2012 (2012-05-17 UTC)

H-2A DEB, 54740 (Decayed)

H-2A DEB, 54726 (Decayed)

H-2A DEB, 54728 (Decayed)

H-2A DEB, 54737 (Decayed)

H-2A DEB, 39007 (Decayed)

H-2A DEB, 54735 (Decayed)

H-2A DEB, 54713 (Decayed)

HORYU 2, 38340

H-2A DEB, 54739 (Decayed)

H-2A DEB, 54733 (Decayed)

H-2A DEB, 39006 (Decayed)

H-2A DEB, 39002 (Decayed)

H-2A DEB, 43398 (Decayed)

H-2A DEB, 39003 (Decayed)

H-2A DEB, 39004 (Decayed)

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GCOM W1 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.
8 mins	2025-10-25 09:36:27.384Z	354.657° N	2025-10-25 09:40:27.384Z	296.467° NW	29.903°	2025-10-25 09:44:27.384Z	227.94° WSW
5 mins	2025-10-25 19:06:27.384Z	100° ESE	2025-10-25 19:08:27.384Z	64.171° ENE	22.145°	2025-10-25 19:11:27.384Z	19.253° NNE
6 mins	2025-10-25 20:43:27.384Z	212.864° SW	2025-10-25 20:45:27.384Z	251.454° W	28.955°	2025-10-25 20:49:27.384Z	323.584° NNW

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 GCOM W1, 38337 on other resources

View GCOM W1, 38337 on NASA - NSSDCA Website

View GCOM W1, 38337 on Heavens-Above

View GCOM W1, 38337 on Keep Track

View GCOM W1, 38337 on Celestrak

View GCOM W1, 38337 on Gunter's Space Page

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

GCOM W1, 38337

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2025-10-24T20:08:15.845Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #25 in the year 2012 (2012-05-17 UTC)

GCOM W1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out GCOM W1, 38337 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago