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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 (14 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: 17 hours ago

TLE from 17 hours ago

0 GCOM W1
1 38337U 12025A   26079.60797031  .00000552  00000-0  13253-3 0  9990
2 38337  98.2069  21.5060 0001337  72.1235 100.7232 14.57113525736137

Epoch: 2026-03-20T14:35Z

TLE epoch observation values (Epoch: 2026-03-20T14:35:28.634Z)

Latitude

6.99023°

Longitude

165.5039°

Altitude

705.031 km

Speed

7.504 km/s

True Right ascension

13h 30m 03s

True Declination

6° 56' 55"

Sunlit

Object was in full shadow 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

12:26:36

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

700.541 km

Perigee altitude

698.649 km

Semi-major axis

7,077.732 km

Eccentricity

0.00013

Inclination

98.2069°

RAAN

21.506°

Arg. of periapsis

72.1235°

True anomaly

100.73825°

Mean anomaly

100.7232°

Eccentric anomaly

100.73073°

Mean motion

3.64504 °/min

Orbital period

98.76 mins

BSTAR

0.00013253

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

H-2A DEB, 54712 (Decayed)

H-2A DEB, 38347

HORYU 2, 38340

H-2A DEB, 39006 (Decayed)

H-2A DEB, 54723 (Decayed)

H-2A DEB, 54728 (Decayed)

H-2A DEB, 54737 (Decayed)

H-2A DEB, 54717 (Decayed)

H-2A DEB, 54725 (Decayed)

H-2A DEB, 54740 (Decayed)

H-2A DEB, 54719 (Decayed)

H-2A DEB, 54736 (Decayed)

H-2A DEB, 54731 (Decayed)

H-2A DEB, 43398 (Decayed)

SDS-4, 38339

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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	2026-03-21 08:30:44.236Z	29.712° NE	2026-03-21 08:34:44.236Z	114.865° SE	35.468°	2026-03-21 08:38:44.236Z	172.653° S
5 mins	2026-03-21 10:09:44.236Z	324.997° NNW	2026-03-21 10:11:44.236Z	294.921° NW	17.5°	2026-03-21 10:14:44.236Z	254.072° W
7 mins	2026-03-21 19:36:44.236Z	134.814° SE	2026-03-21 19:39:44.236Z	58.124° ENE	35.952°	2026-03-21 19:43:44.236Z	359.782° N
4 mins	2026-03-21 21:15:44.236Z	243.325° WSW	2026-03-21 21:17:44.236Z	273.287° WNW	16.082°	2026-03-21 21:19:44.236Z	300.793° NW

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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 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: 17 hours ago

TLE from 17 hours ago

TLE epoch observation values (Epoch: 2026-03-20T14:35:28.634Z)

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: 17 hours ago