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SDS-4

NORAD 38339· COSPAR 2012-025C· Active satellite· Other / Unclassified· SSO
Launch
Launched on May 17, 2012 from Yoshinobu Launch Complex LP-1, Japan aboard a H-IIA 202.
H-IIA 202 | GCOM-W1
Live · TLE epoch 2026-09-08 13:43 UTC
Orbit class
SSO — Sun-Synchronous (LEO at 96–102° inclination)
Operator
JAXA
Country
Japan
Manufacturer
Launched
May 17, 2012
Mass
Apogee
652 km
Perigee
641 km
Inclination
98.14°
Period
1.63 h

Altitude history

Apogee and perigee for SDS-4 across 14 days of archived orbital elements (15 element sets, one per day).

Trend
Stable
Change
-0.1 km
Rate
-0.00 km/day
Now
641 × 652 km
646652641Aug 26Sep 9
Apogee Perigee

Derived from our own archive of CelesTrak orbital elements, sampled every 3 hours. Short windows show drag and station-keeping; they are not a reentry prediction.

Launched with

3 other catalogued objects still in orbit from launch 2012-025 (H-IIA 202 | GCOM-W1).

Sources & further reading

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