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Satellite · NORAD 64340 · COSPAR 2025-125A

QPS-SAR-11 (YAMATSUMI-I)

ActivePayloadLEOUnknown derived
  • Operator Japan
  • Constellation
  • Country Japan

Altitude now

555.9km

SGP4 propagation

Velocity

7.59km/s

Inclination

42.01°

Period

95.9 min

95.9 min

Perigee

552km

Apogee

567km

orbit agingOrbit updated 3 h ago · element epoch 13 Sept 2026 20:03 UTC (12.6 h old)· Metadata updated 3 h ago

Live position

Ground track & current position

Propagated client-side every 5 s from the latest element set (SGP4). Accuracy degrades with element age.

Ground track of QPS-SAR-11 (YAMATSUMI-I)QPS-SAR-11 (YAMATSUMI-I)
LIVE · SGP4

Loading ground track…

Latitude
17.350° S
Longitude
84.212° W
Altitude
555.9 km
Velocity
7.589 km/s
  • past 45 min
  • next 90 min
  • first fix from server render · element epoch 13 Sept 2026 20:03 UTC

Mission

Mission & classification

Mission type derived
Unknown
Object type
Payload
SATCAT ops status
Operational [+]
Radar cross-section

CelesTrak groups

Aliases

  • QPS-SAR-11 (YAMATSUMI-I)Celestrak

Ownership

Operator & country

Operator
SATCAT owner code
JPN · Japan
Country
Japan JP

Launch

Launch

Launch page
Launch date
11 Jun 2025
COSPAR launch id
2025-125

Objects from the same launch · 3

Change log

History

FieldChangeSourceDate
Country CodeJPCelestrak Satcat11 Sept 2026 18:53 UTC
Owner CodeJPNCelestrak Satcat11 Sept 2026 18:53 UTC
Orbit ClassLEOCelestrak11 Sept 2026 18:53 UTC

Regulatory

UN registration

UN Register of Objects Launched into Outer Space (UNOOSA) — connector planned, not yet ingested; registration unavailable

Transparency

Sources & provenance

All sources
  • CelesTrakcommunity

    Orbital data courtesy of CelesTrak (Dr. T.S. Kelso).

    last sync 39 min ago

  • CelesTrak SATCATcommunity

    Satellite catalog data courtesy of CelesTrak.

    last sync 14 h ago

Field provenance

FieldSourceObservedConfidence
Canonical NameCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
Decay DateCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
Launch DateCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
Object TypeCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
Orbital ElementsCelesTrak14 Sept 2026 07:54 UTC100%
Owner CodeCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
StatusCelesTrak SATCAT11 Sept 2026 18:53 UTC100%

Quality flags

  • UNKNOWN_OPERATORactive payload without resolved operator11 Sept 2026

Timeline

Events

All events

No events detected for this object yet. Launches, decays and orbit changes are generated by the derived-analytics connector.

Reference

Identifiers

NORAD catalogue number
64340
COSPAR / international designator
2025-125A
SatelliteIndex id
sat_01M28X2SYF5XMCFN30P743ZE68
Canonical slug
qps-sar-11-yamatsumi-i-64340

Orbit class, mission type and constellation membership are derived by SatelliteIndex (Unknown) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.

QPS-SAR-11 (YAMATSUMI-I) — Live Orbit, NORAD 64340 | SatelliteIndex