Skip to content
SatelliteIndex

Satellite · NORAD 41729 · COSPAR 2016-050A

JCSAT-16

ActivePayloadGEOCommunications derived
  • Operator Japan
  • Constellation
  • Country Japan

Altitude now

35,784.7km

SGP4 propagation

Velocity

3.07km/s

Inclination

0.02°

Period

23.9 h

1,436.1 min

Perigee

35,783km

Apogee

35,791km

orbit agingOrbit updated 3 h ago · element epoch 11 Sept 2026 16:21 UTC (15.3 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 JCSAT-16JCSAT-16
LIVE · SGP4

Loading ground track…

Latitude
0.046° N
Longitude
143.960° E
Altitude
35784.7 km
Velocity
3.075 km/s
  • past 45 min
  • next 90 min
  • first fix from server render · element epoch 11 Sept 2026 16:21 UTC

Mission

Mission & classification

Mission type derived
Communications
Object type
Payload
SATCAT ops status
Operational [+]
Radar cross-section
18.9 m²

CelesTrak groups

Aliases

  • JCSAT-16Celestrak

Ownership

Operator & country

Operator
SATCAT owner code
JPN · Japan
Country
Japan JP

Launch

Launch

Launch page
Launch date
14 Aug 2016
COSPAR launch id
2016-050

Objects from the same launch · 1

Change log

History

FieldChangeSourceDate
Country CodeJPCelestrak Satcat11 Sept 2026 18:53 UTC
Owner CodeJPNCelestrak Satcat11 Sept 2026 18:53 UTC
Orbit ClassGEOCelestrak11 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 25 min ago

  • CelesTrak SATCATcommunity

    Satellite catalog data courtesy of CelesTrak.

    last sync 13 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 ElementsCelesTrak12 Sept 2026 07:07 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
41729
COSPAR / international designator
2016-050A
SatelliteIndex id
sat_01M28X2SWY7BJXFXBAARKWTGYB
Canonical slug
jcsat-16-41729

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

JCSAT-16 — Live Orbit, NORAD 41729 | SatelliteIndex