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SatelliteIndex

Satellite · NORAD 66775 · COSPAR 2025-276DP

PHI 1

ActivePayloadLEOUnknown derived
  • Operator To be determined
  • Constellation —
  • Country —

Altitude now

502.5km

SGP4 propagation

Velocity

7.61km/s

Inclination

97.41°

Period

94.6 min

94.6 min

Perigee

498km

Apogee

500km

orbit agingOrbit updated 8 h ago · element epoch 11 Sept 2026 04:04 UTC (17.4 h old)· Metadata updated 8 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 PHI 1PHI 1
LIVE · SGP4

Loading ground track…

Latitude
19.722° N
Longitude
10.944° E
Altitude
502.5 km
Velocity
7.614 km/s
  • past 45 min
  • next 90 min
  • first fix from server render · element epoch 11 Sept 2026 04:04 UTC

Mission

Mission & classification

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

CelesTrak groups

Aliases

  • PHI 1Celestrak

Ownership

Operator & country

Operator
—
SATCAT owner code
TBD · To be determined
Country
—

Launch

Launch

Launch page →
Launch date
28 Nov 2025
COSPAR launch id
2025-276
Launch site
Vandenberg Space Force Base (Western Range), California

Objects from the same launch · 40+

All objects from launch 2025-276 →

Change log

History

FieldChangeSourceDate
Owner Code∅ → TBDCelestrak Satcat11 Sept 2026 18:53 UTC
Orbit Class∅ → LEOCelestrak11 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 6 h ago

  • CelesTrak SATCATcommunity

    Satellite catalog data courtesy of CelesTrak.

    last sync 8 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 ElementsCelesTrak11 Sept 2026 20:57 UTC100%
Owner CodeCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
StatusCelesTrak SATCAT11 Sept 2026 18:53 UTC100%

Quality flags

  • UNKNOWN_COUNTRYSATCAT owner TBD11 Sept 2026
  • 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
66775
COSPAR / international designator
2025-276DP
SatelliteIndex id
sat_01M28X2SYTAPCA7YSMB7K7ZEXN
Canonical slug
phi-1-66775

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.