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SatelliteIndex

Satellite · NORAD 43821 · COSPAR 2018-099BR

FLOCK 3S-2

DecayedPayloadLEOEarth observation derived

Altitude now

—

object decayed

Velocity

—

Inclination

97.47°

Period

88.5 min

88.5 min

Perigee

193km

Apogee

203km

orbit unavailableNo orbital element set on file — decayed 03 Sept 2025.· Metadata updated 8 h ago

Live position

Live position

Live position unavailable — this object re-entered the atmosphere on 03 Sept 2025 and is no longer tracked.

Mission

Mission & classification

Mission type derived
Earth observation
Object type
Payload
SATCAT ops status
Decayed [D]
Radar cross-section
—
Constellation membership derived
Planet Flock (Dove) via name_pattern

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • FLOCK 3S-2Celestrak Satcat

Ownership

Operator & country

Operator
Planet Labs PBC
SATCAT owner code
US · United States
Country
United States US

Launch

Launch

Launch page →
Launch date
03 Dec 2018
COSPAR launch id
2018-099
Launch site
Vandenberg Space Force Base (Western Range), California

Objects from the same launch · 40+

All objects from launch 2018-099 →

Change log

History

No changes recorded since first ingestion on 11 Sept 2026 18:54 UTC. Status, orbit class, name and ownership changes are logged here as sources are re-ingested.

Regulatory

UN registration

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

Transparency

Sources & provenance

All sources →

No source is linked to this record yet — the catalogue row exists but no provenance entry has been written for it.

Field provenance

No field-level provenance recorded.

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
43821
COSPAR / international designator
2018-099BR
SatelliteIndex id
sat_01M28X3JV2P2MKKM71AC7EK1Z4
Canonical slug
flock-3s-2-43821

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