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SatelliteIndex

Satellite · NORAD 20978 · COSPAR 1990-105A

DMSP 5D-2 F10 (USA 68)

UnknownPayloadLEOWeather derived

Altitude now

—

no element set

Velocity

—

Inclination

98.60°

Period

100.0 min

100.0 min

Perigee

707km

Apogee

809km

orbit unavailableNo orbital element set on file.· Metadata updated 27 h ago

Live position

Live position

Live position unavailable — no public orbital element set exists for this object (it may be classified, untracked or too small to catalogue).

Mission

Mission & classification

Mission type derived
Weather
Object type
Payload
SATCAT ops status
Non-operational [-]
Radar cross-section
3.9 m²

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • DMSP 5D-2 F10 (USA 68)Celestrak Satcat

Ownership

Operator & country

Operator
—
SATCAT owner code
US · United States
Country
United States US

Launch

Launch

Launch page →
Launch date
01 Dec 1990
COSPAR launch id
1990-105
Launch site
Vandenberg Space Force Base (Western Range), California

Objects from the same launch · 29

All objects from launch 1990-105 →

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
20978
COSPAR / international designator
1990-105A
SatelliteIndex id
sat_01M28X3JPGQQFZBRF1ZDZ0BC55
Canonical slug
dmsp-5d-2-f10-usa-68-20978

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