Satellite · NORAD 3429 · COSPAR 1968-081B
ERS 28 (OV5-2)
- Operator United States
- Constellation —
- Country United States
Altitude now
—
object decayed
Velocity
—
Inclination
26.11°
Period
5.8 h
345.6 min
Perigee
159km
Apogee
19,710km
orbit unavailableNo orbital element set on file — decayed 15 Feb 1971.· Metadata updated 19 h ago
Live position
Live position
Live position unavailable — this object re-entered the atmosphere on 15 Feb 1971 and is no longer tracked.
Mission
Mission & classification
- Mission type derived
- Unknown
- Object type
- Payload
- SATCAT ops status
- Decayed [D]
- Radar cross-section
- —
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- ERS 28 (OV5-2)Celestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 26 Sept 1968
- COSPAR launch id
- 1968-081
Objects from the same launch · 40+
- ERS 28 DEB5999DebrisDecayed
- TITAN 3C TRANSTAGE DEB25000DebrisInactive
- TITAN 3C TRANSTAGE DEB25001DebrisInactive
- TITAN 3C TRANSTAGE DEB30000DebrisInactive
- TITAN 3C TRANSTAGE DEB33509DebrisInactive
- TITAN 3C TRANSTAGE DEB33510DebrisInactive
- TITAN 3C TRANSTAGE DEB33511DebrisInactive
- TITAN 3C TRANSTAGE DEB33512DebrisInactive
- TITAN 3C TRANSTAGE DEB33513DebrisInactive
- TITAN 3C TRANSTAGE DEB38690DebrisInactive
- TITAN 3C TRANSTAGE DEB38691DebrisInactive
- TITAN 3C TRANSTAGE DEB38692DebrisInactive
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
Transparency
Sources & provenance
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
No events detected for this object yet. Launches, decays and orbit changes are generated by the derived-analytics connector.
Reference
Identifiers
- NORAD catalogue number
- 3429
- COSPAR / international designator
- 1968-081B
- SatelliteIndex id
- sat_01M28X3JJW9PR81WW7TEHBCETV
- Canonical slug
- ers-28-ov5-2-3429
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.