Satellite · NORAD 43570 · COSPAR 2018-061B
IRIDIUM 166
- Operator Iridium Communications
- Constellation Iridium NEXT
- Country United States
Altitude now
781.2km
SGP4 propagation
Velocity
7.47km/s
Inclination
86.40°
Period
100.4 min
100.4 min
Perigee
776km
Apogee
779km
orbit freshOrbit updated 8 h ago · element epoch 11 Sept 2026 14:22 UTC (8.5 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.
Loading ground track…
- Latitude
- 32.157° N
- Longitude
- 48.397° E
- Altitude
- 781.2 km
- Velocity
- 7.467 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 14:22 UTC
Mission
Mission & classification
- Mission type derived
- Communications
- Object type
- Payload
- SATCAT ops status
- Operational [+]
- Radar cross-section
- —
- Constellation membership derived
- Iridium NEXT via name_pattern
Ownership
Operator & country
- Operator
- Iridium Communications
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 25 Jul 2018
- COSPAR launch id
- 2018-061
Objects from the same launch · 9
- IRIDIUM 16043569PayloadActive
- IRIDIUM 15843571PayloadActive
- IRIDIUM 16543572PayloadActive
- IRIDIUM 15543573PayloadActive
- IRIDIUM 15443574PayloadActive
- IRIDIUM 16343575PayloadActive
- IRIDIUM 15643576PayloadActive
- IRIDIUM 16443577PayloadActive
- IRIDIUM 15943578PayloadActive
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Owner Code | ∅ → US | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Orbit Class | ∅ → LEO | Celestrak | 11 Sept 2026 18:53 UTC |
Regulatory
UN registration
Transparency
Sources & provenance
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
| Field | Source | Observed | Confidence |
|---|---|---|---|
| Canonical Name | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Decay Date | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Launch Date | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Object Type | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Orbital Elements | CelesTrak | 11 Sept 2026 20:57 UTC | 100% |
| Owner Code | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Status | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
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
- 43570
- COSPAR / international designator
- 2018-061B
- SatelliteIndex id
- sat_01M28X2SWZKGKWBJN3JDYP0RX8
- Canonical slug
- iridium-166-43570
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.