Satellite · NORAD 42741 · COSPAR 2017-029B
EUTELSAT 172B
- Operator Eutelsat
- Constellation Eutelsat GEO fleet
- Country France
Altitude now
35,786.3km
SGP4 propagation
Velocity
3.07km/s
Inclination
0.02°
Period
23.9 h
1,436.1 min
Perigee
35,787km
Apogee
35,787km
orbit freshOrbit updated 9 h ago · element epoch 11 Sept 2026 13:31 UTC (8.1 h old)· Metadata updated 9 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
- 0.016° S
- Longitude
- 172.003° E
- Altitude
- 35786.3 km
- Velocity
- 3.075 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 13:31 UTC
Mission
Mission & classification
Ownership
Operator & country
Launch
Launch
- Launch date
- 01 Jun 2017
- COSPAR launch id
- 2017-029
- Launch site
- Guiana Space Centre, Kourou
Objects from the same launch · 3
- ARIANE 5 DEB [SYLDA]42743DebrisInactive
- VIASAT-242740PayloadActive
- ARIANE 5 R/B42742Rocket bodyInactive
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Owner Code | ∅ → EUTE | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Orbit Class | ∅ → GEO | 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 7 h ago
CelesTrak SATCATcommunity
Satellite catalog data courtesy of CelesTrak.
last sync 9 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
- 42741
- COSPAR / international designator
- 2017-029B
- SatelliteIndex id
- sat_01M28X2SWY7BJXFXBAARKWTH0W
- Canonical slug
- eutelsat-172b-42741
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.