Satellite · NORAD 42709 · COSPAR 2017-026A
SES-15
- Operator SES
- Constellation SBAS / augmentation
- Country Luxembourg
Altitude now
35,781.1km
SGP4 propagation
Velocity
3.08km/s
Inclination
0.05°
Period
23.9 h
1,436.0 min
Perigee
35,782km
Apogee
35,789km
orbit agingOrbit updated 9 h ago · element epoch 11 Sept 2026 07:29 UTC (12.9 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
- 0.013° S
- Longitude
- 129.143° W
- Altitude
- 35781.1 km
- Velocity
- 3.075 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 07:29 UTC
Mission
Mission & classification
- Mission type derived
- Communications
- Object type
- Payload
- SATCAT ops status
- Operational [+]
- Radar cross-section
- —
- Constellation membership derived
- SBAS / augmentation via celestrak_groupSES GEO fleet via name_pattern
Ownership
Operator & country
- Operator
- SES
- SATCAT owner code
- SES · SES
- Country
- Luxembourg LU
Launch
Launch
- Launch date
- 18 May 2017
- COSPAR launch id
- 2017-026
- Launch site
- Guiana Space Centre, Kourou
Objects from the same launch · 1
- FREGAT R/B42710Rocket bodyInactive
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Constellation Id | con_01M28X1Z9V6NXRFGCNTV7GF809 → con_01M28X1ZA0VYMJSMNFKH7XRS3Z | Celestrak | 11 Sept 2026 18:56 UTC |
| Constellation Id | con_01M28X1Z9V6NXRFGCNTV7GF809 → con_01M28X1ZA0VYMJSMNFKH7XRS3Z | Celestrak | 11 Sept 2026 18:56 UTC |
| Owner Code | ∅ → SES | 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 9 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 18:53 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
- 42709
- COSPAR / international designator
- 2017-026A
- SatelliteIndex id
- sat_01M28X2SWY7BJXFXBAARKWTH0R
- Canonical slug
- ses-15-42709
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.