PROBA-1
NORAD 26958 · 2001-049B
PAYLOAD ACTIVE UNKNOWN
§ Identity
- Operator
- —
- Country
- ESA
- Launch date
- 2001-10-22
- Launch site
- SRILR
- Launch vehicle
- —
- Mass (kg)
- —
- RCS (m²)
- —
Purposes: tech_demo
External: N2YO · Heavens-Above · Gunter
§ Orbital elements
Epoch: 2026-09-27T08:14:54.626784Z
- Period
- 95.50 min
- Inclination
- 97.9616°
- Eccentricity
- 0.0055659
- Mean motion
- 15.07835579 rev/d
- Perigee alt
- 504.3 km
- Apogee alt
- 581.3 km
- Semi-major
- 6,921.0 km
- B*
- 9.4401e-5
- RAAN
- 282.4845°
- Arg perigee
- 135.9305°
- Mean anomaly
- 224.6379°
- Rev number
- 35,901
§ Raw data
PROBA-11 26958U 01049B 26270.34368781 .00001425 00000+0 94401-4 0 99942 26958 97.9616 282.4845 0055659 135.9305 224.6379 15.07835579359010
JSON: /api/v1/satellites/26958 · /tle
For live sub-satellite position, see the globe view (requires WebGL).
§ Visibility from observer
Set your observer location to see the next 7 days of passes ≥ 10°. The values pass through the URL so the page stays shareable.
No JS? Fill the form by hand. The geolocation button needs JavaScript.
§ Radio — SatNOGS DB
| Mode | Description | Downlink | Uplink |
|---|---|---|---|
| BPSK | Mode S Dumps (2048000 bd) | 2.235 GHz | — |
1 transmitter · refreshed weekly from db.satnogs.org