Satellite · NORAD 25757 · COSPAR 1999-029B
DLR-TUBSAT
- Operator Germany
- Constellation —
- Country Germany
Altitude now
719.0km
SGP4 propagation
Velocity
7.51km/s
Inclination
98.68°
Period
99.1 min
99.1 min
Perigee
707km
Apogee
729km
orbit freshOrbit updated 3 h ago · element epoch 11 Sept 2026 18:00 UTC (10.5 h old)· Metadata updated 3 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
- 62.973° N
- Longitude
- 32.841° E
- Altitude
- 719.0 km
- Velocity
- 7.507 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 18:00 UTC
Mission
Mission & classification
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- GER · Germany
- Country
- Germany DE
Launch
Launch
- Launch date
- 26 May 1999
- COSPAR launch id
- 1999-029
- Launch site
- Satish Dhawan Space Centre, Sriharikota
Objects from the same launch · 3
- KITSAT 325756PayloadUnknown
- IRS-P4 (OCEANSAT-1)25758PayloadUnknown
- PSLV R/B25759Rocket bodyInactive
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Country Code | ∅ → DE | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Owner Code | ∅ → GER | 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 1 h ago
CelesTrak SATCATcommunity
Satellite catalog data courtesy of CelesTrak.
last sync 10 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 | 12 Sept 2026 03:03 UTC | 100% |
| Owner Code | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Status | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
Quality flags
- UNKNOWN_OPERATORactive payload without resolved operator11 Sept 2026
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
- 25757
- COSPAR / international designator
- 1999-029B
- SatelliteIndex id
- sat_01M28X2SWT01QM2JGQ9QTBM23E
- Canonical slug
- dlr-tubsat-25757
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.