Satellite · NORAD 39474 · COSPAR 2013-072N
SMDC ONE 2.3
- Operator United States
- Constellation —
- Country United States
Altitude now
277.0km
SGP4 propagation
Velocity
7.74km/s
Inclination
120.43°
Period
89.5 min
89.5 min
Perigee
240km
Apogee
258km
orbit freshOrbit updated 8 h ago · element epoch 11 Sept 2026 12:43 UTC (7.1 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
- 59.407° S
- Longitude
- 62.886° W
- Altitude
- 277.0 km
- Velocity
- 7.735 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 12:43 UTC
Mission
Mission & classification
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 06 Dec 2013
- COSPAR launch id
- 2013-072
Objects from the same launch · 13
- USA 24739462PayloadActive
- FIREBIRD 139463PayloadDecayed
- FIREBIRD 239464PayloadUnknown
- AEROCUBE 5A39465PayloadDecayed
- AEROCUBE 5B39466PayloadDecayed
- ALICE39467PayloadActive
- SNAP-339468PayloadDecayed
- SMDC ONE 2.439469PayloadActive
- CUNYSAT-139470PayloadDecayed
- CP8 (IPEX)39471PayloadUnknown
- MCUBED-239472PayloadDecayed
- TACSAT 639473PayloadActive
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Country Code | ∅ → US | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| 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 8 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 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% |
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
- 39474
- COSPAR / international designator
- 2013-072N
- SatelliteIndex id
- sat_01M28X2SWWDCTX9MYDGY0F69WM
- Canonical slug
- smdc-one-2-3-39474
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Unknown) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.