ESTCUBE 1, 39161
Orbit data source: Space-Track
ESTCUBE 1, 39161 is a payload satellite owned by ESSP (EE) in SSO that was launched on Tue, 07 May 2013 UTC via a VEGA launch vehicle from the French Guiana (FRGUI). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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39161 intel report (Beta)
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Identifier
Orbit
Country
EE / ESTRelated business
Manufacturer
ESSP/TARTU
Mission
Non-operational Amateur Technology
Bus & Motor
CUBESAT 1U, Unknown motor
Mass
1 kg wet, 1 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.1 m
Radar Cross Section
0.015 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 3 days ago
TLE from 3 days ago
0 ESTCUBE 1
1 39161U 13021C 26170.69385700 .00001144 00000-0 15265-3 0 9993
2 39161 97.7292 224.7912 0008409 17.7389 342.4116 14.81406798705394Epoch: 2026-06-19T16:39Z
TLE epoch observation values (Epoch: 2026-06-19T16:39:09.244Z)
Latitude
-0.00007°
Longitude
67.08353°
Altitude
622.301 km
Speed
7.551 km/s
True Right ascension
14h 59m 09s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
23:08:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
627.805 km
Perigee altitude
616.032 km
Semi-major axis
7,000.055 km
Eccentricity
0.00084
Inclination
97.7292°
RAAN
224.7912°
Arg. of periapsis
17.7389°
True anomaly
342.38245°
Mean anomaly
342.4116°
Eccentric anomaly
342.39703°
Mean motion
3.70588 °/min
Orbital period
97.14 mins
BSTAR
0.00015265
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Other satellites on launch #21 in the year 2013 (2013-05-07 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.ESTCUBE 1 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 16:32:46.832Z | 10.677° NNE | 2026-06-22 16:36:46.832Z | 213.986° SW | 43.899° | 2026-06-22 16:39:46.832Z | 196.189° SSW |
| 7 mins | 2026-06-23 03:27:46.832Z | 153.884° SSE | 2026-06-23 03:30:46.832Z | 58.501° ENE | 42.564° | 2026-06-23 03:34:46.832Z | 353.398° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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