SINOD-D 3, 40977
Orbit data source: Space-Track
SINOD-D 3, 40977 is a payload satellite owned by SRI (US) in LEO that was launched on Thu, 08 Oct 2015 UTC via an ATLAS V 401 launch vehicle from the Air Force Western Test Range (AFWTR). 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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40977 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SRI
Mission
Operational Commercial Technology
Bus & Motor
CUBESAT 2U, Unknown motor
Mass
2 kg wet, 2 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.1 m
Radar Cross Section
0.040 m², Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 SINOD-D 3
1 40977U 15058P 25256.81549227 .00005654 00000-0 48891-3 0 9997
2 40977 64.7736 57.1109 0138636 165.8716 194.6338 14.90997193 73507Epoch: 2025-09-13T19:34Z
TLE epoch observation values (Epoch: 2025-09-13T19:34:18.532Z)
Latitude
-0.00003°
Longitude
130.49023°
Altitude
690.461 km
Speed
7.461 km/s
True Right ascension
03h 48m 26s
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
23:06:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
690.042 km
Perigee altitude
496.741 km
Semi-major axis
6,971.529 km
Eccentricity
0.01386
Inclination
64.7736°
RAAN
57.1109°
Arg. of periapsis
165.8716°
True anomaly
194.23907°
Mean anomaly
194.6338°
Eccentric anomaly
194.43578°
Mean motion
3.72865 °/min
Orbital period
96.55 mins
BSTAR
0.00048891
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Other satellites on launch #58 in the year 2015 (2015-10-08 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.SINOD-D 3 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-09-14 11:47:12.617Z | 176.225° S | 2025-09-14 11:51:12.617Z | 118.363° SE | 27.569° | 2025-09-14 11:55:12.617Z | 53.286° ENE |
| 6 mins | 2025-09-14 13:28:12.617Z | 261.682° W | 2025-09-14 13:30:12.617Z | 297.211° NW | 25.935° | 2025-09-14 13:34:12.617Z | 8.496° NNE |
| 5 mins | 2025-09-14 21:54:12.617Z | 304.861° NW | 2025-09-14 21:56:12.617Z | 262.55° W | 31.121° | 2025-09-14 21:59:12.617Z | 181.596° SSW |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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