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
0.025 m², Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 SINOD-D 3
1 40977U 15058P 25302.27864323 .00004676 00000-0 40718-3 0 9999
2 40977 64.7723 275.7092 0131062 149.4447 211.4386 14.91719343 80281Epoch: 2025-10-29T06:41Z
TLE epoch observation values (Epoch: 2025-10-29T06:41:14.775Z)
Latitude
-0.00004°
Longitude
137.54355°
Altitude
672.86 km
Speed
7.479 km/s
True Right ascension
18h 22m 50s
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
19:45:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
682.482 km
Perigee altitude
499.8 km
Semi-major axis
6,969.278 km
Eccentricity
0.01311
Inclination
64.7723°
RAAN
275.7092°
Arg. of periapsis
149.4447°
True anomaly
210.66608°
Mean anomaly
211.4386°
Eccentric anomaly
211.05127°
Mean motion
3.73045 °/min
Orbital period
96.5 mins
BSTAR
0.00040718
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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 | 2025-10-30 00:32:09.768Z | 228.956° WSW | 2025-10-30 00:36:09.768Z | 307.965° NW | 38.497° | 2025-10-30 00:40:09.768Z | 21.981° NNE |
| 6 mins | 2025-10-30 08:59:09.768Z | 327.837° NNW | 2025-10-30 09:02:09.768Z | 154.678° SSE | 44.247° | 2025-10-30 09:05:09.768Z | 149.798° SSE |
| 6 mins | 2025-10-30 23:03:09.768Z | 160.889° S | 2025-10-30 23:06:09.768Z | 103.561° ESE | 24.504° | 2025-10-30 23:09:09.768Z | 57.777° ENE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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