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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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, Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 SINOD-D 3
1 40977U 15058P 26261.26610076 .00001737 00000-0 15106-3 0 9995
2 40977 64.7727 345.0182 0127017 22.7971 337.8712 14.94577133128669Epoch: 2026-09-18T06:23Z
TLE epoch observation values (Epoch: 2026-09-18T06:23:11.105Z)
Latitude
-0.00004°
Longitude
-107.96955°
Altitude
503.936 km
Speed
7.657 km/s
True Right ascension
23h 00m 04s
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
07:36:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
670.659 km
Perigee altitude
493.842 km
Semi-major axis
6,960.387 km
Eccentricity
0.0127
Inclination
64.7727°
RAAN
345.0182°
Arg. of periapsis
22.7971°
True anomaly
337.31475°
Mean anomaly
337.8712°
Eccentric anomaly
337.5938°
Mean motion
3.7376 °/min
Orbital period
96.32 mins
BSTAR
0.00015106
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-09-18 14:55:30.265Z | 15.397° NNE | 2026-09-18 14:57:30.265Z | 44.207° NE | 13.787° | 2026-09-18 14:59:30.265Z | 71.762° E |
| 7 mins | 2026-09-18 16:34:30.265Z | 324.615° NNW | 2026-09-18 16:37:30.265Z | 172.127° S | 69.26° | 2026-09-18 16:41:30.265Z | 152.827° SSE |
| 4 mins | 2026-09-19 06:37:30.265Z | 150.391° SSE | 2026-09-19 06:39:30.265Z | 103.334° ESE | 23.934° | 2026-09-19 06:41:30.265Z | 65.604° ENE |
| 4 mins | 2026-09-19 08:16:30.265Z | 272.61° WNW | 2026-09-19 08:18:30.265Z | 320.869° NNW | 25.04° | 2026-09-19 08:20:30.265Z | 359.368° 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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