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: 19 hours ago
TLE from 19 hours ago
0 SINOD-D 3
1 40977U 15058P 26306.82940747 .00002919 00000-0 23850-3 0 9996
2 40977 64.7715 202.5679 0132107 6.6614 353.6216 14.94905268135471Epoch: 2026-11-02T19:54Z
TLE epoch observation values (Epoch: 2026-11-02T19:54:20.805Z)
Latitude
0.00006°
Longitude
-138.11957°
Altitude
493.295 km
Speed
7.669 km/s
True Right ascension
13h 30m 16s
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
10:25:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
673.17 km
Perigee altitude
489.293 km
Semi-major axis
6,959.369 km
Eccentricity
0.01321
Inclination
64.7715°
RAAN
202.5679°
Arg. of periapsis
6.6614°
True anomaly
353.45062°
Mean anomaly
353.6216°
Eccentric anomaly
353.53639°
Mean motion
3.73842 °/min
Orbital period
96.3 mins
BSTAR
0.0002385
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-11-03 18:30:58.216Z | 187.842° SSW | 2026-11-03 18:33:58.216Z | 125.199° SE | 44.884° | 2026-11-03 18:36:58.216Z | 48.518° ENE |
| 4 mins | 2026-11-03 20:11:58.216Z | 288.481° WNW | 2026-11-03 20:13:58.216Z | 325.091° NNW | 16.395° | 2026-11-03 20:15:58.216Z | 355.626° N |
| 7 mins | 2026-11-04 02:55:58.216Z | 355.464° N | 2026-11-04 02:58:58.216Z | 52.771° ENE | 31.994° | 2026-11-04 03:02:58.216Z | 114.027° SE |
| 6 mins | 2026-11-04 04:35:58.216Z | 286.694° WNW | 2026-11-04 04:37:58.216Z | 245.682° WSW | 29.217° | 2026-11-04 04:41:58.216Z | 186.86° SSW |
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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