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SINOD-D 1, 40974

Orbit data source: Space-Track

SINOD-D 1, 40974 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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<iframe src="https://www.satcat.com/sats-embedded/40974?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/40974?theme=dark&initialShowStats=false

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Identifier

40974, 2015-058L

Orbit

LEO

Country

Related business

SRI International (US)

Manufacturer

SRI

Mission

Operational Commercial Technology

Bus & Motor

CUBESAT 2U, Unknown motor

Mass

2 kg wet, 2 kg dry

Launch date (UTC)

2015-10-08 (11 years ago)

Launch vehicle

ATLAS V 401

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.1 m

Radar Cross Section

0.025 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 19 hours ago

TLE from 19 hours ago

0 SINOD-D 1
1 40974U 15058L   26306.80209580  .00007620  00000-0  33139-3 0  9999
2 40974  64.7550  84.3966 0092277 352.1136   7.8532 15.19161954136655

Epoch: 2026-11-02T19:15Z

TLE epoch observation values (Epoch: 2026-11-02T19:15:01.077Z)

Latitude

-0.00001°

Longitude

113.56822°

Altitude

447.457 km

Speed

7.679 km/s

True Right ascension

05h 37m 35s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

10:25:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

570.457 km

Perigee altitude

443.39 km

Semi-major axis

6,885.061 km

Eccentricity

0.00923

Inclination

64.755°

RAAN

84.3966°

Arg. of periapsis

352.1136°

True anomaly

7.99935°

Mean anomaly

7.8532°

Eccentric anomaly

7.92611°

Mean motion

3.79911 °/min

Orbital period

94.76 mins

BSTAR

0.00033139

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Other satellites on launch #58 in the year 2015 (2015-10-08 UTC)

ATLAS 5 CENTAUR R/B, 40978

SNAP-3 EDDIE, 40972 (Decayed)

SNAP-3 ALICE, 40970 (Decayed)

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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.

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SINOD-D 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	2026-11-03 19:27:57.660Z	342.2° N	2026-11-03 19:31:57.660Z	74.861° E	43.007°	2026-11-03 19:34:57.660Z	125.271° SE
5 mins	2026-11-04 10:54:57.660Z	215.02° SW	2026-11-04 10:56:57.660Z	15.934° NNE	70.135°	2026-11-04 10:59:57.660Z	30.466° NE

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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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Check out SINOD-D 1, 40974 on other resources

View SINOD-D 1, 40974 on NASA - NSSDCA Website

View SINOD-D 1, 40974 on Heavens-Above

View SINOD-D 1, 40974 on Keep Track

View SINOD-D 1, 40974 on Celestrak

View SINOD-D 1, 40974 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

SINOD-D 1, 40974

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 19 hours ago

TLE from 19 hours ago

TLE epoch observation values (Epoch: 2026-11-02T19:15:01.077Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #58 in the year 2015 (2015-10-08 UTC)

SINOD-D 1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out SINOD-D 1, 40974 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 19 hours ago