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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 (10 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, Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 5 hours ago

TLE from 5 hours ago

0 SINOD-D 1
1 40974U 15058L   25356.26901101  .00010587  00000-0  58105-3 0  9997
2 40974  64.7620  23.6669 0085676 125.2013 235.7171 15.11426283 88835

Epoch: 2025-12-22T06:27Z

TLE epoch observation values (Epoch: 2025-12-22T06:27:22.551Z)

Latitude

0.00004°

Longitude

-164.24658°

Altitude

567.569 km

Speed

7.559 km/s

True Right ascension

01h 34m 40s

True Declination

0° 00' 00"

Sunlit

Object was in daylight 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

10:51:48

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

589.595 km

Perigee altitude

471.215 km

Semi-major axis

6,908.542 km

Eccentricity

0.00857

Inclination

64.762°

RAAN

23.6669°

Arg. of periapsis

125.2013°

True anomaly

234.91078°

Mean anomaly

235.7171°

Eccentric anomaly

235.31345°

Mean motion

3.77975 °/min

Orbital period

95.24 mins

BSTAR

0.00058105

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

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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.
4 mins	2025-12-22 13:23:08.005Z	291.56° WNW	2025-12-22 13:25:08.005Z	224.292° SW	29.393°	2025-12-22 13:27:08.005Z	182.714° SSW
5 mins	2025-12-23 03:15:08.005Z	171.793° S	2025-12-23 03:17:08.005Z	119.1° SE	31.776°	2025-12-23 03:20:08.005Z	52.006° ENE

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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: 5 hours ago

TLE from 5 hours ago

TLE epoch observation values (Epoch: 2025-12-22T06:27:22.551Z)

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: 5 hours ago