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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: 9 hours ago

TLE from 9 hours ago

0 SINOD-D 1
1 40974U 15058L   26272.16820819  .00009862  00000-0  44030-3 0  9996
2 40974  64.7579 196.8466 0087055   3.3268 356.8417 15.18456933131397

Epoch: 2026-09-29T04:02Z

TLE epoch observation values (Epoch: 2026-09-29T04:02:13.187Z)

Latitude

-0°

Longitude

128.35456°

Altitude

452.651 km

Speed

7.675 km/s

True Right ascension

13h 07m 23s

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

06:37:24

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

569.012 km

Perigee altitude

449.099 km

Semi-major axis

6,887.192 km

Eccentricity

0.00871

Inclination

64.7579°

RAAN

196.8466°

Arg. of periapsis

3.3268°

True anomaly

356.78614°

Mean anomaly

356.8417°

Eccentric anomaly

356.81398°

Mean motion

3.79734 °/min

Orbital period

94.8 mins

BSTAR

0.0004403

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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 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.
4 mins	2026-09-29 19:58:39.082Z	155.624° SSE	2026-09-29 20:00:39.082Z	120.196° SE	18.204°	2026-09-29 20:02:39.082Z	78.857° E
4 mins	2026-09-29 21:36:39.082Z	264.397° W	2026-09-29 21:38:39.082Z	319.795° NNW	28.711°	2026-09-29 21:40:39.082Z	2.59° NNE
6 mins	2026-09-30 05:52:39.082Z	320.517° NNW	2026-09-30 05:55:39.082Z	193.799° SSW	63.371°	2026-09-30 05:58:39.082Z	157.898° S

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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: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-09-29T04:02:13.187Z)

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: 9 hours ago