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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: 8 hours ago

TLE from 8 hours ago

0 SINOD-D 1
1 40974U 15058L   26002.11939201  .00018955  00000-0  10229-2 0  9993
2 40974  64.7618 348.8371 0084756 120.5002 240.4524 15.11739311 90475

Epoch: 2026-01-02T02:51Z

TLE epoch observation values (Epoch: 2026-01-02T02:51:55.469Z)

Latitude

-0°

Longitude

-155.90821°

Altitude

562.175 km

Speed

7.565 km/s

True Right ascension

23h 15m 20s

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

10:48:22

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

587.997 km

Perigee altitude

470.905 km

Semi-major axis

6,907.588 km

Eccentricity

0.00848

Inclination

64.7618°

RAAN

348.8371°

Arg. of periapsis

120.5002°

True anomaly

239.6119°

Mean anomaly

240.4524°

Eccentric anomaly

240.03171°

Mean motion

3.78054 °/min

Orbital period

95.22 mins

BSTAR

0.0010229

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

ATLAS 5 CENTAUR R/B, 40978

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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	2026-01-02 23:38:26.793Z	148.838° SSE	2026-01-02 23:40:26.793Z	117.218° SE	15.645°	2026-01-02 23:42:26.793Z	81.754° E
5 mins	2026-01-03 01:16:26.793Z	250.977° W	2026-01-03 01:18:26.793Z	307.528° NW	32°	2026-01-03 01:21:26.793Z	13.25° NNE
5 mins	2026-01-03 09:35:26.793Z	325.29° NNW	2026-01-03 09:37:26.793Z	183.606° SSW	44.483°	2026-01-03 09:40:26.793Z	151.692° SSE

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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: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-01-02T02:51:55.469Z)

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: 8 hours ago