Showing default

PROPCUBE 3, 40973

Orbit data source: Space-Track

PROPCUBE 3, 40973 is a payload satellite owned by USN PGS (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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/40973?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/40973?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

40973, 2015-058K

Orbit

LEO

Country

Related business

United States Navy (US)

Manufacturer

Tyvak NSS

Mission

Operational Defense Technology

Bus & Motor

CUBESAT 1U, Unknown motor

Mass

1 kg wet, 1 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

0.015 m², Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 PROPCUBE 3
1 40973U 15058K   26037.19023633  .00005671  00000-0  47788-3 0  9993
2 40973  64.7698 301.5070 0125490 112.2251 249.2230 14.93208459 95232

Epoch: 2026-02-06T04:33Z

TLE epoch observation values (Epoch: 2026-02-06T04:33:56.418Z)

Latitude

-0.00004°

Longitude

96.69024°

Altitude

621.915 km

Speed

7.531 km/s

True Right ascension

20h 06m 01s

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

16:22:36

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

673.904 km

Perigee altitude

499.106 km

Semi-major axis

6,964.642 km

Eccentricity

0.01255

Inclination

64.7698°

RAAN

301.507°

Arg. of periapsis

112.2251°

True anomaly

247.88607°

Mean anomaly

249.223°

Eccentric anomaly

248.55378°

Mean motion

3.73418 °/min

Orbital period

96.41 mins

BSTAR

0.00047788

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

BISONSAT, 40968

AEROCUBE 5C, 40965

PROPCUBE 1, 40976

ATLAS 5 CENTAUR R/B, 40978

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

PROPCUBE 3 Visibility forecast

Loading observer location...
Set Observer location

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	2026-02-06 19:10:09.995Z	202.081° SSW	2026-02-06 19:14:09.995Z	74.699° E	41.738°	2026-02-06 19:17:09.995Z	37.344° NE
5 mins	2026-02-07 03:37:09.995Z	4.134° NNE	2026-02-07 03:39:09.995Z	69.053° E	30.438°	2026-02-07 03:42:09.995Z	121.291° SE

Items per page:

1–2 of 2 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

Check out PROPCUBE 3, 40973 on other resources

View PROPCUBE 3, 40973 on NASA - NSSDCA Website

View PROPCUBE 3, 40973 on Heavens-Above

View PROPCUBE 3, 40973 on Keep Track

View PROPCUBE 3, 40973 on Celestrak

View PROPCUBE 3, 40973 on Gunter's Space Page

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

PROPCUBE 3, 40973

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-02-06T04:33:56.418Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

PROPCUBE 3 Visibility forecast

Co-orbital & Co-planar RSOs

Check out PROPCUBE 3, 40973 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago