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MOMENTUS-X1, 44408

Orbit data source: Space-Track

MOMENTUS-X1, 44408 is a payload satellite owned by Momentus (US) in SSO that was launched on Fri, 05 Jul 2019 UTC via a SOYUZ-2-1B launch vehicle from the Vostochny Cosmodrome (VOSTO). 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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https://www.satcat.com/sats-embedded/44408?theme=dark&initialShowStats=false

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Identifier

44408, 2019-038Y

Orbit

SSO

Country

Related business

Momentus Space (US)

Manufacturer

Astro Digital

Mission

Operational Commercial Technology

Bus & Motor

CUBESAT 16U, Unknown motor

Mass

~20 kg wet, ~20 kg dry

Launch date (UTC)

2019-07-05 (7 years ago)

Launch vehicle

SOYUZ-2-1B

Launch site

Vostochny Cosmodrome (VOSTO)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.2 m

Radar Cross Section

0.160 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 12 hours ago

TLE from 12 hours ago

0 MOMENTUS-X1
1 44408U 19038Y   26072.32514666  .00038853  00000-0  49444-3 0  9996
2 44408  97.6910 109.4435 0009042  18.8725 341.2864 15.59218907371585

Epoch: 2026-03-13T07:48Z

TLE epoch observation values (Epoch: 2026-03-13T07:48:12.671Z)

Latitude

-0.00001°

Longitude

-178.5716°

Altitude

387.254 km

Speed

7.681 km/s

True Right ascension

07h 17m 46s

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

00:10:34

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

392.96 km

Perigee altitude

380.726 km

Semi-major axis

6,764.98 km

Eccentricity

0.0009

Inclination

97.691°

RAAN

109.4435°

Arg. of periapsis

18.8725°

True anomaly

341.25312°

Mean anomaly

341.2864°

Eccentric anomaly

341.26976°

Mean motion

3.90071 °/min

Orbital period

92.29 mins

BSTAR

0.00049444

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Other satellites on launch #38 in the year 2019 (2019-07-05 UTC)

D STAR ONE (LIGHTSAT), 44393 (Decayed)

OBJECT N, 44398 (Decayed)

NSL-1, 44391 (Decayed)

LEMUR 2 DUSTINTHEWIND, 44405 (Decayed)

LEMUR 2 YNDRD, 44413 (Decayed)

SOCRAT, 44414 (Decayed)

LEMUR 2 MORAG, 44403 (Decayed)

LEMUR 2 LILLYJO, 44396 (Decayed)

OBJECT M, 44397 (Decayed)

LEMUR 2 WANLI, 44402 (Decayed)

JAISAT 1, 44419 (Decayed)

BEESAT 9, 44412 (Decayed)

OBJECT R, 44401 (Decayed)

CARBONIX, 44404 (Decayed)

D STAR ONE (EXOCONNECT), 44410 (Decayed)

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MOMENTUS-X1 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.
5 mins	2026-03-14 02:25:13.710Z	165.063° S	2026-03-14 02:27:13.710Z	153.101° SSE	43.595°	2026-03-14 02:30:13.710Z	348.784° N
4 mins	2026-03-14 15:11:13.710Z	31.84° NE	2026-03-14 15:12:13.710Z	89.402° E	41.867°	2026-03-14 15:15:13.710Z	184.005° SSW

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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 MOMENTUS-X1, 44408 on other resources

View MOMENTUS-X1, 44408 on NASA - NSSDCA Website

View MOMENTUS-X1, 44408 on Heavens-Above

View MOMENTUS-X1, 44408 on Keep Track

View MOMENTUS-X1, 44408 on Celestrak

View MOMENTUS-X1, 44408 on Gunter's Space Page

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

MOMENTUS-X1, 44408

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-03-13T07:48:12.671Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #38 in the year 2019 (2019-07-05 UTC)

MOMENTUS-X1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out MOMENTUS-X1, 44408 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago