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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: 1 day ago

TLE from 1 day ago

0 MOMENTUS-X1
1 44408U 19038Y   26125.07490736  .00041718  00000-0  45581-3 0  9990
2 44408  97.6789 166.6302 0009538 162.5947 197.5639 15.63178621379819

Epoch: 2026-05-05T01:47Z

TLE epoch observation values (Epoch: 2026-05-05T01:47:51.995Z)

Latitude

-0.0001°

Longitude

-83.2914°

Altitude

387.769 km

Speed

7.674 km/s

True Right ascension

11h 06m 31s

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

15:44:07

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

381.844 km

Perigee altitude

368.961 km

Semi-major axis

6,753.54 km

Eccentricity

0.00095

Inclination

97.6789°

RAAN

166.6302°

Arg. of periapsis

162.5947°

True anomaly

197.53095°

Mean anomaly

197.5639°

Eccentric anomaly

197.54742°

Mean motion

3.91062 °/min

Orbital period

92.06 mins

BSTAR

0.00045581

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

SOCRAT, 44414 (Decayed)

JAISAT 1, 44419 (Decayed)

OBJECT M, 44397 (Decayed)

LEMUR 2 DUSTINTHEWIND, 44405 (Decayed)

SONATE, 44400 (Decayed)

D STAR ONE (LIGHTSAT), 44393 (Decayed)

CARBONIX, 44404 (Decayed)

LEMUR 2 MORAG, 44403 (Decayed)

LEMUR 2 YNDRD, 44413 (Decayed)

LEMUR 2 WANLI, 44402 (Decayed)

LEMUR 2 GREGROBINSON, 44411 (Decayed)

LEMUR 2 EJATTA, 44409 (Decayed)

DOT-1, 44399 (Decayed)

METEOR M2-2, 44387

LUCKY-7, 44406 (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.
4 mins	2026-05-06 15:13:50.580Z	37.145° NE	2026-05-06 15:15:50.580Z	88.235° E	27.175°	2026-05-06 15:17:50.580Z	154.32° SSE
4 mins	2026-05-07 03:05:50.580Z	194.809° SSW	2026-05-07 03:07:50.580Z	273.954° WNW	34.067°	2026-05-07 03:09:50.580Z	329.614° NNW

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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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-05-05T01:47:51.995Z)

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: 1 day ago