MOMENTUS-X1
Launch
Launched on Jul 5, 2019 from Cosmodrome Site 1S, Russia aboard a Soyuz 2.1b Fregat.
Soyuz 2.1b/Fregat | Meteor-M No.2-2 & rideshare payloads →Live · TLE epoch 2026-10-24 03:09 UTC
Orbit class
SSO — Sun-Synchronous (LEO at 96–102° inclination)
Operator
United States Government
Country
United States
Manufacturer
—
Launched
Jul 5, 2019
Mass
—
Apogee
334 km
Perigee
328 km
Inclination
97.65°
Period
1.52 h
Altitude history
Apogee and perigee for MOMENTUS-X1 across 59 days of archived orbital elements (60 element sets, one per day).
Trend
Decaying
Change
-23.3 km
Rate
-0.39 km/day
Now
328 × 334 km
Apogee Perigee
Derived from our own archive of CelesTrak orbital elements, sampled every 3 hours. Short windows show drag and station-keeping; they are not a reentry prediction.
Launched with
2 other catalogued objects still in orbit from launch 2019-038 (Soyuz 2.1b/Fregat | Meteor-M No.2-2 & rideshare payloads).
- METEOR-M2 2 · 44387
- ICEYE-X4 · 44390
Sources & further reading
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