▸Orbital parameters

Orbit class	SSO
Inclination	97.6734°
Eccentricity	0.0005236
Period	91.8 min
Apogee	367 km
Perigee	360 km
Mean motion	15.68489493 rev/day
RAAN	235.3246°
Arg of perigee	287.3010°
Mean anomaly	72.7678°
B*	3.4140e-4
Rev at epoch	38,967

▸Two-line element set (TLE)

EPOCH Jul 7, 2026SOURCE CelesTrakDERIVED currentUPDATED Jul 7, 2026

1 44408U 19038Y 26188.09408485 .00038515 00000-0 34140-3 0 9991

2 44408 97.6734 235.3246 0005236 287.3010 72.7678 15.68489493389677

▸ source OMM (JSON)

{
  "OBJECT_NAME": "MOMENTUS-X1",
  "OBJECT_ID": "2019-038Y",
  "EPOCH": "2026-07-07T02:15:28.931+00:00",
  "MEAN_MOTION": 15.68489493,
  "ECCENTRICITY": 0.0005236,
  "INCLINATION": 97.6734,
  "RA_OF_ASC_NODE": 235.3246,
  "ARG_OF_PERICENTER": 287.301,
  "MEAN_ANOMALY": 72.7678,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 44408,
  "REV_AT_EPOCH": 38967,
  "BSTAR": 0.0003414,
  "MEAN_MOTION_DOT": 0.00038515,
  "MEAN_MOTION_DDOT": 0
}

Reconstructed from CelesTrak OMM mean-elements (element-set number is a placeholder). TLE/OMM data is approximate. Not for operational use or collision avoidance.

▸Satellite metadata

Name	MOMENTUS-X1
Operator	Momentus SpaceHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Jul 5, 2019HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	20HIGHvia GCAT — Jonathan McDowell's General Catalog
Mission purpose	—
Object class	PAYLOADHIGH

▸Data quality

Score85 / 100

Claims7

Sources1

TLEavailable

▸Sources

GCAT — Jonathan McDowell's General CatalogCC BY 4.0planet4589.org

▸Actions

GET /api/v1/satellites/44408

//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.