▸Orbital parameters

Orbit class	SSO
Inclination	97.4185°
Eccentricity	0.0001855
Period	94.3 min
Apogee	484 km
Perigee	482 km
Mean motion	15.27537312 rev/day
RAAN	262.2363°
Arg of perigee	211.0304°
Mean anomaly	149.0826°
B*	5.6939e-4
Rev at epoch	3,347

▸Two-line element set (TLE)

EPOCH Jul 6, 2026SOURCE CelesTrakDERIVED currentUPDATED Jul 7, 2026

1 66748U 25276CL 26187.71780315 .00015279 00000-0 56939-3 0 9998

2 66748 97.4185 262.2363 0001855 211.0304 149.0826 15.27537312 33474

▸ source OMM (JSON)

{
  "OBJECT_NAME": "UMBRA-11",
  "OBJECT_ID": "2025-276CL",
  "EPOCH": "2026-07-06T17:13:38.192+00:00",
  "MEAN_MOTION": 15.27537312,
  "ECCENTRICITY": 0.0001855,
  "INCLINATION": 97.4185,
  "RA_OF_ASC_NODE": 262.2363,
  "ARG_OF_PERICENTER": 211.0304,
  "MEAN_ANOMALY": 149.0826,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 66748,
  "REV_AT_EPOCH": 3347,
  "BSTAR": 0.00056939,
  "MEAN_MOTION_DOT": 0.00015279,
  "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	UMBRA-11
Operator	Umbra LabsHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree UmbraMEDIUMvia Wikidata
Country	United StatesMEDIUMvia Wikidata
Launch date	Nov 28, 2025HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	84HIGH

▸Data quality

Score90 / 100

Claims9

Sources2

TLEavailable

▸Sources

GCAT — Jonathan McDowell's General CatalogCC BY 4.0planet4589.org
WikidataCC0 1.0query.wikidata.org

▸Actions

GET /api/v1/satellites/66748

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