▸Orbital parameters

Orbit class	GEO
Inclination	4.5795°
Eccentricity	0.0001965
Period	1436.1 min
Apogee	35,795 km
Perigee	35,778 km
Mean motion	1.00272160 rev/day
RAAN	53.1113°
Arg of perigee	44.6902°
Mean anomaly	295.0221°
B*	0.0000e+0
Rev at epoch	5,559

▸Two-line element set (TLE)

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

1 37481U 11019A 26188.15528794 .00000112 00000-0 00000-0 0 9995

2 37481 4.5795 53.1113 0001965 44.6902 295.0221 1.00272160 55599

▸ source OMM (JSON)

{
  "OBJECT_NAME": "SBIRS GEO-1 (USA 230)",
  "OBJECT_ID": "2011-019A",
  "EPOCH": "2026-07-07T03:43:36.878+00:00",
  "MEAN_MOTION": 1.0027216,
  "ECCENTRICITY": 0.0001965,
  "INCLINATION": 4.5795,
  "RA_OF_ASC_NODE": 53.1113,
  "ARG_OF_PERICENTER": 44.6902,
  "MEAN_ANOMALY": 295.0221,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 37481,
  "REV_AT_EPOCH": 5559,
  "BSTAR": 0,
  "MEAN_MOTION_DOT": 0.00000112,
  "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	SBIRS GEO-1 (USA 230)
Operator	US Air Force Space CommandHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree United States Air ForceMEDIUMvia Wikidata
Country	United States
Launch date	May 7, 2011HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	4500HIGHvia GCAT — Jonathan McDowell's General Catalog

▸Data quality

Score90 / 100

Claims8

Sources2

TLEavailable

▸Sources

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

▸Actions

GET /api/v1/satellites/37481

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