▸Orbital parameters

Orbit class	GEO
Inclination	0.0160°
Eccentricity	0.0001784
Period	1436.1 min
Apogee	35,795 km
Perigee	35,780 km
Mean motion	1.00270384 rev/day
RAAN	332.7683°
Arg of perigee	153.6704°
Mean anomaly	148.7417°
B*	0.0000e+0
Rev at epoch	5,072

▸Two-line element set (TLE)

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

1 38749U 12045A 26188.13353448 -.00000270 00000-0 00000-0 0 9999

2 38749 0.0160 332.7683 0001784 153.6704 148.7417 1.00270384 50729

▸ source OMM (JSON)

{
  "OBJECT_NAME": "INTELSAT 21 (IS-21)",
  "OBJECT_ID": "2012-045A",
  "EPOCH": "2026-07-07T03:12:17.379+00:00",
  "MEAN_MOTION": 1.00270384,
  "ECCENTRICITY": 0.0001784,
  "INCLINATION": 0.016,
  "RA_OF_ASC_NODE": 332.7683,
  "ARG_OF_PERICENTER": 153.6704,
  "MEAN_ANOMALY": 148.7417,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 38749,
  "REV_AT_EPOCH": 5072,
  "BSTAR": 0,
  "MEAN_MOTION_DOT": -0.0000027,
  "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	INTELSAT 21 (IS-21)
Operator	Intelsat S.A., US headquartersHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree IntelsatMEDIUMvia Wikidata
Country	United States
Launch date	Aug 19, 2012HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	5984HIGHvia 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/38749

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