▸Orbital parameters

Orbit class	GEO
Inclination	13.3319°
Eccentricity	0.0003190
Period	1460.8 min
Apogee	36,282 km
Perigee	36,255 km
Mean motion	0.98576254 rev/day
RAAN	349.6839°
Arg of perigee	134.1393°
Mean anomaly	59.9689°
B*	0.0000e+0
Rev at epoch	23

▸Two-line element set (TLE)

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

1 20776U 90079A 26188.05002653 .00000015 00000-0 00000-0 0 9999

2 20776 13.3319 349.6839 0003190 134.1393 59.9689 0.98576254 230

▸ source OMM (JSON)

{
  "OBJECT_NAME": "SKYNET 4C",
  "OBJECT_ID": "1990-079A",
  "EPOCH": "2026-07-07T01:12:02.292+00:00",
  "MEAN_MOTION": 0.98576254,
  "ECCENTRICITY": 0.000319,
  "INCLINATION": 13.3319,
  "RA_OF_ASC_NODE": 349.6839,
  "ARG_OF_PERICENTER": 134.1393,
  "MEAN_ANOMALY": 59.9689,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 20776,
  "REV_AT_EPOCH": 23,
  "BSTAR": 0,
  "MEAN_MOTION_DOT": 1.5e-7,
  "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	SKYNET 4C
Operator	Ministry of Defence, LondonHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree Ministry of DefenceMEDIUMvia Wikidata
Country	United KingdomMEDIUMvia Wikidata
Launch date	Aug 30, 1990HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	1430HIGH

▸Data quality

Score95 / 100

Claims11

Sources2

TLEavailable

▸Sources

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

▸Actions

GET /api/v1/satellites/20776

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