▸Orbital parameters

Orbit class	HEO
Inclination	150.0949°
Eccentricity	0.9081119
Period	3242.2 min
Apogee	132,081 km
Perigee	290 km
Mean motion	0.44414475 rev/day
RAAN	55.2192°
Arg of perigee	272.4711°
Mean anomaly	2.3437°
B*	0.0000e+0
Rev at epoch	2,039

▸Two-line element set (TLE)

EPOCH Jul 5, 2026SOURCE CelesTrakDERIVED currentUPDATED Jul 7, 2026

1 26464U 00045B 26186.44804169 .00007110 00000-0 00000-0 0 9999

2 26464 150.0949 55.2192 9081119 272.4711 2.3437 0.44414475 20395

▸ source OMM (JSON)

{
  "OBJECT_NAME": "CLUSTER II-FM8 (TANGO)",
  "OBJECT_ID": "2000-045B",
  "EPOCH": "2026-07-05T10:45:10.802+00:00",
  "MEAN_MOTION": 0.44414475,
  "ECCENTRICITY": 0.90811194,
  "INCLINATION": 150.0949,
  "RA_OF_ASC_NODE": 55.2192,
  "ARG_OF_PERICENTER": 272.4711,
  "MEAN_ANOMALY": 2.3437,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 26464,
  "REV_AT_EPOCH": 2039,
  "BSTAR": 0,
  "MEAN_MOTION_DOT": 0.0000711,
  "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	CLUSTER II-FM8 (TANGO)
Operator	European Space AgencyHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree European Space Operations CentreMEDIUMvia Wikidata
Country	ESA
Launch date	Aug 9, 2000HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	1186HIGHvia GCAT — Jonathan McDowell's General Catalog⚠

▸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/26464

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