▸Orbital parameters

Orbit class	SSO
Inclination	97.9595°
Eccentricity	0.0056044
Period	95.5 min
Apogee	582 km
Perigee	505 km
Mean motion	15.07588436 rev/day
RAAN	197.4132°
Arg of perigee	56.1646°
Mean anomaly	304.4897°
B*	1.9227e-4
Rev at epoch	34,663

▸Two-line element set (TLE)

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

1 26958U 01049B 26188.18183068 .00002960 00000-0 19227-3 0 9995

2 26958 97.9595 197.4132 0056044 56.1646 304.4897 15.07588436346634

▸ source OMM (JSON)

{
  "OBJECT_NAME": "PROBA-1",
  "OBJECT_ID": "2001-049B",
  "EPOCH": "2026-07-07T04:21:50.171+00:00",
  "MEAN_MOTION": 15.07588436,
  "ECCENTRICITY": 0.0056044,
  "INCLINATION": 97.9595,
  "RA_OF_ASC_NODE": 197.4132,
  "ARG_OF_PERICENTER": 56.1646,
  "MEAN_ANOMALY": 304.4897,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 26958,
  "REV_AT_EPOCH": 34663,
  "BSTAR": 0.00019227,
  "MEAN_MOTION_DOT": 0.0000296,
  "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	PROBA-1
Operator	European Space AgencyHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree European Space Security and Education CentreMEDIUMvia Wikidata
Country	ESA
Launch date	Oct 22, 2001HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	94HIGHvia 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/26958

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