▸Orbital parameters

Orbit class	SSO
Inclination	98.1783°
Eccentricity	0.0001403
Period	98.7 min
Apogee	697 km
Perigee	695 km
Mean motion	14.59200598 rev/day
RAAN	195.4257°
Arg of perigee	86.7994°
Mean anomaly	273.3367°
B*	4.6286e-5
Rev at epoch	65,293

▸Two-line element set (TLE)

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

1 39634U 14016A 26188.18462197 .00000172 00000-0 46286-4 0 9990

2 39634 98.1783 195.4257 0001403 86.7994 273.3367 14.59200598652936

▸ source OMM (JSON)

{
  "OBJECT_NAME": "SENTINEL-1A",
  "OBJECT_ID": "2014-016A",
  "EPOCH": "2026-07-07T04:25:51.338+00:00",
  "MEAN_MOTION": 14.59200598,
  "ECCENTRICITY": 0.0001403,
  "INCLINATION": 98.1783,
  "RA_OF_ASC_NODE": 195.4257,
  "ARG_OF_PERICENTER": 86.7994,
  "MEAN_ANOMALY": 273.3367,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 39634,
  "REV_AT_EPOCH": 65293,
  "BSTAR": 0.000046286,
  "MEAN_MOTION_DOT": 0.00000172,
  "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	SENTINEL-1A
Operator	European Space AgencyHIGHvia GCAT — Jonathan McDowell's General Catalog European Space AgencyMEDIUMvia Wikidata
Country	ESA
Launch date	Apr 3, 2014HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	2157HIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree

▸Data quality

Score95 / 100

Claims10

Sources2

TLEavailable

▸Sources

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

▸Actions

GET /api/v1/satellites/39634

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