▸Orbital parameters

Orbit class	LEO
Inclination	53.1575°
Eccentricity	0.0001269
Period	94.1 min
Apogee	476 km
Perigee	474 km
Mean motion	15.30170061 rev/day
RAAN	207.7950°
Arg of perigee	93.3713°
Mean anomaly	266.7433°
B*	5.0474e-4
Rev at epoch	4,080

▸Two-line element set (TLE)

EPOCH Jul 6, 2026SOURCE CelesTrakDERIVED currentUPDATED Jul 7, 2026

1 66121U 25237H 26187.53622034 .00014606 00000-0 50474-3 0 9994

2 66121 53.1575 207.7950 0001269 93.3713 266.7433 15.30170061 40805

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-35631",
  "OBJECT_ID": "2025-237H",
  "EPOCH": "2026-07-06T12:52:09.437+00:00",
  "MEAN_MOTION": 15.30170061,
  "ECCENTRICITY": 0.0001269,
  "INCLINATION": 53.1575,
  "RA_OF_ASC_NODE": 207.795,
  "ARG_OF_PERICENTER": 93.3713,
  "MEAN_ANOMALY": 266.7433,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 66121,
  "REV_AT_EPOCH": 4080,
  "BSTAR": 0.00050474,
  "MEAN_MOTION_DOT": 0.00014606,
  "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	STARLINK-35631
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Oct 22, 2025HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	575HIGHvia GCAT — Jonathan McDowell's General Catalog
Mission purpose	—
Object class	PAYLOADHIGH

▸Data quality

Score85 / 100

Claims7

Sources1

TLEavailable

▸Sources

GCAT — Jonathan McDowell's General CatalogCC BY 4.0planet4589.org

▸Actions

GET /api/v1/satellites/66121

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