▸Orbital parameters

Orbit class	LEO
Inclination	43.0015°
Eccentricity	0.0001188
Period	94.3 min
Apogee	484 km
Perigee	482 km
Mean motion	15.27544972 rev/day
RAAN	35.0024°
Arg of perigee	274.3681°
Mean anomaly	85.7034°
B*	9.4953e-4
Rev at epoch	3,428

▸Two-line element set (TLE)

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

1 66861U 25281P 26187.00467961 .00025931 00000-0 94953-3 0 9995

2 66861 43.0015 35.0024 0001188 274.3681 85.7034 15.27544972 34285

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-35991",
  "OBJECT_ID": "2025-281P",
  "EPOCH": "2026-07-06T00:06:44.318+00:00",
  "MEAN_MOTION": 15.27544972,
  "ECCENTRICITY": 0.0001188,
  "INCLINATION": 43.0015,
  "RA_OF_ASC_NODE": 35.0024,
  "ARG_OF_PERICENTER": 274.3681,
  "MEAN_ANOMALY": 85.7034,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 66861,
  "REV_AT_EPOCH": 3428,
  "BSTAR": 0.00094953,
  "MEAN_MOTION_DOT": 0.00025931,
  "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-35991
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Dec 2, 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/66861

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