▸Orbital parameters

Orbit class	LEO
Inclination	53.1609°
Eccentricity	0.0001691
Period	95.4 min
Apogee	541 km
Perigee	539 km
Mean motion	15.08844881 rev/day
RAAN	73.6285°
Arg of perigee	76.9083°
Mean anomaly	283.2097°
B*	1.5220e-5
Rev at epoch	25,463

▸Two-line element set (TLE)

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

1 50172U 21125S 26187.92749095 -.00000046 00000-0 15220-4 0 9990

2 50172 53.1609 73.6285 0001691 76.9083 283.2097 15.08844881254630

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-3287",
  "OBJECT_ID": "2021-125S",
  "EPOCH": "2026-07-06T22:15:35.218+00:00",
  "MEAN_MOTION": 15.08844881,
  "ECCENTRICITY": 0.0001691,
  "INCLINATION": 53.1609,
  "RA_OF_ASC_NODE": 73.6285,
  "ARG_OF_PERICENTER": 76.9083,
  "MEAN_ANOMALY": 283.2097,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 50172,
  "REV_AT_EPOCH": 25463,
  "BSTAR": 0.00001522,
  "MEAN_MOTION_DOT": -4.6e-7,
  "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-3287
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Dec 18, 2021HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	290HIGHvia 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/50172

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