▸Orbital parameters

Orbit class	SSO
Inclination	97.3763°
Eccentricity	0.0009379
Period	94.0 min
Apogee	477 km
Perigee	465 km
Mean motion	15.31649631 rev/day
RAAN	266.5233°
Arg of perigee	96.1097°
Mean anomaly	264.1214°
B*	8.8977e-5
Rev at epoch	14,803

▸Two-line element set (TLE)

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

1 58321U 23174BT 26188.20403094 .00002644 00000-0 88977-4 0 9992

2 58321 97.3763 266.5233 0009379 96.1097 264.1214 15.31649631148038

▸ source OMM (JSON)

{
  "OBJECT_NAME": "PROTOMETHEE",
  "OBJECT_ID": "2023-174BT",
  "EPOCH": "2026-07-07T04:53:48.273+00:00",
  "MEAN_MOTION": 15.31649631,
  "ECCENTRICITY": 0.0009379,
  "INCLINATION": 97.3763,
  "RA_OF_ASC_NODE": 266.5233,
  "ARG_OF_PERICENTER": 96.1097,
  "MEAN_ANOMALY": 264.1214,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 58321,
  "REV_AT_EPOCH": 14803,
  "BSTAR": 0.000088977,
  "MEAN_MOTION_DOT": 0.00002644,
  "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	PROTOMETHEE
Operator	Promethee Earth IntelligenceHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	France
Launch date	Nov 11, 2023HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	30HIGHvia 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/58321

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