▸Orbital parameters

Orbit class	LEO
Inclination	81.3013°
Eccentricity	0.0007569
Period	104.1 min
Apogee	956 km
Perigee	945 km
Mean motion	13.83769232 rev/day
RAAN	352.4784°
Arg of perigee	138.9846°
Mean anomaly	221.1881°
B*	2.8508e-5
Rev at epoch	4,142

▸Two-line element set (TLE)

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

1 65573U 25203J 26187.93983512 .00000043 00000-0 28508-4 0 9996

2 65573 81.3013 352.4784 0007569 138.9846 221.1881 13.83769232 41421

▸ source OMM (JSON)

{
  "OBJECT_NAME": "PRAETORIAN SDA_610",
  "OBJECT_ID": "2025-203J",
  "EPOCH": "2026-07-06T22:33:21.754+00:00",
  "MEAN_MOTION": 13.83769232,
  "ECCENTRICITY": 0.0007569,
  "INCLINATION": 81.3013,
  "RA_OF_ASC_NODE": 352.4784,
  "ARG_OF_PERICENTER": 138.9846,
  "MEAN_ANOMALY": 221.1881,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 65573,
  "REV_AT_EPOCH": 4142,
  "BSTAR": 0.000028508,
  "MEAN_MOTION_DOT": 4.3e-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	PRAETORIAN SDA_610
Operator	Space Development AgencyHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Sep 10, 2025HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	300HIGHvia 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/65573

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