▸Orbital parameters

Orbit class	LEO
Inclination	81.3026°
Eccentricity	0.0010604
Period	104.0 min
Apogee	957 km
Perigee	941 km
Mean motion	13.84226007 rev/day
RAAN	352.1977°
Arg of perigee	137.2456°
Mean anomaly	222.9528°
B*	1.5405e-4
Rev at epoch	4,144

▸Two-line element set (TLE)

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

1 65581U 25203S 26187.92512932 .00000184 00000-0 15405-3 0 9995

2 65581 81.3026 352.1977 0010604 137.2456 222.9528 13.84226007 41446

▸ source OMM (JSON)

{
  "OBJECT_NAME": "PRAETORIAN SDA_618",
  "OBJECT_ID": "2025-203S",
  "EPOCH": "2026-07-06T22:12:11.173+00:00",
  "MEAN_MOTION": 13.84226007,
  "ECCENTRICITY": 0.0010604,
  "INCLINATION": 81.3026,
  "RA_OF_ASC_NODE": 352.1977,
  "ARG_OF_PERICENTER": 137.2456,
  "MEAN_ANOMALY": 222.9528,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 65581,
  "REV_AT_EPOCH": 4144,
  "BSTAR": 0.00015405,
  "MEAN_MOTION_DOT": 0.00000184,
  "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_618
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/65581

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