▸Orbital parameters

Orbit class	LEO
Inclination	81.0009°
Eccentricity	0.0005577
Period	104.0 min
Apogee	950 km
Perigee	942 km
Mean motion	13.84961612 rev/day
RAAN	52.7453°
Arg of perigee	270.2046°
Mean anomaly	89.8471°
B*	5.4240e-5
Rev at epoch	16,489

▸Two-line element set (TLE)

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

1 56162U 23050A 26188.02326794 .00000072 00000-0 54240-4 0 9996

2 56162 81.0009 52.7453 0005577 270.2046 89.8471 13.84961612164897

▸ source OMM (JSON)

{
  "OBJECT_NAME": "CHECKMATE 8",
  "OBJECT_ID": "2023-050A",
  "EPOCH": "2026-07-07T00:33:30.35+00:00",
  "MEAN_MOTION": 13.84961612,
  "ECCENTRICITY": 0.0005577,
  "INCLINATION": 81.0009,
  "RA_OF_ASC_NODE": 52.7453,
  "ARG_OF_PERICENTER": 270.2046,
  "MEAN_ANOMALY": 89.8471,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 56162,
  "REV_AT_EPOCH": 16489,
  "BSTAR": 0.00005424,
  "MEAN_MOTION_DOT": 7.2e-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	CHECKMATE 8
Operator	Space Development AgencyHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Apr 2, 2023HIGHvia 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/56162

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