▸Orbital parameters

Orbit class	LEO
Inclination	81.0000°
Eccentricity	0.0005481
Period	104.0 min
Apogee	950 km
Perigee	942 km
Mean motion	13.84987633 rev/day
RAAN	52.4956°
Arg of perigee	267.5090°
Mean anomaly	92.5439°
B*	5.3609e-5
Rev at epoch	16,491

▸Two-line element set (TLE)

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

1 56163U 23050B 26188.06176647 .00000072 00000-0 53609-4 0 9999

2 56163 81.0000 52.4956 0005481 267.5090 92.5439 13.84987633164915

▸ source OMM (JSON)

{
  "OBJECT_NAME": "CHECKMATE 5",
  "OBJECT_ID": "2023-050B",
  "EPOCH": "2026-07-07T01:28:56.623+00:00",
  "MEAN_MOTION": 13.84987633,
  "ECCENTRICITY": 0.0005481,
  "INCLINATION": 81,
  "RA_OF_ASC_NODE": 52.4956,
  "ARG_OF_PERICENTER": 267.509,
  "MEAN_ANOMALY": 92.5439,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 56163,
  "REV_AT_EPOCH": 16491,
  "BSTAR": 0.000053609,
  "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 5
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/56163

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