▸Orbital parameters

Orbit class	LEO
Inclination	81.0032°
Eccentricity	0.0010494
Period	104.0 min
Apogee	954 km
Perigee	939 km
Mean motion	13.84954886 rev/day
RAAN	52.9127°
Arg of perigee	296.7157°
Mean anomaly	63.2925°
B*	1.2441e-5
Rev at epoch	16,484

▸Two-line element set (TLE)

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

1 56168U 23050G 26188.05512227 .00000025 00000-0 12441-4 0 9998

2 56168 81.0032 52.9127 0010494 296.7157 63.2925 13.84954886164849

▸ source OMM (JSON)

{
  "OBJECT_NAME": "CHECKMATE 1",
  "OBJECT_ID": "2023-050G",
  "EPOCH": "2026-07-07T01:19:22.564+00:00",
  "MEAN_MOTION": 13.84954886,
  "ECCENTRICITY": 0.0010494,
  "INCLINATION": 81.0032,
  "RA_OF_ASC_NODE": 52.9127,
  "ARG_OF_PERICENTER": 296.7157,
  "MEAN_ANOMALY": 63.2925,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 56168,
  "REV_AT_EPOCH": 16484,
  "BSTAR": 0.000012441,
  "MEAN_MOTION_DOT": 2.5e-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 1
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/56168

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