▸Orbital parameters

Orbit class	LEO
Inclination	81.0036°
Eccentricity	0.0005967
Period	104.0 min
Apogee	950 km
Perigee	941 km
Mean motion	13.85164875 rev/day
RAAN	52.6988°
Arg of perigee	262.9480°
Mean anomaly	97.0997°
B*	6.6616e-5
Rev at epoch	16,485

▸Two-line element set (TLE)

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

1 56167U 23050F 26187.99707377 .00000086 00000-0 66616-4 0 9991

2 56167 81.0036 52.6988 0005967 262.9480 97.0997 13.85164875164854

▸ source OMM (JSON)

{
  "OBJECT_NAME": "CHECKMATE 2",
  "OBJECT_ID": "2023-050F",
  "EPOCH": "2026-07-06T23:55:47.174+00:00",
  "MEAN_MOTION": 13.85164875,
  "ECCENTRICITY": 0.0005967,
  "INCLINATION": 81.0036,
  "RA_OF_ASC_NODE": 52.6988,
  "ARG_OF_PERICENTER": 262.948,
  "MEAN_ANOMALY": 97.0997,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 56167,
  "REV_AT_EPOCH": 16485,
  "BSTAR": 0.000066616,
  "MEAN_MOTION_DOT": 8.6e-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 2
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/56167

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