▸Orbital parameters

Orbit class	LEO
Inclination	81.0035°
Eccentricity	0.0010841
Period	103.8 min
Apogee	948 km
Perigee	932 km
Mean motion	13.86710598 rev/day
RAAN	52.6922°
Arg of perigee	255.6937°
Mean anomaly	104.3017°
B*	1.2745e-5
Rev at epoch	16,486

▸Two-line element set (TLE)

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

1 56165U 23050D 26188.11610368 .00000026 00000-0 12745-4 0 9995

2 56165 81.0035 52.6922 0010841 255.6937 104.3017 13.86710598164868

▸ source OMM (JSON)

{
  "OBJECT_NAME": "CHECKMATE 6",
  "OBJECT_ID": "2023-050D",
  "EPOCH": "2026-07-07T02:47:11.358+00:00",
  "MEAN_MOTION": 13.86710598,
  "ECCENTRICITY": 0.0010841,
  "INCLINATION": 81.0035,
  "RA_OF_ASC_NODE": 52.6922,
  "ARG_OF_PERICENTER": 255.6937,
  "MEAN_ANOMALY": 104.3017,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 56165,
  "REV_AT_EPOCH": 16486,
  "BSTAR": 0.000012745,
  "MEAN_MOTION_DOT": 2.6e-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 6
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/56165

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