▸Orbital parameters

Orbit class	SSO
Inclination	98.6770°
Eccentricity	0.0010187
Period	101.1 min
Apogee	820 km
Perigee	806 km
Mean motion	14.23631325 rev/day
RAAN	195.9925°
Arg of perigee	141.0143°
Mean anomaly	219.1771°
B*	1.0620e-4
Rev at epoch	19,419

▸Two-line element set (TLE)

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

1 27848U 03031J 26187.98593670 .00000199 00000-0 10620-3 0 9998

2 27848 98.6770 195.9925 0010187 141.0143 219.1771 14.23631325194191

▸ source OMM (JSON)

{
  "OBJECT_NAME": "CUBESAT XI-IV (CO-57)",
  "OBJECT_ID": "2003-031J",
  "EPOCH": "2026-07-06T23:39:44.931+00:00",
  "MEAN_MOTION": 14.23631325,
  "ECCENTRICITY": 0.0010187,
  "INCLINATION": 98.677,
  "RA_OF_ASC_NODE": 195.9925,
  "ARG_OF_PERICENTER": 141.0143,
  "MEAN_ANOMALY": 219.1771,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 27848,
  "REV_AT_EPOCH": 19419,
  "BSTAR": 0.0001062,
  "MEAN_MOTION_DOT": 0.00000199,
  "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	CUBESAT XI-IV (CO-57)
Operator	Tokyo UniversityHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree University of TokyoMEDIUMvia Wikidata
Country	Japan
Launch date	Jun 30, 2003HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	1HIGHvia GCAT — Jonathan McDowell's General Catalog

▸Data quality

Score90 / 100

Claims9

Sources2

TLEavailable

▸Sources

GCAT — Jonathan McDowell's General CatalogCC BY 4.0planet4589.org
WikidataCC0 1.0query.wikidata.org

▸Actions

GET /api/v1/satellites/27848

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