▸Orbital parameters

Orbit class	SSO
Inclination	98.1180°
Eccentricity	0.0006800
Period	97.1 min
Apogee	624 km
Perigee	615 km
Mean motion	14.83175537 rev/day
RAAN	110.8489°
Arg of perigee	217.7098°
Mean anomaly	142.3639°
B*	1.5249e-4
Rev at epoch	93,914

▸Two-line element set (TLE)

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

1 33499U 09002H 26188.09133911 .00001189 00000-0 15249-3 0 9994

2 33499 98.1180 110.8489 0006800 217.7098 142.3639 14.83175537939144

▸ source OMM (JSON)

{
  "OBJECT_NAME": "KKS-1 (KISEKI)",
  "OBJECT_ID": "2009-002H",
  "EPOCH": "2026-07-07T02:11:31.699+00:00",
  "MEAN_MOTION": 14.83175537,
  "ECCENTRICITY": 0.00068,
  "INCLINATION": 98.118,
  "RA_OF_ASC_NODE": 110.8489,
  "ARG_OF_PERICENTER": 217.7098,
  "MEAN_ANOMALY": 142.3639,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 33499,
  "REV_AT_EPOCH": 93914,
  "BSTAR": 0.00015249,
  "MEAN_MOTION_DOT": 0.00001189,
  "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	KKS-1 (KISEKI)
Operator	Tokyo Metropolitan Coll. Aero. Eng.HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	JapanMEDIUMvia Wikidata
Launch date	Jan 23, 2009HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	3HIGHvia GCAT — Jonathan McDowell's General Catalog 3MEDIUM

▸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/33499

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