▸Orbital parameters

Orbit class	SSO
Inclination	97.4630°
Eccentricity	0.0004008
Period	93.9 min
Apogee	468 km
Perigee	463 km
Mean motion	15.33441266 rev/day
RAAN	305.5753°
Arg of perigee	124.5317°
Mean anomaly	235.6304°
B*	4.4264e-4
Rev at epoch	5,805

▸Two-line element set (TLE)

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

1 64540U 25135N 26187.89258685 .00014240 00000-0 44264-3 0 9994

2 64540 97.4630 305.5753 0004008 124.5317 235.6304 15.33441266 58059

▸ source OMM (JSON)

{
  "OBJECT_NAME": "ARCSTONE",
  "OBJECT_ID": "2025-135N",
  "EPOCH": "2026-07-06T21:25:19.504+00:00",
  "MEAN_MOTION": 15.33441266,
  "ECCENTRICITY": 0.0004008,
  "INCLINATION": 97.463,
  "RA_OF_ASC_NODE": 305.5753,
  "ARG_OF_PERICENTER": 124.5317,
  "MEAN_ANOMALY": 235.6304,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 64540,
  "REV_AT_EPOCH": 5805,
  "BSTAR": 0.00044264,
  "MEAN_MOTION_DOT": 0.0001424,
  "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	ARCSTONE
Operator	NASA Langley Research CenterHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Jun 23, 2025HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	5HIGHvia 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/64540

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