▸Orbital parameters

Orbit class	SSO
Inclination	98.6041°
Eccentricity	0.0001665
Period	101.3 min
Apogee	822 km
Perigee	819 km
Mean motion	14.21492201 rev/day
RAAN	149.5200°
Arg of perigee	107.3451°
Mean anomaly	252.7909°
B*	3.6645e-5
Rev at epoch	4,924

▸Two-line element set (TLE)

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

1 64877U 25155B 26188.20061968 .00000037 00000-0 36645-4 0 9995

2 64877 98.6041 149.5200 0001665 107.3451 252.7909 14.21492201 49241

▸ source OMM (JSON)

{
  "OBJECT_NAME": "IONOSFERA-M 4",
  "OBJECT_ID": "2025-155B",
  "EPOCH": "2026-07-07T04:48:53.54+00:00",
  "MEAN_MOTION": 14.21492201,
  "ECCENTRICITY": 0.0001665,
  "INCLINATION": 98.6041,
  "RA_OF_ASC_NODE": 149.52,
  "ARG_OF_PERICENTER": 107.3451,
  "MEAN_ANOMALY": 252.7909,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 64877,
  "REV_AT_EPOCH": 4924,
  "BSTAR": 0.000036645,
  "MEAN_MOTION_DOT": 3.7e-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	IONOSFERA-M 4
Operator	Joint Stock Corp. VNIIEMHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	Russia
Launch date	Jul 25, 2025HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	430HIGHvia 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/64877

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