▸Orbital parameters

Orbit class	SSO
Inclination	97.5181°
Eccentricity	0.0003749
Period	93.0 min
Apogee	424 km
Perigee	419 km
Mean motion	15.48497071 rev/day
RAAN	2.0558°
Arg of perigee	41.2183°
Mean anomaly	318.9349°
B*	2.3885e-4
Rev at epoch	18,393

▸Two-line element set (TLE)

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

1 55974U 23039B 26188.14106588 .00012610 00000-0 23885-3 0 9994

2 55974 97.5181 2.0558 0003749 41.2183 318.9349 15.48497071183932

▸ source OMM (JSON)

{
  "OBJECT_NAME": "TIANMU-1 04",
  "OBJECT_ID": "2023-039B",
  "EPOCH": "2026-07-07T03:23:08.092+00:00",
  "MEAN_MOTION": 15.48497071,
  "ECCENTRICITY": 0.0003749,
  "INCLINATION": 97.5181,
  "RA_OF_ASC_NODE": 2.0558,
  "ARG_OF_PERICENTER": 41.2183,
  "MEAN_ANOMALY": 318.9349,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 55974,
  "REV_AT_EPOCH": 18393,
  "BSTAR": 0.00023885,
  "MEAN_MOTION_DOT": 0.0001261,
  "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	TIANMU-1 04
Operator	Aerospace Tianmu Satellite Tech. Co. Ltd.HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	China
Launch date	Mar 22, 2023HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	50HIGHvia 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/55974

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