▸Orbital parameters

Orbit class	SSO
Inclination	97.4458°
Eccentricity	0.0005751
Period	93.9 min
Apogee	471 km
Perigee	463 km
Mean motion	15.33079272 rev/day
RAAN	305.2327°
Arg of perigee	245.4775°
Mean anomaly	114.5868°
B*	1.9460e-4
Rev at epoch	14,048

▸Two-line element set (TLE)

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

1 58661U 23208B 26188.16902522 .00006141 00000-0 19460-3 0 9998

2 58661 97.4458 305.2327 0005751 245.4775 114.5868 15.33079272140488

▸ source OMM (JSON)

{
  "OBJECT_NAME": "TIANMU-1 20",
  "OBJECT_ID": "2023-208B",
  "EPOCH": "2026-07-07T04:03:23.779+00:00",
  "MEAN_MOTION": 15.33079272,
  "ECCENTRICITY": 0.0005751,
  "INCLINATION": 97.4458,
  "RA_OF_ASC_NODE": 305.2327,
  "ARG_OF_PERICENTER": 245.4775,
  "MEAN_ANOMALY": 114.5868,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 58661,
  "REV_AT_EPOCH": 14048,
  "BSTAR": 0.0001946,
  "MEAN_MOTION_DOT": 0.00006141,
  "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 20
Operator	Aerospace Tianmu Satellite Tech. Co. Ltd.HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	China
Launch date	Dec 27, 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/58661

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