▸Orbital parameters

Orbit class	SSO
Inclination	97.3816°
Eccentricity	0.0003895
Period	95.0 min
Apogee	520 km
Perigee	515 km
Mean motion	15.16116483 rev/day
RAAN	258.9658°
Arg of perigee	144.7960°
Mean anomaly	215.3531°
B*	1.5402e-4
Rev at epoch	6,304

▸Two-line element set (TLE)

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

1 64051U 25103D 26188.22800882 .00002903 00000-0 15402-3 0 9991

2 64051 97.3816 258.9658 0003895 144.7960 215.3531 15.16116483 63040

▸ source OMM (JSON)

{
  "OBJECT_NAME": "TIANYI D",
  "OBJECT_ID": "2025-103D",
  "EPOCH": "2026-07-07T05:28:19.962+00:00",
  "MEAN_MOTION": 15.16116483,
  "ECCENTRICITY": 0.0003895,
  "INCLINATION": 97.3816,
  "RA_OF_ASC_NODE": 258.9658,
  "ARG_OF_PERICENTER": 144.796,
  "MEAN_ANOMALY": 215.3531,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 64051,
  "REV_AT_EPOCH": 6304,
  "BSTAR": 0.00015402,
  "MEAN_MOTION_DOT": 0.00002903,
  "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	TIANYI D
Operator	Zhangye Constellation Space Tech. Co. Ltd. / Nanchang Hangkong (Aeronautics) Univ.HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	China
Launch date	May 17, 2025HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	300HIGHvia 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/64051

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