▸Orbital parameters

Orbit class	SSO
Inclination	97.4181°
Eccentricity	0.0000831
Period	94.7 min
Apogee	507 km
Perigee	506 km
Mean motion	15.19794504 rev/day
RAAN	260.8983°
Arg of perigee	235.8947°
Mean anomaly	124.2210°
B*	1.9567e-4
Rev at epoch	3,338

▸Two-line element set (TLE)

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

1 66742U 25276CE 26187.68792877 .00004121 00000-0 19567-3 0 9994

2 66742 97.4181 260.8983 0000831 235.8947 124.2210 15.19794504 33387

▸ source OMM (JSON)

{
  "OBJECT_NAME": "MERCURY ONE (M1)",
  "OBJECT_ID": "2025-276CE",
  "EPOCH": "2026-07-06T16:30:37.046+00:00",
  "MEAN_MOTION": 15.19794504,
  "ECCENTRICITY": 0.0000831,
  "INCLINATION": 97.4181,
  "RA_OF_ASC_NODE": 260.8983,
  "ARG_OF_PERICENTER": 235.8947,
  "MEAN_ANOMALY": 124.221,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 66742,
  "REV_AT_EPOCH": 3338,
  "BSTAR": 0.00019567,
  "MEAN_MOTION_DOT": 0.00004121,
  "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	MERCURY ONE (M1)
Operator	Proteus Space, Inc.HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Nov 28, 2025HIGHvia 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/66742

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