▸ Orbital parametersOrbit class HEO Inclination 72.4816° Eccentricity 0.8311765 Period 5083.2 min Apogee 172,951 km Perigee 10,155 km Mean motion 0.28328446 rev/day RAAN 348.5531° Arg of perigee 167.9191° Mean anomaly 185.1997° B* 0.0000e+0 Rev at epoch 133
▸ Two-line element set (TLE)EPOCH Jul 7, 2026 SOURCE CelesTrak DERIVED current UPDATED Jul 7, 2026
1 40483U 15011B 26188.25002315 -.00000659 00000-0 00000-0 0 9991copy
2 40483 72.4816 348.5531 8311765 167.9191 185.1997 0.28328446 1337copy
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▸ source OMM (JSON) {
"OBJECT_NAME": "MMS 2",
"OBJECT_ID": "2015-011B",
"EPOCH": "2026-07-07T06:00:02+00:00",
"MEAN_MOTION": 0.28328446,
"ECCENTRICITY": 0.8311765,
"INCLINATION": 72.4816,
"RA_OF_ASC_NODE": 348.5531,
"ARG_OF_PERICENTER": 167.9191,
"MEAN_ANOMALY": 185.1997,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 40483,
"REV_AT_EPOCH": 133,
"BSTAR": 0,
"MEAN_MOTION_DOT": -0.00000659,
"MEAN_MOTION_DDOT": 0
} copy 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 metadataName MMS 2
Operator National Aeronautics and Space Administration MEDIUM via Wikidata Country United States
Launch date Launch mass (kg)
▸ Data qualityClaims 8
Sources 3
TLE available
▸ SourcesOrbitalWiki manual curation CC-BY 4.0
// Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.