NPSAT1, 44340
Orbit data source: Space-Track
NPSAT1, 44340 is a payload satellite owned by USN PGS (US) in LEO that was launched on Tue, 25 Jun 2019 UTC via an FALCON HEAVY launch vehicle from the Air Force Eastern Test Range (AFETR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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44340 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
USN PGS
Mission
Operational Defense Tech/Sci
Bus & Motor
NPSAT, Unknown motor
Mass
83 kg wet, 83 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Ant, 0.4 m
Radar Cross Section
0.314 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 20 hours ago
TLE from 20 hours ago
0 NPSAT1
1 44340U 19036B 26316.39477359 .00006081 00000-0 83236-3 0 9999
2 44340 24.0001 331.5883 0008238 89.4371 270.7070 14.75776830394409Epoch: 2026-11-12T09:28Z
TLE epoch observation values (Epoch: 2026-11-12T09:28:28.438Z)
Latitude
0.00003°
Longitude
137.94099°
Altitude
640.529 km
Speed
7.541 km/s
True Right ascension
22h 06m 21s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
02:06:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
653.197 km
Perigee altitude
641.622 km
Semi-major axis
7,025.546 km
Eccentricity
0.00082
Inclination
24.0001°
RAAN
331.5883°
Arg. of periapsis
89.4371°
True anomaly
270.61261°
Mean anomaly
270.707°
Eccentric anomaly
270.6598°
Mean motion
3.68573 °/min
Orbital period
97.67 mins
BSTAR
0.00083236
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Other satellites on launch #36 in the year 2019 (2019-06-25 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.NPSAT1 Visibility
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
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| NPSAT1 is likely not visible in the next few days. |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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