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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.

Not visible in the next 10 days
Identifier
44340, 2019-036B
Orbit
LEO
Last TLE update
10 hours ago
Origin
Manufacturer
USN PGS
Mission
Operational Defense Tech/Sci
Bus & Motor
NPSAT, Unknown motor
Mass
83 kg wet, 83 kg dry
Launch date (UTC)
2019-06-25 (6 years ago)
Launch vehicle
FALCON HEAVY
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl + 2 Ant, 0.8 m
Radar Cross Section
0.314 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 10 hours ago
0 NPSAT1
1 44340U 19036B   25181.53553093  .00003681  00000-0  56578-3 0  9996
2 44340  24.0003 339.4314 0008128 211.0596 148.9419 14.69697717320611
Epoch: 2025-06-30T12:51Z
TLE epoch observation values (Epoch: 2025-06-30T12:51:09.872Z)
Latitude
0.00001°
Longitude
-132.20366°
Altitude
664.85 km
Speed
7.525 km/s
True Right ascension
22h 37m 43s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at epoch
Visualization orbit readout
Latitude
24.08337°
Longitude
-48.09894°
Altitude
663.501 km
Speed
7.528 km/s
Apparent Right ascension
01h 53m 53s
Apparent Declination
-8° 08' 31"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
10:38:02
Azimuth
292.444° WNW
Elevation
-36.113°
Doppler factor
1
Orbital elements
Apogee altitude
672.469 km
Perigee altitude
661.017 km
Semi-major axis
7,044.88 km
Eccentricity
0.00081
Inclination
24.0003°
RAAN
339.4314°
Arg. of periapsis
211.0596°
True anomaly
Unknown
Mean anomaly
148.9419°
Eccentric anomaly
Unknown
Mean motion
3.67056 °/min
Orbital period
98.08 mins
BSTAR
0.00056578
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NPSAT1 Visibility

Observer location: undefined°, undefined°

NPSAT1 is likely not visible in the next few days
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