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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Edit Public Description
Identifier
Orbit
Last TLE update
14 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)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Ant, 0.4 m
Radar Cross Section
0.314 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & history
TLE from 14 hours ago
0 NPSAT1
1 44340U 19036B 25221.31912113 .00005253 00000-0 81758-3 0 9994
2 44340 23.9990 82.2602 0008640 297.7652 62.1967 14.70033966326477Epoch: 2025-08-09T07:39Z
TLE epoch observation values (Epoch: 2025-08-09T07:39:32.065Z)
Latitude
-0°
Longitude
9.32006°
Altitude
656.042 km
Speed
7.534 km/s
True Right ascension
05h 29m 02s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
14.82489°
Longitude
149.39007°
Altitude
663.953 km
Speed
7.526 km/s
Apparent Right ascension
17h 52m 34s
Apparent Declination
-23° 53' 51"
Sunlit
Visualization observer readout
Local Sidereal Time
11:33:53
Azimuth
106.096° ESE
Elevation
-18.483°
Doppler factor
1
Orbital elements
Apogee altitude
671.756 km
Perigee altitude
659.585 km
Semi-major axis
7,043.808 km
Eccentricity
0.00086
Inclination
23.999°
RAAN
82.2602°
Arg. of periapsis
297.7652°
True anomaly
62.28432°
Mean anomaly
62.1967°
Eccentric anomaly
62.24051°
Mean motion
3.6714 °/min
Orbital period
98.06 mins
BSTAR
0.00081758
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Other satellites on launch #36 in the year 2019 (2019-06-25 UTC)
NPSAT1 Visibility
Observer location: undefined°, undefined°
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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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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Authenticating...
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