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
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, Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 NPSAT1
1 44340U 19036B 25290.87526179 .00011182 00000-0 17392-2 0 9994
2 44340 23.9997 352.1635 0008031 4.4875 355.5691 14.71127481336722Epoch: 2025-10-17T21:00Z
TLE epoch observation values (Epoch: 2025-10-17T21:00:22.618Z)
Latitude
-0.00003°
Longitude
10.45483°
Altitude
649.753 km
Speed
7.539 km/s
True Right ascension
23h 28m 39s
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
03:05:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
667.838 km
Perigee altitude
656.53 km
Semi-major axis
7,040.321 km
Eccentricity
0.0008
Inclination
23.9997°
RAAN
352.1635°
Arg. of periapsis
4.4875°
True anomaly
355.56198°
Mean anomaly
355.5691°
Eccentric anomaly
355.56554°
Mean motion
3.67413 °/min
Orbital period
97.98 mins
BSTAR
0.0017392
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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
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
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