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USA 278, 42941

Orbit data source: Public

USA 278, 42941 is a payload satellite owned by NRO (US) that was launched on Sun, 24 Sep 2017 UTC via an ATLAS V 541 launch vehicle from the Air Force Western Test Range (AFWTR). Payloads include a variety of satellites, spacecraft, and rockets 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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USA 278 details

Identifier	42941, 2017-056A
Orbit	Unknown
Last TLE update	Unknown
Origin	NRO (US)
Manufacturer	Unknown (US)
Mission	Operational Defense Classified
Bus & Motor	UNK, UNK
Mass	~4,000 kg wet, ~3,000 kg dry
Launch date (UTC)	2017-09-24 (7 years ago)
Launch vehicle	ATLAS V 541
Launch site	Air Force Western Test Range (AFWTR)
Object type	Payload Rocket body Debris
Shape & HBR	Cyl + 2 Pan, 10 m
Radar Cross Section	34.716 m²

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Definitive object data

Latitude	Unknown
Longitude	Unknown
Altitude	Unknown
Speed	Unknown
True Right ascension	Unknown
True Declination	Unknown
Sunlit	N/A

Visualization observer readout

No trajectory is available.

Visualization observer readout

No trajectory is available.

Orbital elements

Apogee altitude	Unknown
Perigee altitude	Unknown
Semi-major axis	Unknown
Eccentricity	Unknown
Inclination	Unknown
RAAN	Unknown
Arg. of periapsis	Unknown
True anomaly	Unknown
Mean anomaly	Unknown
Eccentric anomaly	Unknown
Mean motion	Unknown
BSTAR	Unknown
Orbital period	Unknown