Showing default

VELA 2, 674

Orbit data source: Space-Track

VELA 2, 674 is a payload satellite owned by USAF SSD (US) in HEO that was launched on Thu, 17 Oct 1963 UTC via an ATLAS AGENA D launch vehicle from the Air Force Eastern Test Range (AFETR). 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.

Not visible in the next 10 days

Identifier	674, 1963-039A
Orbit	HEO
Last TLE update	in 3 days
Origin	USAF SSD (US)
Manufacturer	TRW
Mission	Defense Early Warn
Bus & Motor	VELA, BE3A
Mass	~217 kg wet, 115 kg dry
Launch date (UTC)	1963-10-17 (61 years ago)
Launch vehicle	ATLAS AGENA D
Launch site	Air Force Eastern Test Range (AFETR)
Object type	Payload Rocket body Debris
Shape & HBR	Poly, 1.4 m
Radar Cross Section	2.240 m², Small (<0.1 m²)

Expand to show TLE details & history

TLE from in 3 days

0 VELA 2
1 00674U 63039A   25085.10805720  .00000134  00000-0  00000-0 0  9999
2 00674  46.4861 111.4458 4467857  83.6075   0.8222  0.22202306  8382

Epoch: 2025-03-26T02:35Z

Definitive object data (Epoch: 2025-03-26T02:35:36.142Z)

Latitude	46.173°
Longitude	-28.65527°
Altitude	56,686.59 km
Speed	3.03 km/s
True Right ascension	12h 56m 10s
True Declination	46° 09' 13"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	-36.68311°
Longitude	114.16769°
Altitude	146,167.428 km
Speed	1.329 km/s
Apparent Right ascension	22h 20m 13s
Apparent Declination	-37° 13' 29"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	06:51:26
Azimuth	256.521° W
Elevation	-49.686°
Doppler factor	1

Orbital elements

Apogee altitude	160,298.483 km
Perigee altitude	57,354.791 km
Semi-major axis	115,204.774 km
Eccentricity	0.4467857
Inclination	46.4861°
RAAN	111.4458°
Arg. of periapsis	83.6075°
True anomaly	2.40304°
Mean anomaly	0.8222°
Eccentric anomaly	1.48609°
Mean motion	0.05551 °/min
BSTAR	Unknown
Orbital period	6485.82 mins