loading
DOY 175 | 2024-06-23T17:15:04Z
Showing default

OPS 3674 (VELA 4), 837

Orbit data source: Space-Track

OPS 3674 (VELA 4), 837 is a payload satellite owned by USAF SSD (US) in HEO that was launched on Fri, 17 Jul 1964 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.

Loading next visibility...
Loading greatness...
OPS 3674 (VELA 4) details
NORAD ID837
COSPAR ID
1964-040B
Orbit
HEO
Last TLE update18 hours ago
Origin
Flag of USUSAF SSD (US)
ManufacturerTRW
BusVela
MotorBE-3
Mass~217 kg wet, 125 kg dry
Launch date (UTC)
1964-07-17 (60 years ago)
Launch vehicle
Atlas Agena D
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Radar Cross SectionMedium (>0.1 m² and <1 m²)
Predictive object data (real-time)
Latitude12.30608°
Longitude-105.32571°
Altitude101,220.327 km
Speed1.94 km/s
Apparent Right ascension10h 03m 57s
Apparent Declination10° 13' 08"
Sunlit
Object is in daylight
Predictive observer data (real-time)
Local Sidereal Time04:24:03
Azimuth85.292° E
Elevation10.368°
Doppler factor1
Orbital elements
Apogee142,067.338 km
Perigee63,944.533 km
Semi-major axis109,384.073 km
Eccentricity0.3571032
Inclination48.2243°
RAAN137.3316°
Arg. of periapsis267.8232°
True anomaly1.24743°
Mean anomaly0.552°
Mean motion0.05999 °/min
BSTARUnknown
Period6000.54 mins
Definitive object data (Epoch: 2024-06-22T22:48:11.188Z)
Latitude-48.18158°
Longitude152.80312°
Altitude64,177.029 km
Speed2.767 km/s
True Right ascension03h 05m 49s
True Declination-48° 09' 52"
Sunlit
Object was in daylight at TLE epoch
TLE from 18 hours ago
0 OPS 3674 (VELA 4)
1 00837U 64040B   24174.95012950  .00000499  00000-0  00000-0 0  9993
2 00837  48.2243 137.3316 3571032 267.8232   0.5520  0.23997860 52988
Epoch: 2024-06-22T22:48Z
No data available
Other satellites on launch #40 in the year 1964 (1964-07-17 UTC)

OPS 3674 (VELA 4) Visibility forecast

Observer location: 39.9160978°, -105.1181434, 0m alt.

OPS 3674 (VELA 4) is not visible in the next 10 days
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.