Sky Tonight
ST
Location settings
Santa Clara, US
37.4°/-122°
GMT -9
Waxing18:57 - 03:26
  ⌕
☾
☰
Sky-Tonight.com / Satellite Flyovers / SL-12 R/B(2)
  • 🌐 EN
    ENDEESFRPT中文
  • Tonight
    • Brightest Planets and Stars Tonight
  • Solar System
    • Sun
    • Real-Time Sun Map
    • Sunspots Activity
    • Aurora Activity
    • Moon
    • Interactive Lunar Map
    • Planets
    • Mercury
    • Venus
    • Mars
    • Jupiter
    • Saturn
    • Satellite Flyovers
    • ISS
    • Close Approaches
  • Small Bodies
    • Asteroids
    • Comets
    • Recently Updated Comets
  • Stars
    • Brightest Stars
  • Meteor Showers
    • Active Meteor Showers
    • Major Meteor Showers
  • Solar Eclipses
    • Future Solar Eclipses
    • Past Solar Eclipses
  • Lunar Eclipses
    • Future Lunar Eclipses
    • Past Lunar Eclipses
  • Deep Sky Objects
    • Seasonal Nebulae
    • Messier Objects
    • Nebulae
    • Star Clusters
    • Galaxies
  • Double Stars
    • Naked-eye
    • Binocular
    • Physical pairs
    • Color-contrasting
    • Triple systems
    • Multiple systems
  • Constellations
    • Visible Tonight
    • Seasonal
    • Ecliptic
    • All 88 Constellations
  • Maps
    • Sky Map
    • Mars Map
    • Mercury Map
    • Earth
    • Cloud Cover Map
  • Contact Us
    • Feedback

Observation Settings

Or select it on the map:
This Earth map lets you select the observer’s location used to calculate the bearing and elevation of celestial objects. The selected point determines how the sky, rise and set times, and object positions are shown.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

SL-12 R/B(2) Tracker

Description

A designation for the upper stage of the Soviet Proton rocket, used for launching heavy payloads.

Satellite Tracking Data

Orbital altitude (km)
Velocity (km/s)
Elevation above horizon (°)
Azimuth (°)
RA, Dec (h, °)

Tonight’s SL-12 R/B(2) flyovers

SL-12 R/B(2)

Satellite pass tonight

SL-12 R/B(2)
↗ 20:15 ↘ 20:21 ↑ 30°
☼ 5.9 ✣ -
A designation for the upper stage of the Soviet Proton rocket, used for launching heavy payloads.
1 flyover expected tonight.
More about SL-12 R/B(2)
TLE orbital data are provided by Celestrak. These data are used to calculate satellite positions and local flyover predictions.
SGP4 prediction code adapted from shupp/Predict.