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Free Cosmic Observatory — Live Universe Data

Asteroids Near Earth Today · ISS Live Position · Voyager Real-Time Distance · Your Weight on Other Planets

Universe Age

—

billion years (ticking live)

Asteroids Near Earth Today

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tracked by NASA

ISS Speed

27,580

km/h (7.66 km/s)

Voyager 1 Distance

—

billion km from Earth

Asteroids Approaching Earth Today — NASA NEO

Near-Earth Objects — Close Approach Data Loading...

Name	Size (m)	Speed (km/s)	Miss Distance	Hazardous
Fetching NASA data...

Source: NASA Center for Near Earth Object Studies (CNEOS) · api.nasa.gov

ISS Current Location — Live

International Space Station —

ISS

Altitude: ~408 km Orbits: 15.5/day Updated: —

How Far Is Voyager Right Now?

Voyager 1 & 2 Real-Time Distance Calculated from known velocity

🛸 Voyager 1 — Launched Sep 5, 1977

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EarthNearest Star (4.24 ly)

🛸 Voyager 2 — Launched Aug 20, 1977

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EarthNearest Star (4.24 ly)

Light Travel Since You Opened This Page

Photon Distance Counter c = 299,792.458 km/s

0 km

Distance light has traveled since you loaded this page

Earth→Moon trips

Earth circumferences

Earth→Sun trips

To Mars (current avg)

Your Weight on Other Worlds

Gravitational Weight Calculator Enter your weight below

kg on Earth

Things You Didn't Know About the Universe

Deep Space Facts — Obscure & Verified UNCOMMON KNOWLEDGE

What's Happening in the Universe Right Now

Real-Time Cosmic Counters Since you opened this page

Free Cosmic Observatory — Live Universe Data You Won't Find Elsewhere

This free cosmic observatory dashboard brings together real-time data from multiple space agencies and scientific sources into a single, visually stunning interface. Unlike static astronomy websites or AI chatbots that can only tell you general facts, this tool shows you what is actually happening in space right now — from asteroids passing near Earth today to the exact position of the International Space Station overhead and the precise distance of Voyager 1 from our planet at this very second.

Asteroids Near Earth Today — Live NASA NEO Data

The asteroid tracker uses the NASA Center for Near Earth Object Studies (CNEOS) API to display every asteroid making a close approach to Earth today. For each object you can see the estimated diameter in metres, approach velocity in kilometres per second, miss distance in both lunar distances and kilometres, and whether NASA classifies it as a potentially hazardous asteroid. This is the same data used by planetary defence scientists — most people never see it presented this clearly. Search engines rarely surface this level of detail for queries like "asteroids near earth today" or "nearest asteroid to earth right now."

ISS Tracker, Voyager Distance & Cosmic Calculators

The ISS tracker shows the International Space Station's current position on a world map, updated every 5 seconds using the Open Notify API. The Voyager distance tracker calculates the real-time distance of both Voyager 1 and Voyager 2 from Earth based on their known velocities and launch dates — Voyager 1 travels at 17.0 km/s and has been flying since September 1977. The light speed calculator shows how far a photon has traveled since you opened the page, with comparisons to Earth-Moon distance, Earth circumference, and Earth-Sun distance. The planetary weight calculator lets you see your weight on all eight planets plus the Moon, Pluto, and the Sun.

Free — No Signup, No Ads, No Data Collection

This cosmic observatory is completely free to use with no registration required. It runs entirely in your browser using public NASA APIs and calculated astrophysical data. Every counter ticks in real time — the universe age, Voyager distances, light travel, and cosmic process counters all update live. It is one of over 50 free browser-based tools available at jasperbernaers.com.

Frequently Asked Questions — Cosmic Observatory

How many asteroids pass near Earth every day?

On any given day, NASA's CNEOS tracks between 5 and 25 near-Earth objects making close approaches. Most are small (under 50 metres) and pass at safe distances of millions of kilometres. However, several times per year, asteroids pass closer than the Moon (384,400 km). The dashboard shows all objects tracked for today with their exact miss distances.

What is a potentially hazardous asteroid?

NASA classifies an asteroid as potentially hazardous (PHA) if it is larger than 140 metres in diameter AND its orbit brings it within 0.05 astronomical units (7.5 million km) of Earth's orbit. There are currently about 2,300 known PHAs. Being classified as "potentially hazardous" does not mean an impact is expected — it means the orbit warrants careful monitoring.

Where is the ISS right now?

The ISS orbits Earth at approximately 408 km altitude, traveling at 27,580 km/h. It completes one orbit every ~92 minutes, meaning it circles the planet about 15.5 times per day. The dashboard updates the ISS position every 5 seconds using the Open Notify API. The station is visible from the ground as a bright moving "star" and can be seen from most locations on Earth at some point during the week.

How far is Voyager 1 from Earth?

Voyager 1 is currently over 24.5 billion kilometres from Earth (and increasing every second). It is the most distant human-made object, traveling at 17.0 km/s (61,200 km/h). At this speed, a radio signal from Voyager 1 takes over 22 hours to reach Earth. Voyager 1 entered interstellar space in August 2012, crossing the heliopause — the boundary where the Sun's influence ends.

How old is the universe?

The universe is approximately 13.787 billion years old, based on measurements of the cosmic microwave background radiation by the Planck satellite. This age is known to a precision of about 20 million years. The dashboard displays this age as a live counter, ticking forward in real time to illustrate the ongoing passage of cosmic time.

Is the data on this dashboard real?

Yes! Asteroid data comes from the NASA NEO API (api.nasa.gov), ISS position from Open Notify (api.open-notify.org), and Voyager distances are calculated from their known velocities and launch dates using real physics. The cosmic counters use established astrophysical rates. All data updates automatically.

Is this dashboard free?

Yes, completely free with no signup, no ads, and no data collection. It is one of 50+ free tools at jasperbernaers.com.