MODE JPL TRUTH DATADATA JPL Horizons vectors onlyVIEW inclined realistic projection

Sun

Earth orbit

Selected object

Planet orbits

Verified objects only

Moon / labels

TESS - Orbital Diagram

JPL Horizons vector-track asteroid and comet orbit viewer for Planetary Defense Foundation. TESS plots sampled NASA/JPL Horizons position vectors for every listed object; if JPL vector data is unavailable, the object is marked unavailable instead of guessed.

Time flow

28 days / second • heliocentric AU projection

Object

Apophis

Classification

a / q

—

e / i

—

MOID

—

PHA

—

Last vector refreshchecking

Loading orbital elements…

Mission note: Horizons truth mode: selected-object paths are drawn from NASA/JPL Horizons sampled vector points, not local guessed propagation. No object path is projected unless a Horizons vector track is available. For official navigation, impact probability, or risk assessment, use JPL/CNEOS official products.

Close Approach Watch

Horizons vectorschecking

CNEOS CADchecking

SBDBchecking

NASA/JPL data freshness is checked client-side from the loaded public assets.

Open full NEO Watch dashboard

Loading CNEOS CAD…

Mission Controls

Source Status

SBDBloading

CNEOS CADloading