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AstraOps

NASA/JPL close-approach calculations

Near-Earth approaches, without the alarmism.

A close approach is a distance measurement, not an impact prediction. Compare nominal distance, uncertainty, relative speed, and what is—or is not—known about size.

2 results · fixture demonstration

Approach feed

Sorted by date

  • AstraOps fixture object A

    ASTRA-DEMO-A

    JPL computed
    Approach · UTC
    Sep 20, 2026, 11:58 AM
    Nominal distance
    1,869,973 km
    4.865 LD
    Relative velocity
    8.25 km/s
    Diameter
    0.18 km

    Passes between one and five mean lunar distances from Earth.

  • AstraOps fixture object B

    ASTRA-DEMO-B

    JPL computed
    Approach · UTC
    Oct 11, 2026, 3:23 PM
    Nominal distance
    2,991,957 km
    7.783 LD
    Relative velocity
    4.1 km/s
    Diameter
    Unknown—not supplied

    Passes at least five mean lunar distances from Earth.