Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.799927E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T09:33:26+0800
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    1 Object 1

    AOE ID 20090
    NORAD ID 20090
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    Name SPHEREX
    AOE ID 63182
    NORAD ID 63182
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 397 DEB SPHEREX
    Time of Closest Approach 2026-09-06T02:00:05+0000
    Collision Probability (Pc) 2.799927E-6
    Conjunction Distance (km) 1.942 km
    Relative Speed (km/s) 12.671 km/s
    Conjunction Risk Parameters R (Radial): 0.587 | I (In-track): 1.015 | C (Cross-track): -1.547
    Collision Risk Index (CRI) 0.44
    X Position (km) -21.779 -20.65
    Position Y (km) 2903.498 2901.921
    Position Z (km) -6399.34 -6399.414
    Velocity X (km/s) -7.582 2.479
    Velocity Y (km/s) -0.655 6.474
    Velocity Z (km/s) 0.017 2.929

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 397 DEB SPHEREX
    Semimajor Axis (a) 7188.266 km 7025.858 km
    Eccentricity (e) 0.041562 0.000916
    Inclination (i) 65.6736° 97.9600°
    RAAN 193.5654° 70.8483°
    Perigee Argument 327.7326° 303.2417°
    Mean Anomaly (M) 61.5140° 56.7913°
    Apogee 1108.886 km 654.159 km
    Perigee 511.372 km 641.283 km
    Orbit Epoch 2026-09-02T21:02:35+0000 2026-09-04T11:12:29+0000

    COSMOS 397 DEB & SPHEREX Collision Probability (Pc) Trend

    COSMOS 397 DEB & SPHEREX Collision Probability (Pc) TrendNot Available

    COSMOS 397 DEB & SPHEREX Miss Distance (Miss Distance) Trend

    COSMOS 397 DEB & SPHEREX Miss Distance (Miss Distance) TrendNot Available

    COSMOS 397 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SPHEREXMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 397 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SPHEREXCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 397 DEB

    No nearby objects data