Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.522039E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-07-21T23:51:43+0800
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    1 Object 1

    AOE ID 28897
    NORAD ID 28897
    Object Type DEBRIS
    Country
    ESA ESA
    VS

    2 Object 2

    AOE ID 31497
    NORAD ID 31497
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter SSETI-EXPRESS DEB FENGYUN 1C DEB
    Time of Closest Approach 2026-07-22T08:02:54+0800
    Collision Probability (Pc) 3.522039E-6
    Miss Distance (km) 1.054 km
    Position X (km) -6702.714 -6703.671
    Position Y (km) -496.356 -496.023
    Position Z (km) 2045.821 2046.109
    Velocity X (km/s) -2.267 2.147
    Velocity Y (km/s) 0.971 1.319
    Velocity Z (km/s) -7.12 7.163

    Orbital Parameters 国际轨道数据源

    Parameter SSETI-EXPRESS DEB FENGYUN 1C DEB
    Semimajor Axis (a) 7026.382 km 7138.195 km
    Eccentricity (e) 0.001454 0.016835
    Inclination (i) 98.2978° 98.3903°
    RAAN 0.8583° 185.5441°
    Perigee Argument 83.1401° 42.4690°
    Mean Anomaly (M) 93.1401° 139.1275°
    Apogee 658.463 km 880.230 km
    Perigee 638.027 km 639.886 km
    Orbit Epoch 2026-07-21T12:33:37+0800 2026-07-21T01:06:42+0800

    SSETI-EXPRESS DEB & FENGYUN 1C DEB Collision Probability (Pc) Trend

    SSETI-EXPRESS DEB & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    SSETI-EXPRESS DEB & FENGYUN 1C DEB Miss Distance (Md) Trend

    SSETI-EXPRESS DEB & FENGYUN 1C DEB Miss Distance (Md) TrendNot Available

    SSETI-EXPRESS DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SSETI-EXPRESS DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SSETI-EXPRESS DEB

    No nearby objects data