Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.778309E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T08:16:58+0800
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    1 Object 1

    Name VRSS-2
    AOE ID 42954
    NORAD ID 42954
    Object Type PAYLOAD
    Country
    VE VE
    VS

    2 Object 2

    AOE ID 43430
    NORAD ID 43430
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter VRSS-2 CZ-4B DEB
    Time of Closest Approach 2026-09-13T10:29:50+0000
    Collision Probability (Pc) 4.778309E-6
    Conjunction Distance (km) 1.489 km
    Relative Speed (km/s) 8.645 km/s
    Conjunction Risk Parameters R (Radial): -1.484 | I (In-track): 0.076 | C (Cross-track): 0.062
    Collision Risk Index (CRI) 0.49
    X Position (km) -2522.107 -2521.635
    Position Y (km) 5304.138 5303.032
    Position Z (km) 3789.267 3788.39
    Velocity X (km/s) -0.629 -6.817
    Velocity Y (km/s) 4.184 -0.936
    Velocity Z (km/s) -6.265 -3.069

    Orbital Parameters 国际轨道数据源

    Parameter VRSS-2 CZ-4B DEB
    Semimajor Axis (a) 7003.795 km 6953.955 km
    Eccentricity (e) 0.001843 0.012124
    Inclination (i) 97.8533° 42.9915°
    RAAN 289.6995° 349.4623°
    Perigee Argument 166.3109° 357.1390°
    Mean Anomaly (M) 193.8607° 2.8746°
    Apogee 638.569 km 660.125 km
    Perigee 612.747 km 491.511 km
    Orbit Epoch 2026-09-12T19:14:42+0000 2026-09-11T13:06:07+0000

    VRSS-2 & CZ-4B DEB Collision Probability (Pc) Trend

    VRSS-2 & CZ-4B DEB Collision Probability (Pc) TrendNot Available

    VRSS-2 & CZ-4B DEB Miss Distance (Miss Distance) Trend

    VRSS-2 & CZ-4B DEB Miss Distance (Miss Distance) TrendNot Available

    VRSS-2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    VRSS-2Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with VRSS-2

    No nearby objects data