Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.627448E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T00:46:18+0800
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    1 Object 1

    AOE ID 38184
    NORAD ID 38184
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 52697
    NORAD ID 52697
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B DEB STARLINK-4018
    Time of Closest Approach 2026-09-04T21:38:19+0000
    Collision Probability (Pc) 1.627448E-5
    Conjunction Distance (km) 0.961 km
    Relative Speed (km/s) 5.882 km/s
    Conjunction Risk Parameters R (Radial): -0.884 | I (In-track): -0.344 | C (Cross-track): 0.142
    Collision Risk Index (CRI) 0.59
    X Position (km) -2483.799 -2484.007
    Position Y (km) -6263.84 -6264.629
    Position Z (km) -1164.507 -1165.013
    Velocity X (km/s) -0.503 4.696
    Velocity Y (km/s) 1.568 -0.758
    Velocity Z (km/s) -7.443 -5.974

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB STARLINK-4018
    Semimajor Axis (a) 6812.454 km 6837.927 km
    Eccentricity (e) 0.003437 0.000054
    Inclination (i) 97.7706° 53.1605°
    RAAN 66.5710° 74.5156°
    Perigee Argument 36.3830° 99.6537°
    Mean Anomaly (M) 323.9744° 243.8099°
    Apogee 457.733 km 460.161 km
    Perigee 410.901 km 459.419 km
    Orbit Epoch 2026-09-01T22:50:06+0000 2026-09-02T00:00:02+0000

    CZ-4B DEB & STARLINK-4018 Collision Probability (Pc) Trend

    CZ-4B DEB & STARLINK-4018 Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & STARLINK-4018 Miss Distance (Miss Distance) Trend

    CZ-4B DEB & STARLINK-4018 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4018Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4018Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data