Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.677263E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T08:51:02+0800
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    1 Object 1

    AOE ID 35270
    NORAD ID 35270
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66120
    NORAD ID 66120
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB STARLINK-35553
    Time of Closest Approach 2026-10-22T00:30:40+0000
    Collision Probability (Pc) 1.677263E-6
    Conjunction Distance (km) 2.563 km
    Relative Speed (km/s) 14.749 km/s
    Conjunction Risk Parameters R (Radial): 2.535 | I (In-track): 0.092 | C (Cross-track): 0.367
    Collision Risk Index (CRI) 0.39
    X Position (km) 1766.482 1766.809
    Position Y (km) 6401.281 6403.78
    Position Z (km) 1626.184 1626.649
    Velocity X (km/s) 1.526 -4.925
    Velocity Y (km/s) 1.483 -0.132
    Velocity Z (km/s) -7.328 5.836

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB STARLINK-35553
    Semimajor Axis (a) 6823.492 km 6840.844 km
    Eccentricity (e) 0.004454 0.000040
    Inclination (i) 97.8783° 53.1610°
    RAAN 249.5193° 74.9775°
    Perigee Argument 59.4329° 44.0451°
    Mean Anomaly (M) 301.1299° 316.0583°
    Apogee 475.749 km 462.979 km
    Perigee 414.961 km 462.435 km
    Orbit Epoch 2026-10-19T03:12:13+0000 2026-10-19T16:09:38+0000

    CZ-4 DEB & STARLINK-35553 Collision Probability (Pc) Trend

    CZ-4 DEB & STARLINK-35553 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & STARLINK-35553 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & STARLINK-35553 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35553Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35553Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data