Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.312543E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T12:53:03+0800
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    1 Object 1

    AOE ID 26121
    NORAD ID 26121
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 52378
    NORAD ID 52378
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB STARLINK-3806
    Time of Closest Approach 2026-10-21T23:52:38+0000
    Collision Probability (Pc) 3.312543E-6
    Conjunction Distance (km) 1.892 km
    Relative Speed (km/s) 14.8 km/s
    Conjunction Risk Parameters R (Radial): 1.314 | I (In-track): -0.351 | C (Cross-track): -1.315
    Collision Risk Index (CRI) 0.45
    X Position (km) -4212.744 -4214.58
    Position Y (km) -5287.447 -5287.752
    Position Z (km) -1051.628 -1051.288
    Velocity X (km/s) -0.205 3.044
    Velocity Y (km/s) 1.613 -3.61
    Velocity Z (km/s) -7.463 5.998

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB STARLINK-3806
    Semimajor Axis (a) 6845.051 km 6840.849 km
    Eccentricity (e) 0.002833 0.000129
    Inclination (i) 98.6774° 53.1565°
    RAAN 49.7153° 250.6175°
    Perigee Argument 129.1017° 94.2027°
    Mean Anomaly (M) 231.2748° 265.9123°
    Apogee 486.309 km 463.596 km
    Perigee 447.519 km 461.828 km
    Orbit Epoch 2026-10-19T08:23:57+0000 2026-10-19T07:49:57+0000

    CZ-4 DEB & STARLINK-3806 Collision Probability (Pc) Trend

    CZ-4 DEB & STARLINK-3806 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & STARLINK-3806 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & STARLINK-3806 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3806Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3806Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data