Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.781305E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T09:44:39+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 68966
    NORAD ID 68966
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB STARLINK-36402
    Time of Closest Approach 2026-10-30T13:50:48+0000
    Collision Probability (Pc) 1.781305E-6
    Conjunction Distance (km) 2.48 km
    Relative Speed (km/s) 14.801 km/s
    Conjunction Risk Parameters R (Radial): -2.423 | I (In-track): 0.124 | C (Cross-track): -0.512
    Collision Risk Index (CRI) 0.4
    X Position (km) 3225.899 3224.313
    Position Y (km) 5937.626 5935.729
    Position Z (km) 1077.939 1077.755
    Velocity X (km/s) 0.443 -3.613
    Velocity Y (km/s) -1.628 3.06
    Velocity Z (km/s) 7.448 -5.993

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB STARLINK-36402
    Semimajor Axis (a) 6844.017 km 6840.867 km
    Eccentricity (e) 0.002817 0.000140
    Inclination (i) 98.6795° 53.1587°
    RAAN 60.5830° 259.6298°
    Perigee Argument 97.6255° 86.9624°
    Mean Anomaly (M) 262.8185° 80.4442°
    Apogee 485.161 km 463.688 km
    Perigee 446.599 km 461.772 km
    Orbit Epoch 2026-10-28T14:49:19+0000 2026-10-28T04:00:02+0000

    CZ-4 DEB & STARLINK-36402 Collision Probability (Pc) Trend

    CZ-4 DEB & STARLINK-36402 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & STARLINK-36402 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & STARLINK-36402 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36402Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36402Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data