Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.722376E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T16:30:21+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 56009
    NORAD ID 56009
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB STARLINK-5964
    Time of Closest Approach 2026-10-30T10:29:23+0000
    Collision Probability (Pc) 1.722376E-5
    Conjunction Distance (km) 1.105 km
    Relative Speed (km/s) 12.698 km/s
    Conjunction Risk Parameters R (Radial): 0.112 | I (In-track): 0.615 | C (Cross-track): -0.91
    Collision Risk Index (CRI) 0.6
    X Position (km) 1704.745 1704.223
    Position Y (km) 4828.523 4829.351
    Position Z (km) -4570.596 -4570.083
    Velocity X (km/s) 3.098 -7.375
    Velocity Y (km/s) 4.154 1.546
    Velocity Z (km/s) 5.571 -1.117

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB STARLINK-5964
    Semimajor Axis (a) 6844.078 km 6861.181 km
    Eccentricity (e) 0.002819 0.000158
    Inclination (i) 98.6795° 43.0003°
    RAAN 59.7410° 191.5416°
    Perigee Argument 100.0540° 264.0263°
    Mean Anomaly (M) 260.3882° 157.4373°
    Apogee 485.236 km 484.129 km
    Perigee 446.646 km 481.959 km
    Orbit Epoch 2026-10-27T21:35:37+0000 2026-10-27T22:00:02+0000

    CZ-4 DEB & STARLINK-5964 Collision Probability (Pc) Trend

    CZ-4 DEB & STARLINK-5964 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & STARLINK-5964 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & STARLINK-5964 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5964Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5964Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data