Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.180098E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T13:15:55+0800
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    1 Object 1

    AOE ID 20893
    NORAD ID 20893
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 47894
    NORAD ID 47894
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB STARLINK-2354
    Time of Closest Approach 2026-09-12T15:02:54+0000
    Collision Probability (Pc) 1.180098E-4
    Conjunction Distance (km) 0.623 km
    Relative Speed (km/s) 14.672 km/s
    Conjunction Risk Parameters R (Radial): 0.431 | I (In-track): -0.141 | C (Cross-track): -0.427
    Collision Risk Index (CRI) 0.76
    X Position (km) -4384.86 -4384.792
    Position Y (km) 4265.057 4265.55
    Position Z (km) 3010.005 3010.38
    Velocity X (km/s) -1.562 -1.757
    Velocity Y (km/s) 3.189 -5.424
    Velocity Z (km/s) -6.775 5.101

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB STARLINK-2354
    Semimajor Axis (a) 6821.507 km 6822.245 km
    Eccentricity (e) 0.000380 0.000488
    Inclination (i) 98.0712° 53.1475°
    RAAN 309.7044° 126.7184°
    Perigee Argument 204.5190° 105.2766°
    Mean Anomaly (M) 280.2411° 254.8779°
    Apogee 445.963 km 447.436 km
    Perigee 440.777 km 440.780 km
    Orbit Epoch 2026-09-10T17:44:04+0000 2026-09-09T23:04:37+0000

    CZ-4 DEB & STARLINK-2354 Collision Probability (Pc) Trend

    CZ-4 DEB & STARLINK-2354 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & STARLINK-2354 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & STARLINK-2354 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2354Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2354Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data