Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.544364E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T00:02:55+0800
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    1 Object 1

    AOE ID 26205
    NORAD ID 26205
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 61558
    NORAD ID 61558
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4 DEB QIANFAN-25
    Time of Closest Approach 2026-09-10T21:46:14+0000
    Collision Probability (Pc) 8.544364E-6
    Conjunction Distance (km) 1.398 km
    Relative Speed (km/s) 14.936 km/s
    Conjunction Risk Parameters R (Radial): -0.901 | I (In-track): 0.122 | C (Cross-track): -1.06
    Collision Risk Index (CRI) 0.54
    X Position (km) -3941.488 -3941.247
    Position Y (km) -4393.795 -4395.111
    Position Z (km) -4206.376 -4206.782
    Velocity X (km/s) -3.793 2.99
    Velocity Y (km/s) -2.011 3.092
    Velocity Z (km/s) 6.248 -6.042

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB QIANFAN-25
    Semimajor Axis (a) 7589.622 km 7250.802 km
    Eccentricity (e) 0.064057 0.001182
    Inclination (i) 99.1614° 88.9823°
    RAAN 220.5816° 47.4676°
    Perigee Argument 13.6035° 200.3493°
    Mean Anomaly (M) 348.1478° 159.7220°
    Apogee 1697.652 km 881.240 km
    Perigee 725.318 km 864.090 km
    Orbit Epoch 2026-09-09T20:19:59+0000 2026-09-10T05:22:43+0000

    CZ-4 DEB & QIANFAN-25 Collision Probability (Pc) Trend

    CZ-4 DEB & QIANFAN-25 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & QIANFAN-25 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & QIANFAN-25 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-25Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-25Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data