Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.939654E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:39:24+0800
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    1 Object 1

    AOE ID 54318
    NORAD ID 54318
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 61554
    NORAD ID 61554
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-6A DEB QIANFAN-21
    Time of Closest Approach 2026-09-13T11:27:21+0000
    Collision Probability (Pc) 1.939654E-6
    Conjunction Distance (km) 2.35 km
    Relative Speed (km/s) 14.353 km/s
    Conjunction Risk Parameters R (Radial): 1.899 | I (In-track): -0.373 | C (Cross-track): 1.334
    Collision Risk Index (CRI) 0.41
    X Position (km) -1440.604 -1441.416
    Position Y (km) -1258.149 -1257.125
    Position Z (km) 6926.853 6924.901
    Velocity X (km/s) 1.584 -5.069
    Velocity Y (km/s) 7.115 -5.084
    Velocity Z (km/s) 1.61 -1.982

    Orbital Parameters 国际轨道数据源

    Parameter CZ-6A DEB QIANFAN-21
    Semimajor Axis (a) 7230.552 km 7193.611 km
    Eccentricity (e) 0.005276 0.001031
    Inclination (i) 98.8492° 88.9761°
    RAAN 252.5969° 45.1035°
    Perigee Argument 97.5953° 184.5579°
    Mean Anomaly (M) 263.1216° 175.5520°
    Apogee 890.567 km 822.893 km
    Perigee 814.263 km 808.055 km
    Orbit Epoch 2026-09-10T13:22:05+0000 2026-09-10T22:12:12+0000

    CZ-6A DEB & QIANFAN-21 Collision Probability (Pc) Trend

    CZ-6A DEB & QIANFAN-21 Collision Probability (Pc) TrendNot Available

    CZ-6A DEB & QIANFAN-21 Miss Distance (Miss Distance) Trend

    CZ-6A DEB & QIANFAN-21 Miss Distance (Miss Distance) TrendNot Available

    CZ-6A DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-21Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-6A DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-21Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-6A DEB

    No nearby objects data