Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.802691E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:39:22+0800
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    1 Object 1

    AOE ID 54320
    NORAD ID 54320
    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 2026-09-11T21:51:36+0000
    Collision Probability (Pc) 3.802691E-5
    Conjunction Distance (km) 0.907 km
    Relative Speed (km/s) 14.891 km/s
    Conjunction Risk Parameters R (Radial): -0.853 | I (In-track): 0.007 | C (Cross-track): 0.306
    Collision Risk Index (CRI) 0.67
    X Position (km) 5056.409 5056.794
    Position Y (km) 5073.059 5073.877
    Position Z (km) 755.761 755.838
    Velocity X (km/s) 1.373 -0.652
    Velocity Y (km/s) -0.283 -0.465
    Velocity Z (km/s) -7.357 7.394

    Orbital Parameters 国际轨道数据源

    Parameter CZ-6A DEB QIANFAN-21
    Semimajor Axis (a) 7296.044 km 7193.611 km
    Eccentricity (e) 0.013284 0.001031
    Inclination (i) 98.9614° 88.9761°
    RAAN 222.7155° 45.1035°
    Perigee Argument 187.0700° 184.5579°
    Mean Anomaly (M) 172.8590° 175.5520°
    Apogee 1014.827 km 822.893 km
    Perigee 820.987 km 808.055 km
    Orbit Epoch 2026-09-10T10:33:05+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