Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.592754E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:42:47+0800
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    1 Object 1

    AOE ID 28071
    NORAD ID 28071
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 61568
    NORAD ID 61568
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4 DEB QIANFAN-35
    Time of Closest Approach 2026-09-11T18:00:27+0000
    Collision Probability (Pc) 3.592754E-5
    Conjunction Distance (km) 0.911 km
    Relative Speed (km/s) 14.033 km/s
    Conjunction Risk Parameters R (Radial): 0.908 | I (In-track): -0.019 | C (Cross-track): -0.068
    Collision Risk Index (CRI) 0.66
    X Position (km) 999.924 999.831
    Position Y (km) 1169.646 1169.436
    Position Z (km) 6996.409 6995.528
    Velocity X (km/s) 7.348 -5.188
    Velocity Y (km/s) 0.597 -5.119
    Velocity Z (km/s) -1.068 1.591

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB QIANFAN-35
    Semimajor Axis (a) 7154.833 km 7175.388 km
    Eccentricity (e) 0.010658 0.000851
    Inclination (i) 98.6147° 88.9830°
    RAAN 184.2266° 44.9463°
    Perigee Argument 1.1194° 106.6809°
    Mean Anomaly (M) 63.3126° 253.5321°
    Apogee 852.951 km 803.359 km
    Perigee 700.441 km 791.143 km
    Orbit Epoch 2026-09-10T01:40:36+0000 2026-09-10T19:47:18+0000

    CZ-4 DEB & QIANFAN-35 Collision Probability (Pc) Trend

    CZ-4 DEB & QIANFAN-35 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & QIANFAN-35 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & QIANFAN-35 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-35Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-35Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data