Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    7.382152E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T04:47:51+0800
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    1 Object 1

    AOE ID 4205
    NORAD ID 4205
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 61557
    NORAD ID 61557
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter THORAD AGENA D DEB QIANFAN-24
    Time of Closest Approach 2026-09-11T02:18:30+0000
    Collision Probability (Pc) 7.382152E-5
    Conjunction Distance (km) 0.708 km
    Relative Speed (km/s) 12.454 km/s
    Conjunction Risk Parameters R (Radial): -0.404 | I (In-track): -0.317 | C (Cross-track): 0.486
    Collision Risk Index (CRI) 0.72
    X Position (km) -1845.538 -1845.988
    Position Y (km) -2039.305 -2039.053
    Position Z (km) -6655.937 -6655.452
    Velocity X (km/s) 2.859 4.857
    Velocity Y (km/s) -6.72 4.85
    Velocity Z (km/s) 1.31 -2.841

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB QIANFAN-24
    Semimajor Axis (a) 7172.168 km 7189.490 km
    Eccentricity (e) 0.006259 0.001132
    Inclination (i) 70.0600° 88.9818°
    RAAN 290.7000° 45.4414°
    Perigee Argument 42.5227° 125.0909°
    Mean Anomaly (M) 318.0719° 235.1347°
    Apogee 838.919 km 819.491 km
    Perigee 749.143 km 803.215 km
    Orbit Epoch 2026-09-10T11:33:47+0000 2026-09-10T13:20:48+0000

    THORAD AGENA D DEB & QIANFAN-24 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & QIANFAN-24 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & QIANFAN-24 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & QIANFAN-24 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-24Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-24Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data