Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.752549E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T21:27:44+0800
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    1 Object 1

    AOE ID 38481
    NORAD ID 38481
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 66042
    NORAD ID 66042
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2251 DEB QIANFAN-100
    Time of Closest Approach 2026-10-24T21:39:47+0000
    Collision Probability (Pc) 1.752549E-6
    Conjunction Distance (km) 2.452 km
    Relative Speed (km/s) 13.902 km/s
    Conjunction Risk Parameters R (Radial): -2.393 | I (In-track): -0.147 | C (Cross-track): -0.508
    Collision Risk Index (CRI) 0.4
    X Position (km) 3441.606 3440.638
    Position Y (km) 1865.505 1864.4
    Position Z (km) -6347.311 -6345.348
    Velocity X (km/s) -6.411 5.348
    Velocity Y (km/s) 0.857 3.171
    Velocity Z (km/s) -3.21 3.833

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB QIANFAN-100
    Semimajor Axis (a) 7285.961 km 7446.624 km
    Eccentricity (e) 0.022683 0.000165
    Inclination (i) 73.9306° 89.0112°
    RAAN 183.1607° 30.1296°
    Perigee Argument 60.5752° 115.8970°
    Mean Anomaly (M) 301.7809° 244.2352°
    Apogee 1073.090 km 1069.718 km
    Perigee 742.558 km 1067.256 km
    Orbit Epoch 2026-10-23T10:07:04+0000 2026-10-24T04:10:36+0000

    COSMOS 2251 DEB & QIANFAN-100 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & QIANFAN-100 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & QIANFAN-100 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & QIANFAN-100 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-100Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-100Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data