Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.00556E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:11:50+0800
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    1 Object 1

    AOE ID 34459
    NORAD ID 34459
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 61559
    NORAD ID 61559
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2251 DEB QIANFAN-26
    Time of Closest Approach 2026-10-22T02:05:15+0000
    Collision Probability (Pc) 1.00556E-6
    Conjunction Distance (km) 2.209 km
    Relative Speed (km/s) 3.785 km/s
    Conjunction Risk Parameters R (Radial): -0.428 | I (In-track): -2.101 | C (Cross-track): -0.524
    Collision Risk Index (CRI) 0.35
    X Position (km) 2739.673 2738.716
    Position Y (km) 2673.516 2671.655
    Position Z (km) -6288.7 -6289.406
    Velocity X (km/s) 1.06 4.317
    Velocity Y (km/s) 6.422 4.56
    Velocity Z (km/s) 3.321 3.817

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB QIANFAN-26
    Semimajor Axis (a) 7268.933 km 7349.284 km
    Eccentricity (e) 0.019058 0.000727
    Inclination (i) 74.0779° 88.9884°
    RAAN 75.7012° 46.1238°
    Perigee Argument 70.7681° 137.5679°
    Mean Anomaly (M) 291.3964° 222.6051°
    Apogee 1029.326 km 976.489 km
    Perigee 752.266 km 965.805 km
    Orbit Epoch 2026-10-20T02:23:56+0000 2026-10-20T12:01:53+0000

    COSMOS 2251 DEB & QIANFAN-26 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & QIANFAN-26 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & QIANFAN-26 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & QIANFAN-26 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-26Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-26Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data