Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.729028E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-11T13:44:45+0800
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    1 Object 1

    AOE ID 26827
    NORAD ID 26827
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69405
    NORAD ID 69405
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB QIANFAN-187
    Time of Closest Approach 2026-10-13T08:04:22+0000
    Collision Probability (Pc) 1.729028E-6
    Conjunction Distance (km) 2.036 km
    Relative Speed (km/s) 7.071 km/s
    Conjunction Risk Parameters R (Radial): 1.675 | I (In-track): 1.006 | C (Cross-track): -0.572
    Collision Risk Index (CRI) 0.4
    X Position (km) -183.611 -184.228
    Position Y (km) -1575.242 -1576.573
    Position Z (km) -7283.433 -7284.843
    Velocity X (km/s) -6.323 -0.224
    Velocity Y (km/s) -3.614 -7.132
    Velocity Z (km/s) 0.905 1.55

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB QIANFAN-187
    Semimajor Axis (a) 7520.067 km 7446.611 km
    Eccentricity (e) 0.010864 0.000244
    Inclination (i) 99.7787° 88.9893°
    RAAN 208.3197° 268.2297°
    Perigee Argument 257.5947° 89.6264°
    Mean Anomaly (M) 281.5214° 270.5166°
    Apogee 1223.631 km 1070.289 km
    Perigee 1060.229 km 1066.659 km
    Orbit Epoch 2026-10-10T12:50:49+0000 2026-10-10T21:48:01+0000

    DELTA 1 DEB & QIANFAN-187 Collision Probability (Pc) Trend

    DELTA 1 DEB & QIANFAN-187 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & QIANFAN-187 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & QIANFAN-187 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-187Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-187Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data