Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.392026E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-11T20:35:19+0800
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    1 Object 1

    AOE ID 21972
    NORAD ID 21972
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63176
    NORAD ID 63176
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB QIANFAN-90
    Time of Closest Approach 2026-10-11T14:13:47+0000
    Collision Probability (Pc) 1.392026E-6
    Conjunction Distance (km) 2.897 km
    Relative Speed (km/s) 14.674 km/s
    Conjunction Risk Parameters R (Radial): -2.788 | I (In-track): -0.057 | C (Cross-track): 0.781
    Collision Risk Index (CRI) 0.38
    X Position (km) 1791.573 1791.62
    Position Y (km) -5601.84 -5599.443
    Position Z (km) -4567.801 -4566.177
    Velocity X (km/s) -2.819 1.526
    Velocity Y (km/s) 3.676 -4.219
    Velocity Z (km/s) -5.799 5.782

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB QIANFAN-90
    Semimajor Axis (a) 7671.134 km 7446.644 km
    Eccentricity (e) 0.033490 0.001256
    Inclination (i) 99.5892° 88.9624°
    RAAN 114.5667° 288.5795°
    Perigee Argument 193.1494° 337.9988°
    Mean Anomaly (M) 179.4461° 22.0622°
    Apogee 1549.906 km 1077.863 km
    Perigee 1036.088 km 1059.151 km
    Orbit Epoch 2026-10-10T18:35:38+0000 2026-10-11T07:18:23+0000

    DELTA 1 DEB & QIANFAN-90 Collision Probability (Pc) Trend

    DELTA 1 DEB & QIANFAN-90 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & QIANFAN-90 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & QIANFAN-90 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-90Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-90Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data