Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.947691E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T23:38:26+0800
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    1 Object 1

    AOE ID 21453
    NORAD ID 21453
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68645
    NORAD ID 68645
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB QIANFAN-118
    Time of Closest Approach 2026-10-28T05:22:07+0000
    Collision Probability (Pc) 1.947691E-6
    Conjunction Distance (km) 2.312 km
    Relative Speed (km/s) 13.681 km/s
    Conjunction Risk Parameters R (Radial): -2.23 | I (In-track): 0.224 | C (Cross-track): -0.565
    Collision Risk Index (CRI) 0.41
    X Position (km) 1163.339 1162.411
    Position Y (km) -1308.456 -1308.24
    Position Z (km) 7231.535 7229.429
    Velocity X (km/s) -0.768 -4.298
    Velocity Y (km/s) -7.221 5.671
    Velocity Z (km/s) -1.2 1.714

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB QIANFAN-118
    Semimajor Axis (a) 7536.280 km 7446.649 km
    Eccentricity (e) 0.012019 0.000176
    Inclination (i) 99.8834° 88.9809°
    RAAN 84.5910° 307.4985°
    Perigee Argument 114.2431° 80.8517°
    Mean Anomaly (M) 59.7881° 279.2833°
    Apogee 1248.724 km 1069.820 km
    Perigee 1067.562 km 1067.204 km
    Orbit Epoch 2026-10-27T04:24:34+0000 2026-10-27T07:39:44+0000

    DELTA 1 DEB & QIANFAN-118 Collision Probability (Pc) Trend

    DELTA 1 DEB & QIANFAN-118 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & QIANFAN-118 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & QIANFAN-118 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-118Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-118Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data