Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.646329E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T08:22:57+0800
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    1 Object 1

    AOE ID 21356
    NORAD ID 21356
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65308
    NORAD ID 65308
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB HULIANWANG DIGUI-76
    Time of Closest Approach 2026-10-30T07:42:23+0000
    Collision Probability (Pc) 1.646329E-6
    Conjunction Distance (km) 2.488 km
    Relative Speed (km/s) 13.083 km/s
    Conjunction Risk Parameters R (Radial): 1.222 | I (In-track): -0.946 | C (Cross-track): -1.948
    Collision Risk Index (CRI) 0.39
    X Position (km) 4858.199 4860.56
    Position Y (km) 2159.716 2158.942
    Position Z (km) -5334.194 -5334.082
    Velocity X (km/s) -3.904 -0.743
    Velocity Y (km/s) -3.638 6.914
    Velocity Z (km/s) -4.936 2.122

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB HULIANWANG DIGUI-76
    Semimajor Axis (a) 7521.843 km 7527.433 km
    Eccentricity (e) 0.009277 0.000104
    Inclination (i) 99.7217° 50.0001°
    RAAN 212.2192° 87.7295°
    Perigee Argument 322.9171° 128.5558°
    Mean Anomaly (M) 160.1930° 231.5407°
    Apogee 1213.487 km 1150.076 km
    Perigee 1073.925 km 1148.516 km
    Orbit Epoch 2026-10-28T13:41:13+0000 2026-10-28T12:44:33+0000

    DELTA 1 DEB & HULIANWANG DIGUI-76 Collision Probability (Pc) Trend

    DELTA 1 DEB & HULIANWANG DIGUI-76 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & HULIANWANG DIGUI-76 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & HULIANWANG DIGUI-76 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-76Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-76Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data