Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.369364E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T17:45:04+0800
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    1 Object 1

    AOE ID 21497
    NORAD ID 21497
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67239
    NORAD ID 67239
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB HULIANWANG DIGUI-131
    Time of Closest Approach 2026-10-18T13:11:37+0000
    Collision Probability (Pc) 1.369364E-6
    Conjunction Distance (km) 2.878 km
    Relative Speed (km/s) 14.055 km/s
    Conjunction Risk Parameters R (Radial): -2.724 | I (In-track): -0.262 | C (Cross-track): 0.89
    Collision Risk Index (CRI) 0.38
    X Position (km) 5828.158 5829.767
    Position Y (km) 4690.158 4692.543
    Position Z (km) 806.853 806.772
    Velocity X (km/s) 1.436 -3.418
    Velocity Y (km/s) -0.48 3.288
    Velocity Z (km/s) -7.117 5.523

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB HULIANWANG DIGUI-131
    Semimajor Axis (a) 7513.597 km 7527.438 km
    Eccentricity (e) 0.005962 0.000006
    Inclination (i) 100.0325° 50.0062°
    RAAN 214.9888° 44.1634°
    Perigee Argument 78.5899° 298.8683°
    Mean Anomaly (M) 311.5523° 61.2183°
    Apogee 1180.254 km 1149.347 km
    Perigee 1090.666 km 1149.255 km
    Orbit Epoch 2026-10-15T17:49:46+0000 2026-10-15T14:47:08+0000

    DELTA 1 DEB & HULIANWANG DIGUI-131 Collision Probability (Pc) Trend

    DELTA 1 DEB & HULIANWANG DIGUI-131 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & HULIANWANG DIGUI-131 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & HULIANWANG DIGUI-131 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-131Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-131Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data