Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.58118E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T21:18:21+0800
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    1 Object 1

    AOE ID 21276
    NORAD ID 21276
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67525
    NORAD ID 67525
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB HULIANWANG DIGUI-149
    Time of Closest Approach 2026-10-16T19:57:29+0000
    Collision Probability (Pc) 1.58118E-6
    Conjunction Distance (km) 2.406 km
    Relative Speed (km/s) 11.019 km/s
    Conjunction Risk Parameters R (Radial): 2.342 | I (In-track): -0.353 | C (Cross-track): -0.423
    Collision Risk Index (CRI) 0.39
    X Position (km) -4628.186 -4626.987
    Position Y (km) -1543.111 -1543.027
    Position Z (km) -5741.475 -5739.391
    Velocity X (km/s) -5.683 1.653
    Velocity Y (km/s) 0.155 -7.057
    Velocity Z (km/s) 4.51 0.565

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB HULIANWANG DIGUI-149
    Semimajor Axis (a) 7503.895 km 7527.425 km
    Eccentricity (e) 0.004583 0.000041
    Inclination (i) 99.9909° 50.0080°
    RAAN 184.9005° 288.8121°
    Perigee Argument 179.5754° 171.7181°
    Mean Anomaly (M) 347.8971° 188.3698°
    Apogee 1160.153 km 1149.595 km
    Perigee 1091.363 km 1148.981 km
    Orbit Epoch 2026-10-15T05:29:47+0000 2026-10-14T05:13:48+0000

    DELTA 1 DEB & HULIANWANG DIGUI-149 Collision Probability (Pc) Trend

    DELTA 1 DEB & HULIANWANG DIGUI-149 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & HULIANWANG DIGUI-149 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & HULIANWANG DIGUI-149 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-149Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-149Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data