Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.323E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T21:35:30+0800
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    1 Object 1

    AOE ID 21444
    NORAD ID 21444
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 56713
    NORAD ID 56713
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter DELTA 1 DEB ONEWEB-0677
    Time of Closest Approach 2026-09-17T06:56:27+0000
    Collision Probability (Pc) 1.323E-6
    Conjunction Distance (km) 2.634 km
    Relative Speed (km/s) 10.621 km/s
    Conjunction Risk Parameters R (Radial): -0.643 | I (In-track): 1.742 | C (Cross-track): -1.868
    Collision Risk Index (CRI) 0.37
    X Position (km) -565.562 -567.725
    Position Y (km) -1157.682 -1158.81
    Position Z (km) -7459.13 -7458.138
    Velocity X (km/s) -6.957 -1.679
    Velocity Y (km/s) 2.193 -6.946
    Velocity Z (km/s) 0.017 1.207

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB ONEWEB-0677
    Semimajor Axis (a) 7660.066 km 7559.911 km
    Eccentricity (e) 0.026300 0.000211
    Inclination (i) 99.6877° 87.9136°
    RAAN 160.6631° 256.5268°
    Perigee Argument 213.9126° 98.9844°
    Mean Anomaly (M) 308.8245° 261.1528°
    Apogee 1483.391 km 1183.371 km
    Perigee 1080.467 km 1180.177 km
    Orbit Epoch 2026-09-15T04:19:48+0000 2026-09-14T22:59:04+0000

    DELTA 1 DEB & ONEWEB-0677 Collision Probability (Pc) Trend

    DELTA 1 DEB & ONEWEB-0677 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & ONEWEB-0677 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & ONEWEB-0677 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0677Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0677Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data