Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.406714E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:57:57+0800
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    1 Object 1

    AOE ID 21374
    NORAD ID 21374
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 55164
    NORAD ID 55164
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter DELTA 1 DEB ONEWEB-0623
    Time of Closest Approach 2026-09-14T03:30:23+0000
    Collision Probability (Pc) 4.406714E-6
    Conjunction Distance (km) 1.642 km
    Relative Speed (km/s) 12.155 km/s
    Conjunction Risk Parameters R (Radial): 0.175 | I (In-track): 0.861 | C (Cross-track): -1.386
    Collision Risk Index (CRI) 0.48
    X Position (km) -1335.553 -1336.634
    Position Y (km) 3.194 2.016
    Position Z (km) -7462.169 -7461.799
    Velocity X (km/s) -1.589 6.973
    Velocity Y (km/s) 6.971 -1.502
    Velocity Z (km/s) 0.376 -1.251

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB ONEWEB-0623
    Semimajor Axis (a) 7405.781 km 7571.851 km
    Eccentricity (e) 0.025724 0.000210
    Inclination (i) 99.8666° 87.9202°
    RAAN 100.7156° 348.7022°
    Perigee Argument 71.2983° 124.1028°
    Mean Anomaly (M) 344.0377° 236.0304°
    Apogee 1218.149 km 1195.307 km
    Perigee 837.139 km 1192.121 km
    Orbit Epoch 2026-09-11T12:44:28+0000 2026-09-11T15:52:19+0000

    DELTA 1 DEB & ONEWEB-0623 Collision Probability (Pc) Trend

    DELTA 1 DEB & ONEWEB-0623 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & ONEWEB-0623 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & ONEWEB-0623 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0623Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0623Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data