Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.562827E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:18:17+0800
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    1 Object 1

    AOE ID 21319
    NORAD ID 21319
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 48974
    NORAD ID 48974
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter DELTA 1 DEB ONEWEB-0256
    Time of Closest Approach 2026-09-13T16:55:53+0000
    Collision Probability (Pc) 1.562827E-6
    Conjunction Distance (km) 2.636 km
    Relative Speed (km/s) 14.148 km/s
    Conjunction Risk Parameters R (Radial): 1.237 | I (In-track): 0.548 | C (Cross-track): -2.261
    Collision Risk Index (CRI) 0.39
    X Position (km) 2110.321 2108.363
    Position Y (km) 968.6 970.099
    Position Z (km) 7203.929 7203.001
    Velocity X (km/s) -3.558 5.871
    Velocity Y (km/s) -6.012 3.65
    Velocity Z (km/s) 2.023 -2.205

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB ONEWEB-0256
    Semimajor Axis (a) 7613.097 km 7575.896 km
    Eccentricity (e) 0.023457 0.000213
    Inclination (i) 99.6624° 87.9137°
    RAAN 53.8621° 211.7809°
    Perigee Argument 2.5421° 84.1388°
    Mean Anomaly (M) 11.0627° 275.9987°
    Apogee 1413.537 km 1199.376 km
    Perigee 1056.383 km 1196.142 km
    Orbit Epoch 2026-09-10T16:58:48+0000 2026-09-10T19:04:38+0000

    DELTA 1 DEB & ONEWEB-0256 Collision Probability (Pc) Trend

    DELTA 1 DEB & ONEWEB-0256 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & ONEWEB-0256 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & ONEWEB-0256 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0256Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0256Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data