Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.611385E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:05:07+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 21356
    NORAD ID 21356
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 49103
    NORAD ID 49103
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter DELTA 1 DEB ONEWEB-0317
    Time of Closest Approach 2026-09-14T00:20:42+0000
    Collision Probability (Pc) 2.611385E-5
    Conjunction Distance (km) 1.004 km
    Relative Speed (km/s) 14.244 km/s
    Conjunction Risk Parameters R (Radial): -0.703 | I (In-track): 0.113 | C (Cross-track): 0.707
    Collision Risk Index (CRI) 0.63
    X Position (km) 2725.96 2726.441
    Position Y (km) -1671.727 -1671.208
    Position Z (km) -6893.844 -6894.556
    Velocity X (km/s) -6.61 5.903
    Velocity Y (km/s) 0.663 -2.879
    Velocity Z (km/s) -2.778 3.034

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB ONEWEB-0317
    Semimajor Axis (a) 7521.880 km 7591.852 km
    Eccentricity (e) 0.009359 0.000163
    Inclination (i) 99.7206° 87.8988°
    RAAN 167.0799° 333.5893°
    Perigee Argument 76.7784° 82.2825°
    Mean Anomaly (M) 341.3237° 277.8488°
    Apogee 1214.138 km 1214.952 km
    Perigee 1073.348 km 1212.478 km
    Orbit Epoch 2026-09-10T17:48:46+0000 2026-09-11T04:58:42+0000

    DELTA 1 DEB & ONEWEB-0317 Collision Probability (Pc) Trend

    DELTA 1 DEB & ONEWEB-0317 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & ONEWEB-0317 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & ONEWEB-0317 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0317Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0317Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data