Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.036965E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T14:38:06+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 21269
    NORAD ID 21269
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 54113
    NORAD ID 54113
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter DELTA 1 DEB ONEWEB-0490
    Time of Closest Approach 2026-09-14T11:18:55+0000
    Collision Probability (Pc) 1.036965E-5
    Conjunction Distance (km) 1.311 km
    Relative Speed (km/s) 14.362 km/s
    Conjunction Risk Parameters R (Radial): -1.296 | I (In-track): -0.023 | C (Cross-track): -0.187
    Collision Risk Index (CRI) 0.55
    X Position (km) -802 -802.032
    Position Y (km) 3420.278 3419.61
    Position Z (km) 6691.815 6690.688
    Velocity X (km/s) 3.938 -2.019
    Velocity Y (km/s) -5.266 6.114
    Velocity Z (km/s) 3.063 -3.359

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB ONEWEB-0490
    Semimajor Axis (a) 7548.564 km 7563.898 km
    Eccentricity (e) 0.011777 0.000285
    Inclination (i) 99.7053° 87.9126°
    RAAN 119.5503° 287.7628°
    Perigee Argument 171.4796° 72.2429°
    Mean Anomaly (M) 261.5949° 287.9015°
    Apogee 1259.328 km 1187.916 km
    Perigee 1081.526 km 1183.606 km
    Orbit Epoch 2026-09-11T14:25:30+0000 2026-09-11T13:34:38+0000

    DELTA 1 DEB & ONEWEB-0490 Collision Probability (Pc) Trend

    DELTA 1 DEB & ONEWEB-0490 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & ONEWEB-0490 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & ONEWEB-0490 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ONEWEB-0490Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ONEWEB-0490Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data