Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.483865E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T14:32:59+0800
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    1 Object 1

    AOE ID 4177
    NORAD ID 4177
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 9637
    NORAD ID 9637
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter THORAD AGENA D DEB COSMOS 887
    Time of Closest Approach 2026-10-30T19:34:31+0000
    Collision Probability (Pc) 5.483865E-6
    Conjunction Distance (km) 1.551 km
    Relative Speed (km/s) 12.917 km/s
    Conjunction Risk Parameters R (Radial): 0.437 | I (In-track): -0.701 | C (Cross-track): -1.312
    Collision Risk Index (CRI) 0.5
    X Position (km) -1098.548 -1097.012
    Position Y (km) -3478.324 -3478.257
    Position Z (km) -6358.844 -6358.642
    Velocity X (km/s) 3.394 3.605
    Velocity Y (km/s) -5.984 5.364
    Velocity Z (km/s) 2.597 -3.568

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB COSMOS 887
    Semimajor Axis (a) 7297.584 km 7354.407 km
    Eccentricity (e) 0.011375 0.004401
    Inclination (i) 70.0723° 82.9403°
    RAAN 299.2773° 62.1964°
    Perigee Argument 188.0361° 233.5478°
    Mean Anomaly (M) 171.8926° 244.8816°
    Apogee 1002.460 km 1008.635 km
    Perigee 836.434 km 943.905 km
    Orbit Epoch 2026-10-27T05:42:45+0000 2026-10-27T21:12:07+0000

    THORAD AGENA D DEB & COSMOS 887 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & COSMOS 887 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & COSMOS 887 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & COSMOS 887 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 887Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 887Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data