Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.237399E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T07:30:08+0800
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    1 Object 1

    AOE ID 4857
    NORAD ID 4857
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 43569
    NORAD ID 43569
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter THORAD AGENA D DEB IRIDIUM 160
    Time of Closest Approach 2026-09-12T14:23:36+0000
    Collision Probability (Pc) 2.237399E-6
    Conjunction Distance (km) 2.201 km
    Relative Speed (km/s) 14.43 km/s
    Conjunction Risk Parameters R (Radial): -1.984 | I (In-track): -0.245 | C (Cross-track): 0.919
    Collision Risk Index (CRI) 0.42
    X Position (km) -1430.839 -1431.327
    Position Y (km) -994.675 -994.011
    Position Z (km) -6947.533 -6949.573
    Velocity X (km/s) -7.234 6.83
    Velocity Y (km/s) 1.286 2.401
    Velocity Z (km/s) 1.277 -1.751

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB IRIDIUM 160
    Semimajor Axis (a) 7169.257 km 7155.807 km
    Eccentricity (e) 0.004222 0.000214
    Inclination (i) 99.7325° 86.3999°
    RAAN 168.3639° 21.1326°
    Perigee Argument 225.3238° 94.6951°
    Mean Anomaly (M) 134.4497° 265.4489°
    Apogee 821.391 km 779.202 km
    Perigee 760.849 km 776.138 km
    Orbit Epoch 2026-09-09T16:14:50+0000 2026-09-10T10:58:06+0000

    THORAD AGENA D DEB & IRIDIUM 160 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & IRIDIUM 160 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & IRIDIUM 160 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & IRIDIUM 160 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 160Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 160Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data