Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.687001E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:10:00+0800
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    1 Object 1

    AOE ID 4737
    NORAD ID 4737
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 42962
    NORAD ID 42962
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter THORAD AGENA D DEB IRIDIUM 136
    Time of Closest Approach 2026-09-11T23:02:24+0000
    Collision Probability (Pc) 3.687001E-5
    Conjunction Distance (km) 0.866 km
    Relative Speed (km/s) 11.441 km/s
    Conjunction Risk Parameters R (Radial): 0.24 | I (In-track): 0.539 | C (Cross-track): 0.634
    Collision Risk Index (CRI) 0.66
    X Position (km) 962.514 962.079
    Position Y (km) -640.918 -640.179
    Position Z (km) -7071.093 -7070.976
    Velocity X (km/s) -2.694 7.243
    Velocity Y (km/s) -6.941 -1.337
    Velocity Z (km/s) 0.245 1.107

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB IRIDIUM 136
    Semimajor Axis (a) 7159.358 km 7155.804 km
    Eccentricity (e) 0.002317 0.000216
    Inclination (i) 99.0570° 86.4029°
    RAAN 247.6437° 349.4857°
    Perigee Argument 191.5688° 94.6985°
    Mean Anomaly (M) 168.4965° 265.4458°
    Apogee 797.813 km 779.216 km
    Perigee 764.629 km 776.118 km
    Orbit Epoch 2026-09-10T13:56:23+0000 2026-09-10T18:57:15+0000

    THORAD AGENA D DEB & IRIDIUM 136 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & IRIDIUM 136 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & IRIDIUM 136 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & IRIDIUM 136 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 136Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 136Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data