Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    9.2188E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-09T15:38:38+0800
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    1 Object 1

    AOE ID 35809
    NORAD ID 35809
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 56729
    NORAD ID 56729
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB IRIDIUM 178
    Time of Closest Approach 2026-09-09T12:49:38+0000
    Collision Probability (Pc) 9.2188E-5
    Conjunction Distance (km) 0.674 km
    Relative Speed (km/s) 14.059 km/s
    Conjunction Risk Parameters R (Radial): -0.083 | I (In-track): -0.225 | C (Cross-track): -0.629
    Collision Risk Index (CRI) 0.74
    X Position (km) -1184.774 -1184.676
    Position Y (km) -203.115 -203.777
    Position Z (km) -6912.583 -6912.665
    Velocity X (km/s) -6.298 7.305
    Velocity Y (km/s) -3.937 -1.342
    Velocity Z (km/s) 1.205 -1.213

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB IRIDIUM 178
    Semimajor Axis (a) 7004.794 km 7007.290 km
    Eccentricity (e) 0.001424 0.000243
    Inclination (i) 86.3261° 86.6597°
    RAAN 212.4915° 350.4373°
    Perigee Argument 42.2278° 94.0295°
    Mean Anomaly (M) 318.0038° 266.1204°
    Apogee 636.636 km 630.853 km
    Perigee 616.678 km 627.453 km
    Orbit Epoch 2026-09-07T04:25:50+0000 2026-09-08T19:25:36+0000

    IRIDIUM 33 DEB & IRIDIUM 178 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & IRIDIUM 178 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & IRIDIUM 178 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & IRIDIUM 178 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 178Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 178Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data