Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.837883E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:44:45+0800
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    1 Object 1

    AOE ID 40996
    NORAD ID 40996
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 52332
    NORAD ID 52332
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB STARLINK-3831
    Time of Closest Approach 2026-09-05T07:35:07+0000
    Collision Probability (Pc) 1.837883E-6
    Conjunction Distance (km) 2.294 km
    Relative Speed (km/s) 12.103 km/s
    Conjunction Risk Parameters R (Radial): -1.741 | I (In-track): 0.902 | C (Cross-track): -1.188
    Collision Risk Index (CRI) 0.4
    X Position (km) 2299.997 2301.975
    Position Y (km) 3798.168 3798.978
    Position Z (km) -5277.46 -5278.291
    Velocity X (km/s) -3.636 -4.956
    Velocity Y (km/s) -4.553 5.474
    Velocity Z (km/s) -4.87 1.779

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB STARLINK-3831
    Semimajor Axis (a) 6888.262 km 6893.771 km
    Eccentricity (e) 0.000836 0.000180
    Inclination (i) 86.3445° 53.1595°
    RAAN 236.8920° 133.8314°
    Perigee Argument 125.4298° 111.0784°
    Mean Anomaly (M) 234.7726° 99.8018°
    Apogee 515.883 km 516.874 km
    Perigee 504.367 km 514.394 km
    Orbit Epoch 2026-08-31T06:24:09+0000 2026-09-02T16:00:02+0000

    IRIDIUM 33 DEB & STARLINK-3831 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & STARLINK-3831 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & STARLINK-3831 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & STARLINK-3831 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3831Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3831Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data