Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.827783E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T00:50:34+0800
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    1 Object 1

    AOE ID 46979
    NORAD ID 46979
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 53080
    NORAD ID 53080
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB STARLINK-4330
    Time of Closest Approach 2026-09-06T21:51:32+0000
    Collision Probability (Pc) 1.827783E-6
    Conjunction Distance (km) 2.431 km
    Relative Speed (km/s) 14.512 km/s
    Conjunction Risk Parameters R (Radial): 2.161 | I (In-track): 0.323 | C (Cross-track): 1.065
    Collision Risk Index (CRI) 0.4
    X Position (km) -595.133 -596.043
    Position Y (km) 797.77 797.659
    Position Z (km) -6805.851 -6803.6
    Velocity X (km/s) 1.32 3.165
    Velocity Y (km/s) -7.423 6.891
    Velocity Z (km/s) -0.98 0.531

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB STARLINK-4330
    Semimajor Axis (a) 6873.007 km 6867.827 km
    Eccentricity (e) 0.000780 0.000227
    Inclination (i) 86.3135° 97.2840°
    RAAN 281.5886° 64.3117°
    Perigee Argument 345.0057° 102.0553°
    Mean Anomaly (M) 15.0955° 154.6968°
    Apogee 500.232 km 491.246 km
    Perigee 489.508 km 488.134 km
    Orbit Epoch 2026-09-04T19:51:00+0000 2026-09-05T08:00:02+0000

    IRIDIUM 33 DEB & STARLINK-4330 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & STARLINK-4330 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & STARLINK-4330 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & STARLINK-4330 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4330Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4330Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data