Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.286264E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:41:16+0800
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    1 Object 1

    AOE ID 35929
    NORAD ID 35929
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 57075
    NORAD ID 57075
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB STARLINK-5542
    Time of Closest Approach 2026-09-13T08:30:31+0000
    Collision Probability (Pc) 1.286264E-4
    Conjunction Distance (km) 0.533 km
    Relative Speed (km/s) 8.763 km/s
    Conjunction Risk Parameters R (Radial): 0.532 | I (In-track): 0.028 | C (Cross-track): 0.012
    Collision Risk Index (CRI) 0.77
    X Position (km) -5184.178 -5183.79
    Position Y (km) -318.36 -318.312
    Position Z (km) 4475.534 4475.173
    Velocity X (km/s) 5.006 1.745
    Velocity Y (km/s) -0.336 -7.272
    Velocity Z (km/s) 5.749 1.501

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB STARLINK-5542
    Semimajor Axis (a) 6868.665 km 6861.207 km
    Eccentricity (e) 0.001534 0.000160
    Inclination (i) 86.3422° 43.0041°
    RAAN 181.9643° 128.9172°
    Perigee Argument 90.7928° 269.8566°
    Mean Anomaly (M) 269.5075° 90.2102°
    Apogee 501.063 km 484.171 km
    Perigee 479.993 km 481.969 km
    Orbit Epoch 2026-09-10T01:36:05+0000 2026-09-11T01:15:54+0000

    IRIDIUM 33 DEB & STARLINK-5542 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & STARLINK-5542 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & STARLINK-5542 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & STARLINK-5542 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5542Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5542Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data