Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.734022E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T19:29:44+0800
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    1 Object 1

    AOE ID 53189
    NORAD ID 53189
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66837
    NORAD ID 66837
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4391 STARLINK-35729
    Time of Closest Approach 2026-10-25T20:41:02+0000
    Collision Probability (Pc) 2.734022E-6
    Conjunction Distance (km) 1.981 km
    Relative Speed (km/s) 13.259 km/s
    Conjunction Risk Parameters R (Radial): -1.234 | I (In-track): 0.775 | C (Cross-track): -1.341
    Collision Risk Index (CRI) 0.44
    X Position (km) -2296.728 -2296.293
    Position Y (km) -587.167 -586.047
    Position Z (km) 6412.255 6413.83
    Velocity X (km/s) -7.15 2.964
    Velocity Y (km/s) 1.055 -7.02
    Velocity Z (km/s) -2.458 0.419

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4391 STARLINK-35729
    Semimajor Axis (a) 6843.710 km 6897.151 km
    Eccentricity (e) 0.000118 0.000424
    Inclination (i) 97.2855° 70.0018°
    RAAN 351.9523° 118.2570°
    Perigee Argument 68.7970° 275.3161°
    Mean Anomaly (M) 291.3399° 330.4403°
    Apogee 466.381 km 521.939 km
    Perigee 464.765 km 516.089 km
    Orbit Epoch 2026-10-23T16:31:43+0000 2026-10-24T06:00:02+0000

    STARLINK-4391 & STARLINK-35729 Collision Probability (Pc) Trend

    STARLINK-4391 & STARLINK-35729 Collision Probability (Pc) TrendNot Available

    STARLINK-4391 & STARLINK-35729 Miss Distance (Miss Distance) Trend

    STARLINK-4391 & STARLINK-35729 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4391Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35729Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4391Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35729Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4391

    No nearby objects data