Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.357605E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T09:06:39+0800
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    1 Object 1

    AOE ID 53404
    NORAD ID 53404
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67672
    NORAD ID 67672
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4509 STARLINK-36616
    Time of Closest Approach 2026-10-16T05:48:51+0000
    Collision Probability (Pc) 1.357605E-6
    Conjunction Distance (km) 2.87 km
    Relative Speed (km/s) 13.755 km/s
    Conjunction Risk Parameters R (Radial): 2.828 | I (In-track): 0.21 | C (Cross-track): -0.442
    Collision Risk Index (CRI) 0.38
    X Position (km) 3132.532 3131.089
    Position Y (km) -3417.685 -3416.696
    Position Z (km) 5031.298 5029.024
    Velocity X (km/s) 6.749 -4.784
    Velocity Y (km/s) 2.637 3.106
    Velocity Z (km/s) -2.405 5.075

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4509 STARLINK-36616
    Semimajor Axis (a) 6848.883 km 6843.623 km
    Eccentricity (e) 0.000149 0.000112
    Inclination (i) 53.1607° 97.2841°
    RAAN 190.6984° 319.3148°
    Perigee Argument 89.7793° 88.7783°
    Mean Anomaly (M) 270.3379° 271.3588°
    Apogee 471.768 km 466.254 km
    Perigee 469.724 km 464.718 km
    Orbit Epoch 2026-10-15T10:31:49+0000 2026-10-15T01:25:01+0000

    STARLINK-4509 & STARLINK-36616 Collision Probability (Pc) Trend

    STARLINK-4509 & STARLINK-36616 Collision Probability (Pc) TrendNot Available

    STARLINK-4509 & STARLINK-36616 Miss Distance (Miss Distance) Trend

    STARLINK-4509 & STARLINK-36616 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4509Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36616Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4509Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36616Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4509

    No nearby objects data