Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.318139E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:26:21+0800
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    1 Object 1

    AOE ID 54089
    NORAD ID 54089
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 56340
    NORAD ID 56340
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5143 STARLINK-5540
    Time of Closest Approach 2026-10-20T16:49:01+0000
    Collision Probability (Pc) 1.318139E-6
    Conjunction Distance (km) 2.799 km
    Relative Speed (km/s) 12.326 km/s
    Conjunction Risk Parameters R (Radial): 2.749 | I (In-track): -0.305 | C (Cross-track): 0.43
    Collision Risk Index (CRI) 0.37
    X Position (km) -2049.255 -2049.622
    Position Y (km) 3572.719 3574.052
    Position Z (km) 5454.874 5457.308
    Velocity X (km/s) -6.307 -1.572
    Velocity Y (km/s) -4.286 5.972
    Velocity Z (km/s) 0.437 -4.49

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5143 STARLINK-5540
    Semimajor Axis (a) 6843.316 km 6843.704 km
    Eccentricity (e) 0.000143 0.000166
    Inclination (i) 53.1603° 97.2846°
    RAAN 43.1241° 288.8333°
    Perigee Argument 80.1201° 91.2344°
    Mean Anomaly (M) 279.9962° 268.9090°
    Apogee 466.157 km 466.706 km
    Perigee 464.201 km 464.428 km
    Orbit Epoch 2026-10-19T07:35:54+0000 2026-10-19T10:30:42+0000

    STARLINK-5143 & STARLINK-5540 Collision Probability (Pc) Trend

    STARLINK-5143 & STARLINK-5540 Collision Probability (Pc) TrendNot Available

    STARLINK-5143 & STARLINK-5540 Miss Distance (Miss Distance) Trend

    STARLINK-5143 & STARLINK-5540 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5143Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5540Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5143Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5540Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5143

    No nearby objects data