Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.890861E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:45:22+0800
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    1 Object 1

    AOE ID 51740
    NORAD ID 51740
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69749
    NORAD ID 69749
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3500 STARLINK-37987
    Time of Closest Approach 2026-10-21T18:41:24+0000
    Collision Probability (Pc) 1.890861E-6
    Conjunction Distance (km) 2.341 km
    Relative Speed (km/s) 13.581 km/s
    Conjunction Risk Parameters R (Radial): 2.211 | I (In-track): -0.351 | C (Cross-track): 0.684
    Collision Risk Index (CRI) 0.41
    X Position (km) 2593.929 2594.471
    Position Y (km) -3713.059 -3714.895
    Position Z (km) -5136.799 -5138.145
    Velocity X (km/s) 7.046 -4.409
    Velocity Y (km/s) 1.983 3.762
    Velocity Z (km/s) 2.125 -4.949

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3500 STARLINK-37987
    Semimajor Axis (a) 6840.818 km 6843.695 km
    Eccentricity (e) 0.000435 0.000059
    Inclination (i) 53.1632° 97.2852°
    RAAN 10.4171° 131.4938°
    Perigee Argument 108.4196° 64.5004°
    Mean Anomaly (M) 251.7279° 295.6299°
    Apogee 465.655 km 465.962 km
    Perigee 459.707 km 465.154 km
    Orbit Epoch 2026-10-20T05:28:31+0000 2026-10-19T23:24:38+0000

    STARLINK-3500 & STARLINK-37987 Collision Probability (Pc) Trend

    STARLINK-3500 & STARLINK-37987 Collision Probability (Pc) TrendNot Available

    STARLINK-3500 & STARLINK-37987 Miss Distance (Miss Distance) Trend

    STARLINK-3500 & STARLINK-37987 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3500Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37987Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3500Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37987Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3500

    No nearby objects data