Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.120525E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T14:52:38+0800
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    1 Object 1

    AOE ID 52850
    NORAD ID 52850
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65401
    NORAD ID 65401
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4187 STARLINK-34909
    Time of Closest Approach 2026-10-18T22:28:22+0000
    Collision Probability (Pc) 1.120525E-6
    Conjunction Distance (km) 2.76 km
    Relative Speed (km/s) 8.968 km/s
    Conjunction Risk Parameters R (Radial): -2.105 | I (In-track): 1.439 | C (Cross-track): -1.052
    Collision Risk Index (CRI) 0.36
    X Position (km) 4045.167 4043.289
    Position Y (km) -2360.031 -2358.057
    Position Z (km) -5004.662 -5004.226
    Velocity X (km/s) 1.07 -5.434
    Velocity Y (km/s) 7.121 1.532
    Velocity Z (km/s) -2.495 -5.118

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4187 STARLINK-34909
    Semimajor Axis (a) 6848.864 km 6843.679 km
    Eccentricity (e) 0.000122 0.000323
    Inclination (i) 53.1576° 97.2852°
    RAAN 103.0811° 156.2833°
    Perigee Argument 98.2377° 92.0861°
    Mean Anomaly (M) 261.8763° 268.0752°
    Apogee 471.566 km 467.756 km
    Perigee 469.888 km 463.328 km
    Orbit Epoch 2026-10-17T12:31:05+0000 2026-10-17T14:09:47+0000

    STARLINK-4187 & STARLINK-34909 Collision Probability (Pc) Trend

    STARLINK-4187 & STARLINK-34909 Collision Probability (Pc) TrendNot Available

    STARLINK-4187 & STARLINK-34909 Miss Distance (Miss Distance) Trend

    STARLINK-4187 & STARLINK-34909 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4187Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34909Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4187Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34909Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4187

    No nearby objects data