Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.9239E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T14:48:35+0800
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    1 Object 1

    AOE ID 53784
    NORAD ID 53784
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65896
    NORAD ID 65896
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4687 STARLINK-34906
    Time of Closest Approach 2026-10-20T16:01:29+0000
    Collision Probability (Pc) 1.9239E-6
    Conjunction Distance (km) 1.996 km
    Relative Speed (km/s) 7.789 km/s
    Conjunction Risk Parameters R (Radial): 0.256 | I (In-track): 1.702 | C (Cross-track): -1.01
    Collision Risk Index (CRI) 0.41
    X Position (km) -409.983 -407.996
    Position Y (km) 4753.942 4753.933
    Position Z (km) 4903.727 4903.544
    Velocity X (km/s) -6.781 -6.303
    Velocity Y (km/s) 2.221 -3.346
    Velocity Z (km/s) -2.713 2.713

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4687 STARLINK-34906
    Semimajor Axis (a) 6848.872 km 6848.827 km
    Eccentricity (e) 0.000098 0.000064
    Inclination (i) 53.1600° 53.1552°
    RAAN 333.9319° 55.1876°
    Perigee Argument 89.8969° 35.0661°
    Mean Anomaly (M) 270.2145° 325.0383°
    Apogee 471.410 km 471.132 km
    Perigee 470.060 km 470.248 km
    Orbit Epoch 2026-10-18T19:40:16+0000 2026-10-18T08:56:29+0000

    STARLINK-4687 & STARLINK-34906 Collision Probability (Pc) Trend

    STARLINK-4687 & STARLINK-34906 Collision Probability (Pc) TrendNot Available

    STARLINK-4687 & STARLINK-34906 Miss Distance (Miss Distance) Trend

    STARLINK-4687 & STARLINK-34906 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4687Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34906Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4687Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34906Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4687

    No nearby objects data