Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.893561E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T21:29:08+0800
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    1 Object 1

    AOE ID 57817
    NORAD ID 57817
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63961
    NORAD ID 63961
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30391 STARLINK-34121
    Time of Closest Approach 2026-10-12T18:38:46+0000
    Collision Probability (Pc) 1.893561E-6
    Conjunction Distance (km) 1.812 km
    Relative Speed (km/s) 5.066 km/s
    Conjunction Risk Parameters R (Radial): 1.75 | I (In-track): 0.446 | C (Cross-track): -0.15
    Collision Risk Index (CRI) 0.41
    X Position (km) -4573.887 -4575.291
    Position Y (km) 2708.753 2709.038
    Position Z (km) 4327.928 4329.036
    Velocity X (km/s) -2.289 -5.043
    Velocity Y (km/s) -7.007 -5.374
    Velocity Z (km/s) 1.962 -1.963

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30391 STARLINK-34121
    Semimajor Axis (a) 6861.093 km 6861.446 km
    Eccentricity (e) 0.000060 0.000198
    Inclination (i) 43.0020° 43.0054°
    RAAN 94.0926° 32.9423°
    Perigee Argument 311.2039° 268.0431°
    Mean Anomaly (M) 48.8762° 92.0194°
    Apogee 483.365 km 484.669 km
    Perigee 482.547 km 481.949 km
    Orbit Epoch 2026-10-11T18:48:46+0000 2026-10-12T07:10:19+0000

    STARLINK-30391 & STARLINK-34121 Collision Probability (Pc) Trend

    STARLINK-30391 & STARLINK-34121 Collision Probability (Pc) TrendNot Available

    STARLINK-30391 & STARLINK-34121 Miss Distance (Miss Distance) Trend

    STARLINK-30391 & STARLINK-34121 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30391Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34121Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30391Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34121Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30391

    No nearby objects data