Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.501877E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:09:33+0800
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    1 Object 1

    AOE ID 55453
    NORAD ID 55453
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name IRIS-F2
    AOE ID 62684
    NORAD ID 62684
    Object Type PAYLOAD
    Country
    TW TW

    Conjunction Constraints

    Parameter STARLINK-5684 IRIS-F2
    Time of Closest Approach 2026-10-21T16:59:34+0000
    Collision Probability (Pc) 8.501877E-6
    Conjunction Distance (km) 1.357 km
    Relative Speed (km/s) 12.836 km/s
    Conjunction Risk Parameters R (Radial): -1.17 | I (In-track): 0.374 | C (Cross-track): 0.577
    Collision Risk Index (CRI) 0.54
    X Position (km) 4892.747 4892.023
    Position Y (km) 1758.025 1758.307
    Position Z (km) -4480.865 -4479.753
    Velocity X (km/s) -3.702 5.048
    Velocity Y (km/s) 6.488 0.442
    Velocity Z (km/s) -1.497 5.687

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5684 IRIS-F2
    Semimajor Axis (a) 6861.242 km 6856.937 km
    Eccentricity (e) 0.000173 0.000329
    Inclination (i) 43.0010° 97.3802°
    RAAN 142.3511° 10.8325°
    Perigee Argument 269.2689° 268.1489°
    Mean Anomaly (M) 90.7965° 91.9374°
    Apogee 484.290 km 481.058 km
    Perigee 481.920 km 476.542 km
    Orbit Epoch 2026-10-19T21:31:07+0000 2026-10-19T03:55:02+0000

    STARLINK-5684 & IRIS-F2 Collision Probability (Pc) Trend

    STARLINK-5684 & IRIS-F2 Collision Probability (Pc) TrendNot Available

    STARLINK-5684 & IRIS-F2 Miss Distance (Miss Distance) Trend

    STARLINK-5684 & IRIS-F2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5684Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIS-F2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5684Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIS-F2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5684

    No nearby objects data