Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.188286E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T21:45:19+0800
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    1 Object 1

    AOE ID 43804
    NORAD ID 43804
    Object Type PAYLOAD
    Country
    FI FI
    ← VS →

    2 Object 2

    AOE ID 53670
    NORAD ID 53670
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SUOMI100 STARLINK-4459
    Time of Closest Approach 2026-10-20T04:19:41+0000
    Collision Probability (Pc) 4.188286E-6
    Conjunction Distance (km) 1.751 km
    Relative Speed (km/s) 15.129 km/s
    Conjunction Risk Parameters R (Radial): -0.823 | I (In-track): 0.219 | C (Cross-track): -1.529
    Collision Risk Index (CRI) 0.47
    X Position (km) -6557.345 -6556.32
    Position Y (km) 1001.334 1002.74
    Position Z (km) -1706.803 -1706.611
    Velocity X (km/s) 2.01 -1.705
    Velocity Y (km/s) 0.72 1.271
    Velocity Z (km/s) -7.328 7.327

    Orbital Parameters 国际轨道数据源

    Parameter SUOMI100 STARLINK-4459
    Semimajor Axis (a) 6851.026 km 6843.693 km
    Eccentricity (e) 0.000907 0.000188
    Inclination (i) 97.4038° 97.2848°
    RAAN 350.9823° 167.5555°
    Perigee Argument 195.4687° 87.9941°
    Mean Anomaly (M) 164.6278° 272.1516°
    Apogee 479.107 km 466.840 km
    Perigee 466.671 km 464.272 km
    Orbit Epoch 2026-10-17T22:08:56+0000 2026-10-18T06:58:26+0000

    SUOMI100 & STARLINK-4459 Collision Probability (Pc) Trend

    SUOMI100 & STARLINK-4459 Collision Probability (Pc) TrendNot Available

    SUOMI100 & STARLINK-4459 Miss Distance (Miss Distance) Trend

    SUOMI100 & STARLINK-4459 Miss Distance (Miss Distance) TrendNot Available

    SUOMI100Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4459Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SUOMI100Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4459Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SUOMI100

    No nearby objects data