Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.706763E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:46:20+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 54859
    NORAD ID 54859
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SUOMI100 STARLINK-5409
    Time of Closest Approach 2026-09-12T10:59:35+0000
    Collision Probability (Pc) 1.706763E-5
    Conjunction Distance (km) 1.135 km
    Relative Speed (km/s) 14.29 km/s
    Conjunction Risk Parameters R (Radial): -0.385 | I (In-track): -0.378 | C (Cross-track): -0.997
    Collision Risk Index (CRI) 0.6
    X Position (km) -4671.922 -4671.056
    Position Y (km) 4829.429 4829.884
    Position Z (km) -1395.664 -1395.089
    Velocity X (km/s) 1.787 -4.806
    Velocity Y (km/s) -0.404 -3.219
    Velocity Z (km/s) -7.395 4.965

    Orbital Parameters 国际轨道数据源

    Parameter SUOMI100 STARLINK-5409
    Semimajor Axis (a) 6853.268 km 6861.203 km
    Eccentricity (e) 0.000874 0.000112
    Inclination (i) 97.4103° 43.0003°
    RAAN 314.8470° 154.6566°
    Perigee Argument 342.5364° 239.6696°
    Mean Anomaly (M) 17.5575° 120.4044°
    Apogee 481.119 km 483.838 km
    Perigee 469.143 km 482.294 km
    Orbit Epoch 2026-09-11T16:53:39+0000 2026-09-11T02:06:51+0000

    SUOMI100 & STARLINK-5409 Collision Probability (Pc) Trend

    SUOMI100 & STARLINK-5409 Collision Probability (Pc) TrendNot Available

    SUOMI100 & STARLINK-5409 Miss Distance (Miss Distance) Trend

    SUOMI100 & STARLINK-5409 Miss Distance (Miss Distance) TrendNot Available

    SUOMI100Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5409Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SUOMI100Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5409Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SUOMI100

    No nearby objects data