Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.309668E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T22:31:12+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 57856
    NORAD ID 57856
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SUOMI100 STARLINK-30291
    Time of Closest Approach 2026-09-13T06:31:26+0000
    Collision Probability (Pc) 3.309668E-6
    Conjunction Distance (km) 1.891 km
    Relative Speed (km/s) 14.75 km/s
    Conjunction Risk Parameters R (Radial): -0.552 | I (In-track): -0.474 | C (Cross-track): 1.745
    Collision Risk Index (CRI) 0.45
    X Position (km) 4998.831 4997.227
    Position Y (km) -4584.504 -4585.297
    Position Z (km) -967.811 -968.424
    Velocity X (km/s) 0.112 2.495
    Velocity Y (km/s) -1.451 3.979
    Velocity Z (km/s) 7.492 -6.013

    Orbital Parameters 国际轨道数据源

    Parameter SUOMI100 STARLINK-30291
    Semimajor Axis (a) 6853.294 km 6848.857 km
    Eccentricity (e) 0.000878 0.000141
    Inclination (i) 97.4107° 53.1609°
    RAAN 314.3904° 141.5040°
    Perigee Argument 344.1761° 83.8558°
    Mean Anomaly (M) 15.9204° 276.2605°
    Apogee 481.172 km 471.689 km
    Perigee 469.142 km 469.751 km
    Orbit Epoch 2026-09-11T05:54:30+0000 2026-09-11T02:01:11+0000

    SUOMI100 & STARLINK-30291 Collision Probability (Pc) Trend

    SUOMI100 & STARLINK-30291 Collision Probability (Pc) TrendNot Available

    SUOMI100 & STARLINK-30291 Miss Distance (Miss Distance) Trend

    SUOMI100 & STARLINK-30291 Miss Distance (Miss Distance) TrendNot Available

    SUOMI100Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30291Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SUOMI100Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30291Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SUOMI100

    No nearby objects data