Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.536645E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T08:47:07+0800
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    1 Object 1

    Name CERISE
    AOE ID 23606
    NORAD ID 23606
    Object Type PAYLOAD
    Country
    FR FR
    VS

    2 Object 2

    AOE ID 53709
    NORAD ID 53709
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CERISE STARLINK-4685
    Time of Closest Approach 2026-09-03T04:37:49+0000
    Collision Probability (Pc) 5.536645E-6
    Conjunction Distance (km) 1.413 km
    Relative Speed (km/s) 8.348 km/s
    Conjunction Risk Parameters R (Radial): -0.308 | I (In-track): -1.15 | C (Cross-track): -0.758
    Collision Risk Index (CRI) 0.5
    X Position (km) 2574.955 2573.949
    Position Y (km) -4296.958 -4296.285
    Position Z (km) 4645.252 4645.978
    Velocity X (km/s) 1.331 6.9
    Velocity Y (km/s) -5.147 0.644
    Velocity Z (km/s) -5.483 -3.218

    Orbital Parameters 国际轨道数据源

    Parameter CERISE STARLINK-4685
    Semimajor Axis (a) 6832.311 km 6837.874 km
    Eccentricity (e) 0.000458 0.000135
    Inclination (i) 98.3009° 53.1620°
    RAAN 112.4619° 170.2723°
    Perigee Argument 338.3340° 84.5955°
    Mean Anomaly (M) 21.7707° 275.5202°
    Apogee 457.307 km 460.659 km
    Perigee 451.041 km 458.815 km
    Orbit Epoch 2026-09-02T13:58:44+0000 2026-09-02T01:32:41+0000

    CERISE & STARLINK-4685 Collision Probability (Pc) Trend

    CERISE & STARLINK-4685 Collision Probability (Pc) TrendNot Available

    CERISE & STARLINK-4685 Miss Distance (Miss Distance) Trend

    CERISE & STARLINK-4685 Miss Distance (Miss Distance) TrendNot Available

    CERISEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4685Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CERISECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4685Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CERISE

    No nearby objects data