Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.443292E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T03:28:07+0800
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    1 Object 1

    AOE ID 28496
    NORAD ID 28496
    Object Type PAYLOAD
    Country
    FR FR
    ← VS →

    2 Object 2

    AOE ID 56448
    NORAD ID 56448
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ESSAIM-3 STARLINK-5990
    Time of Closest Approach 2026-10-21T19:43:36+0000
    Collision Probability (Pc) 1.443292E-6
    Conjunction Distance (km) 2.27 km
    Relative Speed (km/s) 7.798 km/s
    Conjunction Risk Parameters R (Radial): -0.928 | I (In-track): -1.773 | C (Cross-track): -1.068
    Collision Risk Index (CRI) 0.38
    X Position (km) 964.749 964.595
    Position Y (km) 3233.833 3231.576
    Position Z (km) 6072.177 6072.342
    Velocity X (km/s) 3.951 -3.771
    Velocity Y (km/s) 5.426 6.029
    Velocity Z (km/s) -3.51 -2.605

    Orbital Parameters 国际轨道数据源

    Parameter ESSAIM-3 STARLINK-5990
    Semimajor Axis (a) 6954.267 km 6950.193 km
    Eccentricity (e) 0.000204 0.000371
    Inclination (i) 98.2362° 69.9978°
    RAAN 236.4989° 298.2886°
    Perigee Argument 135.0708° 268.8998°
    Mean Anomaly (M) 225.0678° 91.1736°
    Apogee 577.551 km 574.637 km
    Perigee 574.709 km 569.475 km
    Orbit Epoch 2026-10-20T03:05:51+0000 2026-10-20T06:22:46+0000

    ESSAIM-3 & STARLINK-5990 Collision Probability (Pc) Trend

    ESSAIM-3 & STARLINK-5990 Collision Probability (Pc) TrendNot Available

    ESSAIM-3 & STARLINK-5990 Miss Distance (Miss Distance) Trend

    ESSAIM-3 & STARLINK-5990 Miss Distance (Miss Distance) TrendNot Available

    ESSAIM-3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5990Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ESSAIM-3Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5990Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ESSAIM-3

    No nearby objects data