Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    9.2434E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T22:13:53+0800
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    1 Object 1

    AOE ID 55587
    NORAD ID 55587
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name IRIS-F2
    AOE ID 62684
    NORAD ID 62684
    Object Type PAYLOAD
    Country
    TW TW

    Conjunction Constraints

    Parameter STARLINK-5727 IRIS-F2
    Time of Closest Approach 2026-09-12T16:47:44+0000
    Collision Probability (Pc) 9.2434E-6
    Conjunction Distance (km) 1.233 km
    Relative Speed (km/s) 9.017 km/s
    Conjunction Risk Parameters R (Radial): -1.232 | I (In-track): 0 | C (Cross-track): -0.003
    Collision Risk Index (CRI) 0.54
    X Position (km) 5267.278 5268.223
    Position Y (km) -1925.085 -1925.434
    Position Z (km) -3956.44 -3957.151
    Velocity X (km/s) 4.18 3.655
    Velocity Y (km/s) 5.734 -2.611
    Velocity Z (km/s) 2.777 6.151

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5727 IRIS-F2
    Semimajor Axis (a) 6861.193 km 6858.092 km
    Eccentricity (e) 0.000159 0.000624
    Inclination (i) 43.0042° 97.3837°
    RAAN 34.6032° 334.1615°
    Perigee Argument 273.5216° 56.6954°
    Mean Anomaly (M) 86.5454° 303.4882°
    Apogee 484.146 km 484.236 km
    Perigee 481.966 km 475.674 km
    Orbit Epoch 2026-09-11T17:30:30+0000 2026-09-12T04:22:57+0000

    STARLINK-5727 & IRIS-F2 Collision Probability (Pc) Trend

    STARLINK-5727 & IRIS-F2 Collision Probability (Pc) TrendNot Available

    STARLINK-5727 & IRIS-F2 Miss Distance (Miss Distance) Trend

    STARLINK-5727 & IRIS-F2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5727Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIS-F2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5727Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIS-F2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5727

    No nearby objects data