Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.834805E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:00:54+0800
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    1 Object 1

    AOE ID 58682
    NORAD ID 58682
    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-31144 IRIS-F2
    Time of Closest Approach 2026-09-11T18:01:22+0000
    Collision Probability (Pc) 2.834805E-6
    Conjunction Distance (km) 1.97 km
    Relative Speed (km/s) 13.707 km/s
    Conjunction Risk Parameters R (Radial): -0.448 | I (In-track): 0.85 | C (Cross-track): -1.719
    Collision Risk Index (CRI) 0.44
    X Position (km) -5343.979 -5344.759
    Position Y (km) 2096.995 2095.606
    Position Z (km) 3749.241 3748.084
    Velocity X (km/s) -0.541 -3.42
    Velocity Y (km/s) -6.946 2.598
    Velocity Z (km/s) 3.106 -6.302

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31144 IRIS-F2
    Semimajor Axis (a) 6861.199 km 6858.136 km
    Eccentricity (e) 0.000133 0.000627
    Inclination (i) 43.0010° 97.3842°
    RAAN 118.1995° 333.1878°
    Perigee Argument 275.0411° 59.1464°
    Mean Anomaly (M) 85.0289° 301.0392°
    Apogee 483.974 km 484.300 km
    Perigee 482.150 km 475.698 km
    Orbit Epoch 2026-09-11T00:31:43+0000 2026-09-11T04:48:59+0000

    STARLINK-31144 & IRIS-F2 Collision Probability (Pc) Trend

    STARLINK-31144 & IRIS-F2 Collision Probability (Pc) TrendNot Available

    STARLINK-31144 & IRIS-F2 Miss Distance (Miss Distance) Trend

    STARLINK-31144 & IRIS-F2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31144Miss 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-31144Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIS-F2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31144

    No nearby objects data