Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.057944E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:41:09+0800
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    1 Object 1

    AOE ID 55316
    NORAD ID 55316
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57991
    NORAD ID 57991
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5257 STARLINK-30537
    Time of Closest Approach 2026-10-28T10:13:50+0000
    Collision Probability (Pc) 7.057944E-6
    Conjunction Distance (km) 1.267 km
    Relative Speed (km/s) 6.974 km/s
    Conjunction Risk Parameters R (Radial): -1.232 | I (In-track): -0.26 | C (Cross-track): -0.132
    Collision Risk Index (CRI) 0.52
    X Position (km) -2087.876 -2088.516
    Position Y (km) 4616.241 4617.074
    Position Z (km) -4620.519 -4621.225
    Velocity X (km/s) -5.09 -7.173
    Velocity Y (km/s) 2.693 -2.463
    Velocity Z (km/s) 4.991 0.783

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5257 STARLINK-30537
    Semimajor Axis (a) 6852.735 km 6861.186 km
    Eccentricity (e) 0.000353 0.000937
    Inclination (i) 69.9970° 42.9871°
    RAAN 136.8340° 200.2706°
    Perigee Argument 273.6583° 279.8670°
    Mean Anomaly (M) 86.4188° 80.1123°
    Apogee 477.019 km 489.476 km
    Perigee 472.177 km 476.622 km
    Orbit Epoch 2026-10-27T06:11:40+0000 2026-10-27T01:37:50+0000

    STARLINK-5257 & STARLINK-30537 Collision Probability (Pc) Trend

    STARLINK-5257 & STARLINK-30537 Collision Probability (Pc) TrendNot Available

    STARLINK-5257 & STARLINK-30537 Miss Distance (Miss Distance) Trend

    STARLINK-5257 & STARLINK-30537 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5257Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30537Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5257Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30537Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5257

    No nearby objects data