Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.416015E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T17:35:50+0800
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    1 Object 1

    AOE ID 55374
    NORAD ID 55374
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59731
    NORAD ID 59731
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5578 STARLINK-31817
    Time of Closest Approach 2026-10-30T17:16:11+0000
    Collision Probability (Pc) 8.416015E-6
    Conjunction Distance (km) 1.287 km
    Relative Speed (km/s) 9.736 km/s
    Conjunction Risk Parameters R (Radial): -0.608 | I (In-track): -0.875 | C (Cross-track): 0.72
    Collision Risk Index (CRI) 0.54
    X Position (km) -592.185 -591.004
    Position Y (km) 6487.401 6486.93
    Position Z (km) 2146.704 2146.509
    Velocity X (km/s) -5.709 -5.987
    Velocity Y (km/s) -2.056 0.99
    Velocity Z (km/s) 4.621 -4.622

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5578 STARLINK-31817
    Semimajor Axis (a) 6861.162 km 6861.269 km
    Eccentricity (e) 0.000158 0.000119
    Inclination (i) 43.0010° 43.0026°
    RAAN 86.5757° 308.9252°
    Perigee Argument 262.1193° 268.4706°
    Mean Anomaly (M) 244.0799° 164.4931°
    Apogee 484.106 km 483.949 km
    Perigee 481.944 km 482.315 km
    Orbit Epoch 2026-10-28T14:00:02+0000 2026-10-28T10:00:02+0000

    STARLINK-5578 & STARLINK-31817 Collision Probability (Pc) Trend

    STARLINK-5578 & STARLINK-31817 Collision Probability (Pc) TrendNot Available

    STARLINK-5578 & STARLINK-31817 Miss Distance (Miss Distance) Trend

    STARLINK-5578 & STARLINK-31817 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5578Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31817Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5578Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31817Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5578

    No nearby objects data