Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.385471E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:17:15+0800
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    1 Object 1

    AOE ID 55383
    NORAD ID 55383
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59556
    NORAD ID 59556
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5531 STARLINK-31718
    Time of Closest Approach 2026-10-28T10:58:22+0000
    Collision Probability (Pc) 2.385471E-6
    Conjunction Distance (km) 1.648 km
    Relative Speed (km/s) 4.802 km/s
    Conjunction Risk Parameters R (Radial): -1.407 | I (In-track): -0.811 | C (Cross-track): 0.273
    Collision Risk Index (CRI) 0.43
    X Position (km) 5234.705 5233.509
    Position Y (km) -766.089 -766.78
    Position Z (km) -4372.613 -4371.714
    Velocity X (km/s) 2.56 -0.467
    Velocity Y (km/s) 6.933 7.377
    Velocity Z (km/s) 1.851 -1.851

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5531 STARLINK-31718
    Semimajor Axis (a) 6861.219 km 6861.457 km
    Eccentricity (e) 0.000119 0.000493
    Inclination (i) 42.9994° 43.0022°
    RAAN 60.7468° 117.9332°
    Perigee Argument 266.0182° 279.6217°
    Mean Anomaly (M) 94.0533° 80.4077°
    Apogee 483.900 km 486.705 km
    Perigee 482.264 km 479.935 km
    Orbit Epoch 2026-10-27T07:01:40+0000 2026-10-26T21:47:29+0000

    STARLINK-5531 & STARLINK-31718 Collision Probability (Pc) Trend

    STARLINK-5531 & STARLINK-31718 Collision Probability (Pc) TrendNot Available

    STARLINK-5531 & STARLINK-31718 Miss Distance (Miss Distance) Trend

    STARLINK-5531 & STARLINK-31718 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5531Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31718Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5531Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31718Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5531

    No nearby objects data