Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.680046E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:43:59+0800
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    1 Object 1

    AOE ID 50198
    NORAD ID 50198
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53529
    NORAD ID 53529
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3264 STARLINK-4478
    Time of Closest Approach 2026-10-20T22:51:17+0000
    Collision Probability (Pc) 2.680046E-6
    Conjunction Distance (km) 1.953 km
    Relative Speed (km/s) 12.127 km/s
    Conjunction Risk Parameters R (Radial): 0.77 | I (In-track): 1.082 | C (Cross-track): -1.432
    Collision Risk Index (CRI) 0.44
    X Position (km) 4127.642 4129.533
    Position Y (km) -5432.762 -5432.284
    Position Z (km) 930.787 930.886
    Velocity X (km/s) 3.166 4.163
    Velocity Y (km/s) 3.445 2.122
    Velocity Z (km/s) 6.005 -6.008

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3264 STARLINK-4478
    Semimajor Axis (a) 6887.212 km 6887.688 km
    Eccentricity (e) 0.000158 0.000351
    Inclination (i) 53.1557° 53.2110°
    RAAN 305.2703° 137.4439°
    Perigee Argument 52.7803° 88.2299°
    Mean Anomaly (M) 307.3336° 271.9099°
    Apogee 510.160 km 511.970 km
    Perigee 507.990 km 507.132 km
    Orbit Epoch 2026-10-20T02:16:59+0000 2026-10-19T23:59:54+0000

    STARLINK-3264 & STARLINK-4478 Collision Probability (Pc) Trend

    STARLINK-3264 & STARLINK-4478 Collision Probability (Pc) TrendNot Available

    STARLINK-3264 & STARLINK-4478 Miss Distance (Miss Distance) Trend

    STARLINK-3264 & STARLINK-4478 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3264Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4478Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3264Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4478Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3264

    No nearby objects data