Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.998174E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:47:09+0800
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    1 Object 1

    AOE ID 53715
    NORAD ID 53715
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57290
    NORAD ID 57290
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4686 STARLINK-30198
    Time of Closest Approach 2026-10-20T15:13:30+0000
    Collision Probability (Pc) 2.998174E-6
    Conjunction Distance (km) 1.711 km
    Relative Speed (km/s) 8.156 km/s
    Conjunction Risk Parameters R (Radial): -1.578 | I (In-track): -0.556 | C (Cross-track): 0.352
    Collision Risk Index (CRI) 0.45
    X Position (km) -137.362 -137.979
    Position Y (km) -5456.421 -5455.085
    Position Z (km) -4131.839 -4130.967
    Velocity X (km/s) 5.658 7.045
    Velocity Y (km/s) -3.176 1.66
    Velocity Z (km/s) 4.01 -2.409

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4686 STARLINK-30198
    Semimajor Axis (a) 6840.876 km 6839.137 km
    Eccentricity (e) 0.000113 0.001672
    Inclination (i) 53.1596° 42.9826°
    RAAN 309.1872° 41.4903°
    Perigee Argument 84.9514° 335.2569°
    Mean Anomaly (M) 275.1617° 24.7482°
    Apogee 463.514 km 472.438 km
    Perigee 461.964 km 449.562 km
    Orbit Epoch 2026-10-19T08:10:21+0000 2026-10-19T08:30:08+0000

    STARLINK-4686 & STARLINK-30198 Collision Probability (Pc) Trend

    STARLINK-4686 & STARLINK-30198 Collision Probability (Pc) TrendNot Available

    STARLINK-4686 & STARLINK-30198 Miss Distance (Miss Distance) Trend

    STARLINK-4686 & STARLINK-30198 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4686Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30198Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4686Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30198Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4686

    No nearby objects data