Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.269072E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:52:47+0800
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    1 Object 1

    AOE ID 52858
    NORAD ID 52858
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53735
    NORAD ID 53735
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4198 STARLINK-4618
    Time of Closest Approach 2026-09-12T16:10:40+0000
    Collision Probability (Pc) 1.269072E-6
    Conjunction Distance (km) 2.726 km
    Relative Speed (km/s) 10.805 km/s
    Conjunction Risk Parameters R (Radial): -2.623 | I (In-track): -0.512 | C (Cross-track): -0.528
    Collision Risk Index (CRI) 0.37
    X Position (km) -1231.963 -1230.77
    Position Y (km) 5683.181 5681.154
    Position Z (km) -3616.48 -3615.103
    Velocity X (km/s) -4.659 -5.868
    Velocity Y (km/s) -3.926 1.645
    Velocity Z (km/s) -4.589 4.59

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4198 STARLINK-4618
    Semimajor Axis (a) 6843.391 km 6840.879 km
    Eccentricity (e) 0.000136 0.000122
    Inclination (i) 53.1598° 53.1603°
    RAAN 258.8875° 137.5940°
    Perigee Argument 82.0895° 85.3837°
    Mean Anomaly (M) 278.0261° 274.7305°
    Apogee 466.183 km 463.576 km
    Perigee 464.325 km 461.908 km
    Orbit Epoch 2026-09-11T17:19:11+0000 2026-09-11T01:16:33+0000

    STARLINK-4198 & STARLINK-4618 Collision Probability (Pc) Trend

    STARLINK-4198 & STARLINK-4618 Collision Probability (Pc) TrendNot Available

    STARLINK-4198 & STARLINK-4618 Miss Distance (Miss Distance) Trend

    STARLINK-4198 & STARLINK-4618 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4198Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4618Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4198Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4618Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4198

    No nearby objects data