Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.468852E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:19:44+0800
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    1 Object 1

    AOE ID 53004
    NORAD ID 53004
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68034
    NORAD ID 68034
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4253 STARLINK-36939
    Time of Closest Approach 2026-09-04T07:15:01+0000
    Collision Probability (Pc) 1.468852E-6
    Conjunction Distance (km) 2.789 km
    Relative Speed (km/s) 14.734 km/s
    Conjunction Risk Parameters R (Radial): 2.732 | I (In-track): -0.144 | C (Cross-track): -0.542
    Collision Risk Index (CRI) 0.38
    X Position (km) 6420.932 6418.267
    Position Y (km) 1898.93 1898.683
    Position Z (km) 1435.28 1434.499
    Velocity X (km/s) -2.547 1.811
    Velocity Y (km/s) 4.126 -0.496
    Velocity Z (km/s) 5.895 -7.398

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4253 STARLINK-36939
    Semimajor Axis (a) 6848.875 km 6843.655 km
    Eccentricity (e) 0.000100 0.000121
    Inclination (i) 53.1623° 97.2852°
    RAAN 17.5718° 192.9487°
    Perigee Argument 88.4728° 61.1137°
    Mean Anomaly (M) 271.6388° 299.0227°
    Apogee 471.423 km 466.347 km
    Perigee 470.053 km 464.689 km
    Orbit Epoch 2026-09-02T01:56:25+0000 2026-09-02T07:32:22+0000

    STARLINK-4253 & STARLINK-36939 Collision Probability (Pc) Trend

    STARLINK-4253 & STARLINK-36939 Collision Probability (Pc) TrendNot Available

    STARLINK-4253 & STARLINK-36939 Miss Distance (Miss Distance) Trend

    STARLINK-4253 & STARLINK-36939 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4253Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36939Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4253Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36939Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4253

    No nearby objects data