Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.353629E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T12:39:25+0800
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    1 Object 1

    AOE ID 54800
    NORAD ID 54800
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69690
    NORAD ID 69690
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5428 STARLINK-37940
    Time of Closest Approach 2026-09-11T12:30:00+0000
    Collision Probability (Pc) 1.353629E-6
    Conjunction Distance (km) 2.968 km
    Relative Speed (km/s) 14.734 km/s
    Conjunction Risk Parameters R (Radial): 2.884 | I (In-track): -0.198 | C (Cross-track): -0.672
    Collision Risk Index (CRI) 0.38
    X Position (km) 1495.009 1495.017
    Position Y (km) -6525.449 -6522.616
    Position Z (km) 1440.661 1439.777
    Velocity X (km/s) 4.276 -0.606
    Velocity Y (km/s) 2.29 -1.783
    Velocity Z (km/s) 5.894 -7.397

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5428 STARLINK-37940
    Semimajor Axis (a) 6848.884 km 6843.668 km
    Eccentricity (e) 0.000135 0.000201
    Inclination (i) 53.1607° 97.2834°
    RAAN 279.1020° 100.4024°
    Perigee Argument 83.4750° 84.9933°
    Mean Anomaly (M) 276.6405° 275.1539°
    Apogee 471.673 km 466.906 km
    Perigee 469.821 km 464.156 km
    Orbit Epoch 2026-09-10T08:14:44+0000 2026-09-10T13:50:46+0000

    STARLINK-5428 & STARLINK-37940 Collision Probability (Pc) Trend

    STARLINK-5428 & STARLINK-37940 Collision Probability (Pc) TrendNot Available

    STARLINK-5428 & STARLINK-37940 Miss Distance (Miss Distance) Trend

    STARLINK-5428 & STARLINK-37940 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5428Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37940Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5428Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37940Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5428

    No nearby objects data