Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.348265E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:30:38+0800
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    1 Object 1

    AOE ID 53488
    NORAD ID 53488
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65401
    NORAD ID 65401
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4421 STARLINK-34909
    Time of Closest Approach 2026-09-04T09:01:33+0000
    Collision Probability (Pc) 2.348265E-6
    Conjunction Distance (km) 2.064 km
    Relative Speed (km/s) 12.254 km/s
    Conjunction Risk Parameters R (Radial): 1.952 | I (In-track): 0.399 | C (Cross-track): 0.54
    Collision Risk Index (CRI) 0.42
    X Position (km) -1260.376 -1260.357
    Position Y (km) 742.793 742.004
    Position Z (km) -6693.837 -6691.93
    Velocity X (km/s) 7.453 -2.861
    Velocity Y (km/s) 0.861 6.937
    Velocity Z (km/s) -1.308 1.309

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4421 STARLINK-34909
    Semimajor Axis (a) 6843.702 km 6843.929 km
    Eccentricity (e) 0.000116 0.000209
    Inclination (i) 97.2849° 97.2849°
    RAAN 3.2728° 111.9197°
    Perigee Argument 85.8000° 83.4875°
    Mean Anomaly (M) 274.3375° 23.8708°
    Apogee 466.362 km 467.220 km
    Perigee 464.768 km 464.364 km
    Orbit Epoch 2026-09-02T07:20:44+0000 2026-09-02T14:00:02+0000

    STARLINK-4421 & STARLINK-34909 Collision Probability (Pc) Trend

    STARLINK-4421 & STARLINK-34909 Collision Probability (Pc) TrendNot Available

    STARLINK-4421 & STARLINK-34909 Miss Distance (Miss Distance) Trend

    STARLINK-4421 & STARLINK-34909 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4421Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34909Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4421Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34909Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4421

    No nearby objects data