Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.29315E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:08:40+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 65330
    NORAD ID 65330
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4421 STARLINK-34864
    Time of Closest Approach 2026-09-03T13:39:02+0000
    Collision Probability (Pc) 1.29315E-6
    Conjunction Distance (km) 2.763 km
    Relative Speed (km/s) 11.548 km/s
    Conjunction Risk Parameters R (Radial): -2.529 | I (In-track): 0.719 | C (Cross-track): -0.846
    Collision Risk Index (CRI) 0.37
    X Position (km) -3984.91 -3985.855
    Position Y (km) -1015.932 -1015.493
    Position Z (km) 5463.472 5466.03
    Velocity X (km/s) -6.181 1.479
    Velocity Y (km/s) 0.086 -7.484
    Velocity Z (km/s) -4.481 -0.311

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4421 STARLINK-34864
    Semimajor Axis (a) 6843.702 km 6848.833 km
    Eccentricity (e) 0.000116 0.000133
    Inclination (i) 97.2849° 53.1574°
    RAAN 3.2728° 104.0613°
    Perigee Argument 85.8000° 89.2180°
    Mean Anomaly (M) 274.3375° 270.8973°
    Apogee 466.362 km 471.605 km
    Perigee 464.768 km 469.787 km
    Orbit Epoch 2026-09-02T07:20:44+0000 2026-09-02T13:45:26+0000

    STARLINK-4421 & STARLINK-34864 Collision Probability (Pc) Trend

    STARLINK-4421 & STARLINK-34864 Collision Probability (Pc) TrendNot Available

    STARLINK-4421 & STARLINK-34864 Miss Distance (Miss Distance) Trend

    STARLINK-4421 & STARLINK-34864 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4421Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34864Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4421Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34864Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4421

    No nearby objects data