Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.199327E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:50:17+0800
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    1 Object 1

    AOE ID 53082
    NORAD ID 53082
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57851
    NORAD ID 57851
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4321 STARLINK-30405
    Time of Closest Approach 2026-09-12T15:38:41+0000
    Collision Probability (Pc) 1.199327E-6
    Conjunction Distance (km) 2.657 km
    Relative Speed (km/s) 9.174 km/s
    Conjunction Risk Parameters R (Radial): -2.646 | I (In-track): -0.186 | C (Cross-track): -0.141
    Collision Risk Index (CRI) 0.37
    X Position (km) 905.79 906.07
    Position Y (km) 4516.327 4518.245
    Position Z (km) -5072.218 -5074.036
    Velocity X (km/s) 2.498 -6.165
    Velocity Y (km/s) 5.148 3.835
    Velocity Z (km/s) 5.033 2.315

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4321 STARLINK-30405
    Semimajor Axis (a) 6843.706 km 6848.906 km
    Eccentricity (e) 0.000194 0.000114
    Inclination (i) 97.2831° 53.1592°
    RAAN 68.9001° 141.5379°
    Perigee Argument 100.1346° 93.8458°
    Mean Anomaly (M) 260.0116° 266.2673°
    Apogee 466.896 km 471.550 km
    Perigee 464.242 km 469.988 km
    Orbit Epoch 2026-09-10T23:08:09+0000 2026-09-11T02:21:20+0000

    STARLINK-4321 & STARLINK-30405 Collision Probability (Pc) Trend

    STARLINK-4321 & STARLINK-30405 Collision Probability (Pc) TrendNot Available

    STARLINK-4321 & STARLINK-30405 Miss Distance (Miss Distance) Trend

    STARLINK-4321 & STARLINK-30405 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4321Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30405Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4321Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30405Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4321

    No nearby objects data