Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.750355E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T09:47:54+0800
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    1 Object 1

    AOE ID 53489
    NORAD ID 53489
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54783
    NORAD ID 54783
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4392 STARLINK-5439
    Time of Closest Approach 2026-10-25T05:32:56+0000
    Collision Probability (Pc) 9.750355E-7
    Conjunction Distance (km) 2.564 km
    Relative Speed (km/s) 5.782 km/s
    Conjunction Risk Parameters R (Radial): 2.558 | I (In-track): -0.165 | C (Cross-track): 0.071
    Collision Risk Index (CRI) 0.35
    X Position (km) 4133.475 4135.044
    Position Y (km) 5387.632 5389.596
    Position Z (km) -884.807 -885.31
    Velocity X (km/s) 1.364 -3.185
    Velocity Y (km/s) 0.176 3.425
    Velocity Z (km/s) 7.505 6.029

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4392 STARLINK-5439
    Semimajor Axis (a) 6843.779 km 6848.874 km
    Eccentricity (e) 0.000125 0.000129
    Inclination (i) 97.2864° 53.1613°
    RAAN 50.5851° 63.5720°
    Perigee Argument 101.6794° 69.0781°
    Mean Anomaly (M) 258.4589° 291.0359°
    Apogee 466.497 km 471.623 km
    Perigee 464.787 km 469.851 km
    Orbit Epoch 2026-10-24T06:05:21+0000 2026-10-24T01:24:04+0000

    STARLINK-4392 & STARLINK-5439 Collision Probability (Pc) Trend

    STARLINK-4392 & STARLINK-5439 Collision Probability (Pc) TrendNot Available

    STARLINK-4392 & STARLINK-5439 Miss Distance (Miss Distance) Trend

    STARLINK-4392 & STARLINK-5439 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4392Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5439Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4392Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5439Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4392

    No nearby objects data