Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.984027E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T13:33:47+0800
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    1 Object 1

    AOE ID 48299
    NORAD ID 48299
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53055
    NORAD ID 53055
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2557 STARLINK-4338
    Time of Closest Approach 2026-10-21T02:29:09+0000
    Collision Probability (Pc) 3.984027E-6
    Conjunction Distance (km) 1.447 km
    Relative Speed (km/s) 5.744 km/s
    Conjunction Risk Parameters R (Radial): -1.147 | I (In-track): -0.815 | C (Cross-track): 0.335
    Collision Risk Index (CRI) 0.47
    X Position (km) -2207.915 -2208.484
    Position Y (km) 6465.261 6466.221
    Position Z (km) 419.519 420.439
    Velocity X (km/s) -4.214 1.071
    Velocity Y (km/s) -1.844 -0.136
    Velocity Z (km/s) 6.093 7.556

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2557 STARLINK-4338
    Semimajor Axis (a) 6845.914 km 6843.696 km
    Eccentricity (e) 0.000288 0.000198
    Inclination (i) 53.1596° 97.2857°
    RAAN 116.5631° 106.6702°
    Perigee Argument 87.4703° 83.8784°
    Mean Anomaly (M) 272.6628° 276.2685°
    Apogee 469.750 km 466.916 km
    Perigee 465.804 km 464.202 km
    Orbit Epoch 2026-10-18T21:15:59+0000 2026-10-18T10:15:34+0000

    STARLINK-2557 & STARLINK-4338 Collision Probability (Pc) Trend

    STARLINK-2557 & STARLINK-4338 Collision Probability (Pc) TrendNot Available

    STARLINK-2557 & STARLINK-4338 Miss Distance (Miss Distance) Trend

    STARLINK-2557 & STARLINK-4338 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2557Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4338Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2557Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4338Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2557

    No nearby objects data