Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.865222E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:21:59+0800
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    1 Object 1

    AOE ID 53184
    NORAD ID 53184
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 56339
    NORAD ID 56339
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4257 STARLINK-5552
    Time of Closest Approach 2026-10-29T05:58:13+0000
    Collision Probability (Pc) 1.865222E-6
    Conjunction Distance (km) 2.404 km
    Relative Speed (km/s) 14.495 km/s
    Conjunction Risk Parameters R (Radial): -2.359 | I (In-track): -0.141 | C (Cross-track): 0.439
    Collision Risk Index (CRI) 0.4
    X Position (km) -2078.418 -2077.357
    Position Y (km) 5448.902 5447.275
    Position Z (km) -3598.704 -3597.288
    Velocity X (km/s) -6.031 2.471
    Velocity Y (km/s) 0.738 -3.291
    Velocity Z (km/s) 4.607 -6.419

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4257 STARLINK-5552
    Semimajor Axis (a) 6849.043 km 6843.685 km
    Eccentricity (e) 0.000039 0.000147
    Inclination (i) 53.1593° 97.2854°
    RAAN 144.4791° 293.6921°
    Perigee Argument 24.8222° 91.6614°
    Mean Anomaly (M) 335.2798° 268.4797°
    Apogee 471.176 km 466.554 km
    Perigee 470.636 km 464.542 km
    Orbit Epoch 2026-10-27T22:49:40+0000 2026-10-27T12:19:49+0000

    STARLINK-4257 & STARLINK-5552 Collision Probability (Pc) Trend

    STARLINK-4257 & STARLINK-5552 Collision Probability (Pc) TrendNot Available

    STARLINK-4257 & STARLINK-5552 Miss Distance (Miss Distance) Trend

    STARLINK-4257 & STARLINK-5552 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4257Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5552Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4257Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5552Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4257

    No nearby objects data