Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.504892E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:09:46+0800
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    1 Object 1

    AOE ID 53278
    NORAD ID 53278
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66239
    NORAD ID 66239
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4180 STARLINK-35554
    Time of Closest Approach 2026-10-27T20:06:17+0000
    Collision Probability (Pc) 1.504892E-6
    Conjunction Distance (km) 2.242 km
    Relative Speed (km/s) 8.014 km/s
    Conjunction Risk Parameters R (Radial): -0.597 | I (In-track): 1.836 | C (Cross-track): -1.138
    Collision Risk Index (CRI) 0.39
    X Position (km) -4304.77 -4305.371
    Position Y (km) 2189.367 2187.25
    Position Z (km) -4860.526 -4860.105
    Velocity X (km/s) -5.473 -0.404
    Velocity Y (km/s) -4.496 -7.07
    Velocity Z (km/s) 2.823 -2.825

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4180 STARLINK-35554
    Semimajor Axis (a) 6849.728 km 6848.786 km
    Eccentricity (e) 0.000366 0.000301
    Inclination (i) 53.1556° 53.1680°
    RAAN 205.3261° 287.9538°
    Perigee Argument 288.2938° 259.2878°
    Mean Anomaly (M) 71.7665° 100.7784°
    Apogee 474.096 km 472.714 km
    Perigee 469.086 km 468.584 km
    Orbit Epoch 2026-10-27T03:08:50+0000 2026-10-27T00:15:33+0000

    STARLINK-4180 & STARLINK-35554 Collision Probability (Pc) Trend

    STARLINK-4180 & STARLINK-35554 Collision Probability (Pc) TrendNot Available

    STARLINK-4180 & STARLINK-35554 Miss Distance (Miss Distance) Trend

    STARLINK-4180 & STARLINK-35554 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4180Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35554Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4180Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35554Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4180

    No nearby objects data