Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.024507E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:19:22+0800
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    1 Object 1

    AOE ID 55659
    NORAD ID 55659
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57606
    NORAD ID 57606
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5477 STARLINK-30255
    Time of Closest Approach 2026-10-28T19:33:27+0000
    Collision Probability (Pc) 1.024507E-6
    Conjunction Distance (km) 2.996 km
    Relative Speed (km/s) 9.195 km/s
    Conjunction Risk Parameters R (Radial): -1.545 | I (In-track): -2.046 | C (Cross-track): 1.548
    Collision Risk Index (CRI) 0.35
    X Position (km) -3412.554 -3414.556
    Position Y (km) 3818.01 3816.778
    Position Z (km) -4561.295 -4563.151
    Velocity X (km/s) 0.4 -6.239
    Velocity Y (km/s) -5.684 -4.23
    Velocity Z (km/s) -5.059 1.134

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5477 STARLINK-30255
    Semimajor Axis (a) 6852.574 km 6861.141 km
    Eccentricity (e) 0.000227 0.000792
    Inclination (i) 70.0020° 42.9895°
    RAAN 296.9499° 214.3883°
    Perigee Argument 280.0661° 286.4569°
    Mean Anomaly (M) 80.0259° 73.5412°
    Apogee 475.991 km 488.440 km
    Perigee 472.883 km 477.568 km
    Orbit Epoch 2026-10-27T06:29:58+0000 2026-10-27T03:05:39+0000

    STARLINK-5477 & STARLINK-30255 Collision Probability (Pc) Trend

    STARLINK-5477 & STARLINK-30255 Collision Probability (Pc) TrendNot Available

    STARLINK-5477 & STARLINK-30255 Miss Distance (Miss Distance) Trend

    STARLINK-5477 & STARLINK-30255 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5477Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30255Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5477Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30255Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5477

    No nearby objects data