Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.866083E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:50:04+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 67931
    NORAD ID 67931
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5477 STARLINK-36781
    Time of Closest Approach 2026-10-28T13:40:11+0000
    Collision Probability (Pc) 7.866083E-6
    Conjunction Distance (km) 1.272 km
    Relative Speed (km/s) 8.336 km/s
    Conjunction Risk Parameters R (Radial): 1.141 | I (In-track): 0.468 | C (Cross-track): -0.313
    Collision Risk Index (CRI) 0.53
    X Position (km) 332.47 333.032
    Position Y (km) -5019.086 -5020.07
    Position Z (km) -4660.743 -4661.322
    Velocity X (km/s) 3.848 7.562
    Velocity Y (km/s) -4.336 0.873
    Velocity Z (km/s) 4.946 -0.398

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5477 STARLINK-36781
    Semimajor Axis (a) 6852.574 km 6858.876 km
    Eccentricity (e) 0.000227 0.000573
    Inclination (i) 70.0020° 42.9922°
    RAAN 296.9499° 17.0946°
    Perigee Argument 280.0661° 283.1516°
    Mean Anomaly (M) 80.0259° 76.8696°
    Apogee 475.991 km 484.672 km
    Perigee 472.883 km 476.806 km
    Orbit Epoch 2026-10-27T06:29:58+0000 2026-10-27T06:42:44+0000

    STARLINK-5477 & STARLINK-36781 Collision Probability (Pc) Trend

    STARLINK-5477 & STARLINK-36781 Collision Probability (Pc) TrendNot Available

    STARLINK-5477 & STARLINK-36781 Miss Distance (Miss Distance) Trend

    STARLINK-5477 & STARLINK-36781 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5477Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36781Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5477Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36781Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5477

    No nearby objects data