Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.801017E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T10:52:33+0800
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    1 Object 1

    AOE ID 55429
    NORAD ID 55429
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57257
    NORAD ID 57257
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5645 STARLINK-5503
    Time of Closest Approach 2026-10-25T04:49:00+0000
    Collision Probability (Pc) 8.801017E-7
    Conjunction Distance (km) 2.985 km
    Relative Speed (km/s) 6.944 km/s
    Conjunction Risk Parameters R (Radial): 2.565 | I (In-track): -1.359 | C (Cross-track): -0.693
    Collision Risk Index (CRI) 0.34
    X Position (km) 2409.263 2411.541
    Position Y (km) 4460.248 4461.848
    Position Z (km) -4621.419 -4622.493
    Velocity X (km/s) -5.265 -6.983
    Velocity Y (km/s) -2.327 2.94
    Velocity Z (km/s) -4.991 -0.805

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5645 STARLINK-5503
    Semimajor Axis (a) 6855.177 km 6861.216 km
    Eccentricity (e) 0.000298 0.000341
    Inclination (i) 69.9981° 43.0076°
    RAAN 224.7586° 170.2565°
    Perigee Argument 270.7000° 265.9609°
    Mean Anomaly (M) 89.3834° 94.0853°
    Apogee 479.081 km 485.421 km
    Perigee 474.999 km 480.737 km
    Orbit Epoch 2026-10-24T05:51:36+0000 2026-10-24T01:00:04+0000

    STARLINK-5645 & STARLINK-5503 Collision Probability (Pc) Trend

    STARLINK-5645 & STARLINK-5503 Collision Probability (Pc) TrendNot Available

    STARLINK-5645 & STARLINK-5503 Miss Distance (Miss Distance) Trend

    STARLINK-5645 & STARLINK-5503 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5645Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5503Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5645Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5503Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5645

    No nearby objects data