Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.607967E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:30:51+0800
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    1 Object 1

    AOE ID 53003
    NORAD ID 53003
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66272
    NORAD ID 66272
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4255 STARLINK-35741
    Time of Closest Approach 2026-10-20T19:21:57+0000
    Collision Probability (Pc) 8.607967E-6
    Conjunction Distance (km) 1.22 km
    Relative Speed (km/s) 7.717 km/s
    Conjunction Risk Parameters R (Radial): -0.8 | I (In-track): 0.795 | C (Cross-track): -0.464
    Collision Risk Index (CRI) 0.54
    X Position (km) -73.939 -74.851
    Position Y (km) 4759.917 4759.347
    Position Z (km) -4920.383 -4919.807
    Velocity X (km/s) -6.62 -6.534
    Velocity Y (km/s) 2.669 -2.875
    Velocity Z (km/s) 2.683 -2.684

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4255 STARLINK-35741
    Semimajor Axis (a) 6840.875 km 6840.789 km
    Eccentricity (e) 0.000135 0.000108
    Inclination (i) 53.1569° 53.1581°
    RAAN 150.1680° 227.6176°
    Perigee Argument 93.2735° 112.2418°
    Mean Anomaly (M) 266.8422° 247.8699°
    Apogee 463.660 km 463.392 km
    Perigee 461.816 km 461.912 km
    Orbit Epoch 2026-10-18T23:52:21+0000 2026-10-19T04:47:28+0000

    STARLINK-4255 & STARLINK-35741 Collision Probability (Pc) Trend

    STARLINK-4255 & STARLINK-35741 Collision Probability (Pc) TrendNot Available

    STARLINK-4255 & STARLINK-35741 Miss Distance (Miss Distance) Trend

    STARLINK-4255 & STARLINK-35741 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4255Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35741Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4255Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35741Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4255

    No nearby objects data