Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.223119E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:38:29+0800
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    1 Object 1

    AOE ID 53780
    NORAD ID 53780
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58891
    NORAD ID 58891
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4678 STARLINK-31245
    Time of Closest Approach 2026-10-20T02:28:41+0000
    Collision Probability (Pc) 3.223119E-4
    Conjunction Distance (km) 0.244 km
    Relative Speed (km/s) 2.294 km/s
    Conjunction Risk Parameters R (Radial): -0.207 | I (In-track): -0.125 | C (Cross-track): 0.02
    Collision Risk Index (CRI) 0.85
    X Position (km) 2409.982 2410.012
    Position Y (km) 3373.284 3373.107
    Position Z (km) 5431.42 5431.256
    Velocity X (km/s) -6.676 -5.615
    Velocity Y (km/s) 3.648 5.133
    Velocity Z (km/s) 0.695 -0.694

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4678 STARLINK-31245
    Semimajor Axis (a) 6840.879 km 6840.655 km
    Eccentricity (e) 0.000147 0.000150
    Inclination (i) 53.1591° 53.1583°
    RAAN 339.6026° 317.9988°
    Perigee Argument 91.3406° 67.6467°
    Mean Anomaly (M) 268.7764° 292.4695°
    Apogee 463.745 km 463.548 km
    Perigee 461.739 km 461.488 km
    Orbit Epoch 2026-10-19T04:13:50+0000 2026-10-19T04:10:30+0000

    STARLINK-4678 & STARLINK-31245 Collision Probability (Pc) Trend

    STARLINK-4678 & STARLINK-31245 Collision Probability (Pc) TrendNot Available

    STARLINK-4678 & STARLINK-31245 Miss Distance (Miss Distance) Trend

    STARLINK-4678 & STARLINK-31245 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4678Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31245Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4678Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31245Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4678

    No nearby objects data