Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.940365E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:43:58+0800
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    1 Object 1

    AOE ID 52628
    NORAD ID 52628
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53578
    NORAD ID 53578
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4001 STARLINK-4556
    Time of Closest Approach 2026-10-28T16:13:10+0000
    Collision Probability (Pc) 6.940365E-6
    Conjunction Distance (km) 1.396 km
    Relative Speed (km/s) 10.971 km/s
    Conjunction Risk Parameters R (Radial): 0.715 | I (In-track): -0.835 | C (Cross-track): 0.86
    Collision Risk Index (CRI) 0.52
    X Position (km) -133.556 -134.74
    Position Y (km) 5889.389 5888.745
    Position Z (km) 3470.972 3470.611
    Velocity X (km/s) -5.376 -5.25
    Velocity Y (km/s) 2.667 -2.913
    Velocity Z (km/s) -4.722 4.722

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4001 STARLINK-4556
    Semimajor Axis (a) 6837.716 km 6840.892 km
    Eccentricity (e) 0.000570 0.000137
    Inclination (i) 53.1581° 53.1611°
    RAAN 303.4274° 70.0034°
    Perigee Argument 286.1026° 97.2145°
    Mean Anomaly (M) 73.9349° 262.9013°
    Apogee 463.476 km 463.691 km
    Perigee 455.682 km 461.819 km
    Orbit Epoch 2026-10-27T09:55:41+0000 2026-10-27T15:02:11+0000

    STARLINK-4001 & STARLINK-4556 Collision Probability (Pc) Trend

    STARLINK-4001 & STARLINK-4556 Collision Probability (Pc) TrendNot Available

    STARLINK-4001 & STARLINK-4556 Miss Distance (Miss Distance) Trend

    STARLINK-4001 & STARLINK-4556 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4001Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4556Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4001Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4556Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4001

    No nearby objects data