Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.001878E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:50:05+0800
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    1 Object 1

    AOE ID 52639
    NORAD ID 52639
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53249
    NORAD ID 53249
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3968 STARLINK-4128
    Time of Closest Approach 2026-10-29T10:42:51+0000
    Collision Probability (Pc) 1.001878E-6
    Conjunction Distance (km) 2.656 km
    Relative Speed (km/s) 6.679 km/s
    Conjunction Risk Parameters R (Radial): -2.655 | I (In-track): 0.006 | C (Cross-track): 0.002
    Collision Risk Index (CRI) 0.35
    X Position (km) 3819.072 3820.551
    Position Y (km) -2493.996 -2494.969
    Position Z (km) 5095.977 5097.956
    Velocity X (km/s) 1.669 5.839
    Velocity Y (km/s) 7.107 4.387
    Velocity Z (km/s) 2.228 -2.223

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3968 STARLINK-4128
    Semimajor Axis (a) 6840.712 km 6848.914 km
    Eccentricity (e) 0.000902 0.000092
    Inclination (i) 53.1673° 53.1582°
    RAAN 280.4021° 214.1725°
    Perigee Argument 280.7934° 111.5224°
    Mean Anomaly (M) 79.2053° 248.5876°
    Apogee 468.745 km 471.410 km
    Perigee 456.405 km 470.144 km
    Orbit Epoch 2026-10-27T05:16:00+0000 2026-10-27T04:59:09+0000

    STARLINK-3968 & STARLINK-4128 Collision Probability (Pc) Trend

    STARLINK-3968 & STARLINK-4128 Collision Probability (Pc) TrendNot Available

    STARLINK-3968 & STARLINK-4128 Miss Distance (Miss Distance) Trend

    STARLINK-3968 & STARLINK-4128 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3968Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4128Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3968Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4128Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3968

    No nearby objects data