Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.637496E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:44:11+0800
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    1 Object 1

    AOE ID 52552
    NORAD ID 52552
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53682
    NORAD ID 53682
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3966 STARLINK-4438
    Time of Closest Approach 2026-09-04T21:35:56+0000
    Collision Probability (Pc) 1.637496E-6
    Conjunction Distance (km) 2.375 km
    Relative Speed (km/s) 11.208 km/s
    Conjunction Risk Parameters R (Radial): 2.345 | I (In-track): -0.26 | C (Cross-track): -0.27
    Collision Risk Index (CRI) 0.39
    X Position (km) 1760.561 1760.044
    Position Y (km) -3753.693 -3752.095
    Position Z (km) -5457.988 -5456.31
    Velocity X (km/s) 6.508 -3.965
    Velocity Y (km/s) 3.918 4.692
    Velocity Z (km/s) -0.596 -4.508

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3966 STARLINK-4438
    Semimajor Axis (a) 6848.901 km 6843.701 km
    Eccentricity (e) 0.000067 0.000176
    Inclination (i) 53.1613° 97.2845°
    RAAN 49.2211° 122.1473°
    Perigee Argument 86.7109° 87.9903°
    Mean Anomaly (M) 273.3969° 272.1541°
    Apogee 471.220 km 466.768 km
    Perigee 470.308 km 464.360 km
    Orbit Epoch 2026-09-01T17:16:51+0000 2026-09-02T04:22:25+0000

    STARLINK-3966 & STARLINK-4438 Collision Probability (Pc) Trend

    STARLINK-3966 & STARLINK-4438 Collision Probability (Pc) TrendNot Available

    STARLINK-3966 & STARLINK-4438 Miss Distance (Miss Distance) Trend

    STARLINK-3966 & STARLINK-4438 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3966Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4438Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3966Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4438Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3966

    No nearby objects data