Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.21884E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:44:11+0800
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    1 Object 1

    AOE ID 48104
    NORAD ID 48104
    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-2439 STARLINK-4438
    Time of Closest Approach 2026-09-03T17:24:10+0000
    Collision Probability (Pc) 1.21884E-6
    Conjunction Distance (km) 2.76 km
    Relative Speed (km/s) 10.392 km/s
    Conjunction Risk Parameters R (Radial): 2.437 | I (In-track): 0.953 | C (Cross-track): 0.877
    Collision Risk Index (CRI) 0.37
    X Position (km) 1767.631 1766.757
    Position Y (km) -3888.884 -3888.567
    Position Z (km) -5360.19 -5357.592
    Velocity X (km/s) 6.007 -3.824
    Velocity Y (km/s) 4.507 4.669
    Velocity Z (km/s) -1.289 -4.652

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2439 STARLINK-4438
    Semimajor Axis (a) 6848.809 km 6843.701 km
    Eccentricity (e) 0.000094 0.000176
    Inclination (i) 53.1594° 97.2845°
    RAAN 52.9904° 122.1473°
    Perigee Argument 72.6102° 87.9903°
    Mean Anomaly (M) 287.5002° 272.1541°
    Apogee 471.314 km 466.768 km
    Perigee 470.030 km 464.360 km
    Orbit Epoch 2026-09-01T20:26:05+0000 2026-09-02T04:22:25+0000

    STARLINK-2439 & STARLINK-4438 Collision Probability (Pc) Trend

    STARLINK-2439 & STARLINK-4438 Collision Probability (Pc) TrendNot Available

    STARLINK-2439 & STARLINK-4438 Miss Distance (Miss Distance) Trend

    STARLINK-2439 & STARLINK-4438 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2439Miss 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-2439Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4438Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2439

    No nearby objects data