Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.391936E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:07:34+0800
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    1 Object 1

    AOE ID 53675
    NORAD ID 53675
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54783
    NORAD ID 54783
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4617 STARLINK-5439
    Time of Closest Approach 2026-09-04T09:45:00+0000
    Collision Probability (Pc) 1.391936E-6
    Conjunction Distance (km) 2.901 km
    Relative Speed (km/s) 14.719 km/s
    Conjunction Risk Parameters R (Radial): 2.832 | I (In-track): 0.16 | C (Cross-track): 0.608
    Collision Risk Index (CRI) 0.38
    X Position (km) 3921.549 3923.676
    Position Y (km) -5318.715 -5320.62
    Position Z (km) 1782.891 1783.399
    Velocity X (km/s) 0.37 2.884
    Velocity Y (km/s) -2.19 4.074
    Velocity Z (km/s) -7.304 5.776

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4617 STARLINK-5439
    Semimajor Axis (a) 6843.690 km 6848.864 km
    Eccentricity (e) 0.000166 0.000122
    Inclination (i) 97.2842° 53.1590°
    RAAN 123.2370° 303.2625°
    Perigee Argument 89.7881° 78.9858°
    Mean Anomaly (M) 270.3552° 281.1281°
    Apogee 466.692 km 471.562 km
    Perigee 464.414 km 469.892 km
    Orbit Epoch 2026-09-03T04:50:40+0000 2026-09-02T13:49:10+0000

    STARLINK-4617 & STARLINK-5439 Collision Probability (Pc) Trend

    STARLINK-4617 & STARLINK-5439 Collision Probability (Pc) TrendNot Available

    STARLINK-4617 & STARLINK-5439 Miss Distance (Miss Distance) Trend

    STARLINK-4617 & STARLINK-5439 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4617Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5439Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4617Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5439Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4617

    No nearby objects data