Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.460902E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:15:40+0800
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    1 Object 1

    AOE ID 52840
    NORAD ID 52840
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 56343
    NORAD ID 56343
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4049 STARLINK-5976
    Time of Closest Approach 2026-09-14T07:50:23+0000
    Collision Probability (Pc) 9.460902E-7
    Conjunction Distance (km) 2.7 km
    Relative Speed (km/s) 6.287 km/s
    Conjunction Risk Parameters R (Radial): 2.251 | I (In-track): -1.357 | C (Cross-track): -0.613
    Collision Risk Index (CRI) 0.35
    X Position (km) 2048.039 2046.785
    Position Y (km) 5950.102 5947.749
    Position Z (km) -2712.815 -2713.236
    Velocity X (km/s) -5.45 0.024
    Velocity Y (km/s) -0.539 -3.166
    Velocity Z (km/s) -5.308 -6.938

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4049 STARLINK-5976
    Semimajor Axis (a) 6848.867 km 6843.710 km
    Eccentricity (e) 0.000113 0.000199
    Inclination (i) 53.1620° 97.2844°
    RAAN 241.7472° 251.8216°
    Perigee Argument 87.1790° 72.3657°
    Mean Anomaly (M) 272.9340° 287.7802°
    Apogee 471.503 km 466.935 km
    Perigee 469.957 km 464.211 km
    Orbit Epoch 2026-09-12T06:22:58+0000 2026-09-11T22:34:30+0000

    STARLINK-4049 & STARLINK-5976 Collision Probability (Pc) Trend

    STARLINK-4049 & STARLINK-5976 Collision Probability (Pc) TrendNot Available

    STARLINK-4049 & STARLINK-5976 Miss Distance (Miss Distance) Trend

    STARLINK-4049 & STARLINK-5976 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4049Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5976Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4049Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5976Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4049

    No nearby objects data