Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.727665E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T01:47:49+0800
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    1 Object 1

    AOE ID 55369
    NORAD ID 55369
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63827
    NORAD ID 63827
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5644 STARLINK-33891
    Time of Closest Approach 2026-09-05T07:01:04+0000
    Collision Probability (Pc) 3.727665E-6
    Conjunction Distance (km) 1.663 km
    Relative Speed (km/s) 10.013 km/s
    Conjunction Risk Parameters R (Radial): 0.073 | I (In-track): 1.254 | C (Cross-track): 1.091
    Collision Risk Index (CRI) 0.46
    X Position (km) 4878 4879.076
    Position Y (km) 4516.258 4514.992
    Position Z (km) 1690.499 1690.481
    Velocity X (km/s) -4.818 -2.999
    Velocity Y (km/s) 3.38 5.065
    Velocity Z (km/s) 4.851 -4.85

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5644 STARLINK-33891
    Semimajor Axis (a) 6861.210 km 6861.157 km
    Eccentricity (e) 0.000132 0.000099
    Inclination (i) 43.0042° 42.9977°
    RAAN 46.5609° 255.4069°
    Perigee Argument 248.9605° 271.9726°
    Mean Anomaly (M) 111.1106° 88.1012°
    Apogee 483.976 km 483.700 km
    Perigee 482.170 km 482.340 km
    Orbit Epoch 2026-09-01T19:45:14+0000 2026-09-02T07:42:40+0000

    STARLINK-5644 & STARLINK-33891 Collision Probability (Pc) Trend

    STARLINK-5644 & STARLINK-33891 Collision Probability (Pc) TrendNot Available

    STARLINK-5644 & STARLINK-33891 Miss Distance (Miss Distance) Trend

    STARLINK-5644 & STARLINK-33891 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5644Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33891Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5644Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33891Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5644

    No nearby objects data