Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.25284E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:40:39+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53140
    NORAD ID 53140
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54779
    NORAD ID 54779
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4170 STARLINK-5447
    Time of Closest Approach 2026-09-03T01:17:32+0000
    Collision Probability (Pc) 1.25284E-6
    Conjunction Distance (km) 2.843 km
    Relative Speed (km/s) 11.703 km/s
    Conjunction Risk Parameters R (Radial): 2.808 | I (In-track): 0.29 | C (Cross-track): 0.341
    Collision Risk Index (CRI) 0.37
    X Position (km) 1605.421 1606.513
    Position Y (km) -6181.212 -6183.635
    Position Z (km) -2453.517 -2454.527
    Velocity X (km/s) 4.218 5.27
    Velocity Y (km/s) 3.259 -0.794
    Velocity Z (km/s) -5.464 5.463

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4170 STARLINK-5447
    Semimajor Axis (a) 6837.933 km 6840.896 km
    Eccentricity (e) 0.000133 0.000122
    Inclination (i) 53.1603° 53.1605°
    RAAN 91.3477° 308.2858°
    Perigee Argument 94.9132° 67.9951°
    Mean Anomaly (M) 265.2023° 292.1182°
    Apogee 460.704 km 463.595 km
    Perigee 458.888 km 461.923 km
    Orbit Epoch 2026-09-02T07:12:43+0000 2026-09-01T13:27:11+0000

    STARLINK-4170 & STARLINK-5447 Collision Probability (Pc) Trend

    STARLINK-4170 & STARLINK-5447 Collision Probability (Pc) TrendNot Available

    STARLINK-4170 & STARLINK-5447 Miss Distance (Miss Distance) Trend

    STARLINK-4170 & STARLINK-5447 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4170Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5447Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4170Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5447Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4170

    No nearby objects data