Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.785043E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:40:43+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 68518
    NORAD ID 68518
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4170 STARLINK-36857
    Time of Closest Approach 2026-09-04T16:31:48+0000
    Collision Probability (Pc) 9.785043E-7
    Conjunction Distance (km) 2.705 km
    Relative Speed (km/s) 6.711 km/s
    Conjunction Risk Parameters R (Radial): 2.687 | I (In-track): 0.279 | C (Cross-track): 0.142
    Collision Risk Index (CRI) 0.35
    X Position (km) 3333.019 3334.543
    Position Y (km) -3127.613 -3128.615
    Position Z (km) -5093.122 -5095.118
    Velocity X (km/s) 2.866 6.505
    Velocity Y (km/s) 6.702 3.286
    Velocity Z (km/s) -2.242 2.241

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4170 STARLINK-36857
    Semimajor Axis (a) 6837.933 km 6840.829 km
    Eccentricity (e) 0.000133 0.000115
    Inclination (i) 53.1603° 53.1596°
    RAAN 91.3477° 26.8290°
    Perigee Argument 94.9132° 91.6135°
    Mean Anomaly (M) 265.2023° 268.5000°
    Apogee 460.704 km 463.482 km
    Perigee 458.888 km 461.902 km
    Orbit Epoch 2026-09-02T07:12:43+0000 2026-09-01T20:02:50+0000

    STARLINK-4170 & STARLINK-36857 Collision Probability (Pc) Trend

    STARLINK-4170 & STARLINK-36857 Collision Probability (Pc) TrendNot Available

    STARLINK-4170 & STARLINK-36857 Miss Distance (Miss Distance) Trend

    STARLINK-4170 & STARLINK-36857 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4170Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36857Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4170Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36857Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4170

    No nearby objects data