Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.260791E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:42:58+0800
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    1 Object 1

    AOE ID 52559
    NORAD ID 52559
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53655
    NORAD ID 53655
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3953 STARLINK-4470
    Time of Closest Approach 2026-09-04T20:21:50+0000
    Collision Probability (Pc) 1.260791E-6
    Conjunction Distance (km) 2.887 km
    Relative Speed (km/s) 12.252 km/s
    Conjunction Risk Parameters R (Radial): 2.578 | I (In-track): -0.78 | C (Cross-track): 1.039
    Collision Risk Index (CRI) 0.37
    X Position (km) -2403.489 -2402.803
    Position Y (km) 3329.932 3327.541
    Position Z (km) 5457.301 5455.836
    Velocity X (km/s) -6.429 4.843
    Velocity Y (km/s) -4.116 -3.86
    Velocity Z (km/s) -0.319 4.476

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3953 STARLINK-4470
    Semimajor Axis (a) 6837.875 km 6833.328 km
    Eccentricity (e) 0.000123 0.000177
    Inclination (i) 53.1615° 97.5307°
    RAAN 45.5469° 133.2839°
    Perigee Argument 82.2745° 98.7215°
    Mean Anomaly (M) 277.8397° 261.4230°
    Apogee 460.577 km 456.404 km
    Perigee 458.899 km 453.978 km
    Orbit Epoch 2026-09-01T16:58:26+0000 2026-09-02T05:37:45+0000

    STARLINK-3953 & STARLINK-4470 Collision Probability (Pc) Trend

    STARLINK-3953 & STARLINK-4470 Collision Probability (Pc) TrendNot Available

    STARLINK-3953 & STARLINK-4470 Miss Distance (Miss Distance) Trend

    STARLINK-3953 & STARLINK-4470 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3953Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4470Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3953Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4470Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3953

    No nearby objects data