Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.34021E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:43:00+0800
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    1 Object 1

    AOE ID 51866
    NORAD ID 51866
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53432
    NORAD ID 53432
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3553 STARLINK-4557
    Time of Closest Approach 2026-09-03T15:41:47+0000
    Collision Probability (Pc) 1.34021E-6
    Conjunction Distance (km) 2.433 km
    Relative Speed (km/s) 8.627 km/s
    Conjunction Risk Parameters R (Radial): -2.394 | I (In-track): -0.354 | C (Cross-track): -0.243
    Collision Risk Index (CRI) 0.38
    X Position (km) 2668.291 2667.72
    Position Y (km) 4190.875 4189.177
    Position Z (km) 4696.907 4695.262
    Velocity X (km/s) -3.723 -6.912
    Velocity Y (km/s) 5.888 0.883
    Velocity Z (km/s) -3.13 3.131

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3553 STARLINK-4557
    Semimajor Axis (a) 6843.375 km 6840.899 km
    Eccentricity (e) 0.000114 0.000116
    Inclination (i) 53.1602° 53.1616°
    RAAN 288.8392° 19.7383°
    Perigee Argument 82.5098° 101.3819°
    Mean Anomaly (M) 277.6035° 258.7315°
    Apogee 466.021 km 463.559 km
    Perigee 464.455 km 461.965 km
    Orbit Epoch 2026-09-02T07:53:23+0000 2026-09-02T01:55:17+0000

    STARLINK-3553 & STARLINK-4557 Collision Probability (Pc) Trend

    STARLINK-3553 & STARLINK-4557 Collision Probability (Pc) TrendNot Available

    STARLINK-3553 & STARLINK-4557 Miss Distance (Miss Distance) Trend

    STARLINK-3553 & STARLINK-4557 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3553Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4557Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3553Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4557Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3553

    No nearby objects data