Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.155523E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:22:31+0800
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    1 Object 1

    AOE ID 53700
    NORAD ID 53700
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 55366
    NORAD ID 55366
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4725 STARLINK-5654
    Time of Closest Approach 2026-09-13T21:17:19+0000
    Collision Probability (Pc) 1.155523E-6
    Conjunction Distance (km) 2.987 km
    Relative Speed (km/s) 11.319 km/s
    Conjunction Risk Parameters R (Radial): 2.348 | I (In-track): 1.242 | C (Cross-track): -1.367
    Collision Risk Index (CRI) 0.36
    X Position (km) -3451.073 -3453.834
    Position Y (km) 5898.536 5899.613
    Position Z (km) 585.138 585.507
    Velocity X (km/s) -3.693 -5.055
    Velocity Y (km/s) -2.772 -2.441
    Velocity Z (km/s) 6.07 -5.162

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4725 STARLINK-5654
    Semimajor Axis (a) 6859.962 km 6861.191 km
    Eccentricity (e) 0.000065 0.000167
    Inclination (i) 53.1611° 43.0047°
    RAAN 130.0236° 331.6543°
    Perigee Argument 114.9291° 291.9577°
    Mean Anomaly (M) 199.2522° 68.1097°
    Apogee 482.274 km 484.203 km
    Perigee 481.376 km 481.905 km
    Orbit Epoch 2026-09-11T00:00:04+0000 2026-09-09T06:41:14+0000

    STARLINK-4725 & STARLINK-5654 Collision Probability (Pc) Trend

    STARLINK-4725 & STARLINK-5654 Collision Probability (Pc) TrendNot Available

    STARLINK-4725 & STARLINK-5654 Miss Distance (Miss Distance) Trend

    STARLINK-4725 & STARLINK-5654 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4725Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5654Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4725Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5654Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4725

    No nearby objects data