Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.016527E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:03:58+0800
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    1 Object 1

    AOE ID 53661
    NORAD ID 53661
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54842
    NORAD ID 54842
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4472 STARLINK-5387
    Time of Closest Approach 2026-10-21T04:32:36+0000
    Collision Probability (Pc) 1.016527E-5
    Conjunction Distance (km) 1.3 km
    Relative Speed (km/s) 13.414 km/s
    Conjunction Risk Parameters R (Radial): -0.928 | I (In-track): -0.422 | C (Cross-track): -0.804
    Collision Risk Index (CRI) 0.55
    X Position (km) -5453.946 -5455.114
    Position Y (km) 757.434 756.873
    Position Z (km) -4095.937 -4096.042
    Velocity X (km/s) -4.277 0.897
    Velocity Y (km/s) 1.809 -7.136
    Velocity Z (km/s) 6.038 -2.514

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4472 STARLINK-5387
    Semimajor Axis (a) 6856.044 km 6861.204 km
    Eccentricity (e) 0.000154 0.000180
    Inclination (i) 97.2855° 43.0051°
    RAAN 164.7329° 310.8621°
    Perigee Argument 66.7216° 282.4435°
    Mean Anomaly (M) 26.5760° 77.6215°
    Apogee 478.965 km 484.301 km
    Perigee 476.849 km 481.833 km
    Orbit Epoch 2026-10-19T06:00:01+0000 2026-10-19T02:50:44+0000

    STARLINK-4472 & STARLINK-5387 Collision Probability (Pc) Trend

    STARLINK-4472 & STARLINK-5387 Collision Probability (Pc) TrendNot Available

    STARLINK-4472 & STARLINK-5387 Miss Distance (Miss Distance) Trend

    STARLINK-4472 & STARLINK-5387 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4472Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5387Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4472Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5387Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4472

    No nearby objects data