Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.911627E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T19:45:49+0800
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    1 Object 1

    AOE ID 54858
    NORAD ID 54858
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59942
    NORAD ID 59942
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5407 STARLINK-31900
    Time of Closest Approach 2026-10-27T12:39:11+0000
    Collision Probability (Pc) 3.911627E-6
    Conjunction Distance (km) 1.637 km
    Relative Speed (km/s) 10.03 km/s
    Conjunction Risk Parameters R (Radial): 1.414 | I (In-track): 0.628 | C (Cross-track): -0.536
    Collision Risk Index (CRI) 0.47
    X Position (km) 289.603 290.368
    Position Y (km) 6655.585 6654.177
    Position Z (km) -1648.786 -1648.455
    Velocity X (km/s) -5.789 -5.685
    Velocity Y (km/s) -0.95 1.453
    Velocity Z (km/s) -4.868 4.869

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5407 STARLINK-31900
    Semimajor Axis (a) 6861.487 km 6861.192 km
    Eccentricity (e) 0.000054 0.000370
    Inclination (i) 42.9998° 43.0026°
    RAAN 257.4834° 106.5752°
    Perigee Argument 258.9595° 271.0293°
    Mean Anomaly (M) 101.1196° 89.0134°
    Apogee 483.718 km 485.597 km
    Perigee 482.982 km 480.513 km
    Orbit Epoch 2026-10-26T13:48:28+0000 2026-10-26T21:03:02+0000

    STARLINK-5407 & STARLINK-31900 Collision Probability (Pc) Trend

    STARLINK-5407 & STARLINK-31900 Collision Probability (Pc) TrendNot Available

    STARLINK-5407 & STARLINK-31900 Miss Distance (Miss Distance) Trend

    STARLINK-5407 & STARLINK-31900 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5407Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31900Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5407Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31900Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5407

    No nearby objects data