Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.802109E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T00:59:45+0800
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    1 Object 1

    AOE ID 54771
    NORAD ID 54771
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 56553
    NORAD ID 56553
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5451 STARLINK-6074
    Time of Closest Approach 2026-09-16T15:03:12+0000
    Collision Probability (Pc) 5.802109E-7
    Conjunction Distance (km) 2.909 km
    Relative Speed (km/s) 2.967 km/s
    Conjunction Risk Parameters R (Radial): 2.909 | I (In-track): 0.024 | C (Cross-track): 0.007
    Collision Risk Index (CRI) 0.3
    X Position (km) 1971.947 1971.094
    Position Y (km) -4813.781 -4811.755
    Position Z (km) 4469.107 4467.202
    Velocity X (km/s) 4.424 6.308
    Velocity Y (km/s) 5.106 4.006
    Velocity Z (km/s) 3.538 1.528

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5451 STARLINK-6074
    Semimajor Axis (a) 6864.379 km 6861.211 km
    Eccentricity (e) 0.000154 0.000085
    Inclination (i) 53.1592° 43.0025°
    RAAN 267.6512° 238.8220°
    Perigee Argument 74.2198° 272.9883°
    Mean Anomaly (M) 285.8971° 87.0871°
    Apogee 487.302 km 483.658 km
    Perigee 485.182 km 482.490 km
    Orbit Epoch 2026-09-13T06:40:39+0000 2026-09-14T04:40:21+0000

    STARLINK-5451 & STARLINK-6074 Collision Probability (Pc) Trend

    STARLINK-5451 & STARLINK-6074 Collision Probability (Pc) TrendNot Available

    STARLINK-5451 & STARLINK-6074 Miss Distance (Miss Distance) Trend

    STARLINK-5451 & STARLINK-6074 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5451Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-6074Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5451Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-6074Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5451

    No nearby objects data