Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.413387E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T07:47:01+0800
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    1 Object 1

    AOE ID 46034
    NORAD ID 46034
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53063
    NORAD ID 53063
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1557 STARLINK-4307
    Time of Closest Approach 2026-09-15T05:23:54+0000
    Collision Probability (Pc) 1.413387E-6
    Conjunction Distance (km) 2.679 km
    Relative Speed (km/s) 12.446 km/s
    Conjunction Risk Parameters R (Radial): -2.527 | I (In-track): 0.523 | C (Cross-track): 0.716
    Collision Risk Index (CRI) 0.38
    X Position (km) 1795.513 1794.08
    Position Y (km) 3724.695 3723.119
    Position Z (km) 5449.836 5448.213
    Velocity X (km/s) -6.5 -1.141
    Velocity Y (km/s) 3.964 -6.058
    Velocity Z (km/s) -0.567 4.504

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1557 STARLINK-4307
    Semimajor Axis (a) 6848.833 km 6843.594 km
    Eccentricity (e) 0.000116 0.000142
    Inclination (i) 53.1601° 97.2852°
    RAAN 333.4074° 72.4450°
    Perigee Argument 85.1237° 103.7570°
    Mean Anomaly (M) 274.9897° 353.3408°
    Apogee 471.488 km 466.432 km
    Perigee 469.904 km 464.482 km
    Orbit Epoch 2026-09-13T12:16:08+0000 2026-09-13T16:00:02+0000

    STARLINK-1557 & STARLINK-4307 Collision Probability (Pc) Trend

    STARLINK-1557 & STARLINK-4307 Collision Probability (Pc) TrendNot Available

    STARLINK-1557 & STARLINK-4307 Miss Distance (Miss Distance) Trend

    STARLINK-1557 & STARLINK-4307 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1557Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4307Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1557Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4307Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1557

    No nearby objects data