Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.451356E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:20:07+0800
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    1 Object 1

    AOE ID 51117
    NORAD ID 51117
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53655
    NORAD ID 53655
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3391 STARLINK-4470
    Time of Closest Approach 2026-10-22T11:44:37+0000
    Collision Probability (Pc) 1.451356E-6
    Conjunction Distance (km) 2.786 km
    Relative Speed (km/s) 14.393 km/s
    Conjunction Risk Parameters R (Radial): 2.487 | I (In-track): -0.413 | C (Cross-track): 1.186
    Collision Risk Index (CRI) 0.38
    X Position (km) -5438.75 -5436.933
    Position Y (km) -945.15 -945.955
    Position Z (km) -4043.43 -4041.478
    Velocity X (km/s) 3.941 -4.59
    Velocity Y (km/s) -5.071 0.442
    Velocity Z (km/s) -4.119 6.079

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3391 STARLINK-4470
    Semimajor Axis (a) 6837.865 km 6833.221 km
    Eccentricity (e) 0.000100 0.000192
    Inclination (i) 53.1607° 97.4281°
    RAAN 345.8889° 182.0258°
    Perigee Argument 57.7875° 88.9501°
    Mean Anomaly (M) 302.3225° 271.1963°
    Apogee 460.414 km 456.394 km
    Perigee 459.042 km 453.774 km
    Orbit Epoch 2026-10-20T11:53:24+0000 2026-10-20T03:39:05+0000

    STARLINK-3391 & STARLINK-4470 Collision Probability (Pc) Trend

    STARLINK-3391 & STARLINK-4470 Collision Probability (Pc) TrendNot Available

    STARLINK-3391 & STARLINK-4470 Miss Distance (Miss Distance) Trend

    STARLINK-3391 & STARLINK-4470 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3391Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4470Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3391Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4470Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3391

    No nearby objects data