Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.196428E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T07:56:13+0800
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    1 Object 1

    AOE ID 52535
    NORAD ID 52535
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53654
    NORAD ID 53654
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3958 STARLINK-4420
    Time of Closest Approach 2026-10-13T02:00:37+0000
    Collision Probability (Pc) 1.196428E-6
    Conjunction Distance (km) 2.58 km
    Relative Speed (km/s) 8.428 km/s
    Conjunction Risk Parameters R (Radial): 2.456 | I (In-track): -0.659 | C (Cross-track): 0.435
    Collision Risk Index (CRI) 0.37
    X Position (km) 4820.852 4822.03
    Position Y (km) -880.815 -881.349
    Position Z (km) 4766.847 4769.079
    Velocity X (km/s) 4.023 4.92
    Velocity Y (km/s) 5.761 -2.272
    Velocity Z (km/s) -2.994 -5.379

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3958 STARLINK-4420
    Semimajor Axis (a) 6843.373 km 6843.722 km
    Eccentricity (e) 0.000198 0.000230
    Inclination (i) 53.1597° 97.2839°
    RAAN 220.8311° 161.6334°
    Perigee Argument 67.0991° 87.2345°
    Mean Anomaly (M) 293.0220° 272.9161°
    Apogee 466.594 km 467.159 km
    Perigee 463.878 km 464.011 km
    Orbit Epoch 2026-10-12T03:35:42+0000 2026-10-12T05:03:47+0000

    STARLINK-3958 & STARLINK-4420 Collision Probability (Pc) Trend

    STARLINK-3958 & STARLINK-4420 Collision Probability (Pc) TrendNot Available

    STARLINK-3958 & STARLINK-4420 Miss Distance (Miss Distance) Trend

    STARLINK-3958 & STARLINK-4420 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3958Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4420Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3958Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4420Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3958

    No nearby objects data