Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.627439E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:24:07+0800
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    1 Object 1

    AOE ID 52620
    NORAD ID 52620
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64453
    NORAD ID 64453
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3975 STARLINK-34221
    Time of Closest Approach 2026-10-21T05:51:21+0000
    Collision Probability (Pc) 4.627439E-6
    Conjunction Distance (km) 1.6 km
    Relative Speed (km/s) 11.608 km/s
    Conjunction Risk Parameters R (Radial): 1.537 | I (In-track): 0.296 | C (Cross-track): -0.332
    Collision Risk Index (CRI) 0.48
    X Position (km) 4378.096 4379.402
    Position Y (km) -4550.798 -4551.514
    Position Z (km) -2632.571 -2633.154
    Velocity X (km/s) 5.118 2.026
    Velocity Y (km/s) 1.83 5.043
    Velocity Z (km/s) 5.359 -5.358

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3975 STARLINK-34221
    Semimajor Axis (a) 6837.895 km 6840.685 km
    Eccentricity (e) 0.000118 0.000067
    Inclination (i) 53.1605° 53.1591°
    RAAN 341.8347° 126.2165°
    Perigee Argument 87.4514° 144.0509°
    Mean Anomaly (M) 272.6623° 216.0538°
    Apogee 460.563 km 463.005 km
    Perigee 458.953 km 462.091 km
    Orbit Epoch 2026-10-19T03:59:21+0000 2026-10-18T23:48:19+0000

    STARLINK-3975 & STARLINK-34221 Collision Probability (Pc) Trend

    STARLINK-3975 & STARLINK-34221 Collision Probability (Pc) TrendNot Available

    STARLINK-3975 & STARLINK-34221 Miss Distance (Miss Distance) Trend

    STARLINK-3975 & STARLINK-34221 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3975Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34221Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3975Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34221Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3975

    No nearby objects data