Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.262307E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:56:44+0800
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    1 Object 1

    AOE ID 52546
    NORAD ID 52546
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52617
    NORAD ID 52617
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3948 STARLINK-3996
    Time of Closest Approach 2026-10-21T01:27:29+0000
    Collision Probability (Pc) 1.262307E-6
    Conjunction Distance (km) 2.858 km
    Relative Speed (km/s) 11.998 km/s
    Conjunction Risk Parameters R (Radial): 2.521 | I (In-track): 0.833 | C (Cross-track): 1.057
    Collision Risk Index (CRI) 0.37
    X Position (km) 6359.784 6362.504
    Position Y (km) -1851.54 -1850.931
    Position Z (km) 1703.547 1704.175
    Velocity X (km/s) 2.764 -0.123
    Velocity Y (km/s) 4.119 4.957
    Velocity Z (km/s) -5.808 5.807

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3948 STARLINK-3996
    Semimajor Axis (a) 6840.816 km 6843.341 km
    Eccentricity (e) 0.000136 0.000138
    Inclination (i) 53.1573° 53.1608°
    RAAN 179.5920° 336.9391°
    Perigee Argument 84.9592° 88.8019°
    Mean Anomaly (M) 275.1566° 271.3142°
    Apogee 463.609 km 466.149 km
    Perigee 461.749 km 464.259 km
    Orbit Epoch 2026-10-20T01:18:28+0000 2026-10-20T03:28:55+0000

    STARLINK-3948 & STARLINK-3996 Collision Probability (Pc) Trend

    STARLINK-3948 & STARLINK-3996 Collision Probability (Pc) TrendNot Available

    STARLINK-3948 & STARLINK-3996 Miss Distance (Miss Distance) Trend

    STARLINK-3948 & STARLINK-3996 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3948Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3996Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3948Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3996Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3948

    No nearby objects data