Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.320855E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:44:48+0800
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    1 Object 1

    AOE ID 52540
    NORAD ID 52540
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52618
    NORAD ID 52618
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3940 STARLINK-3983
    Time of Closest Approach 2026-10-22T04:26:44+0000
    Collision Probability (Pc) 1.320855E-6
    Conjunction Distance (km) 2.718 km
    Relative Speed (km/s) 11.503 km/s
    Conjunction Risk Parameters R (Radial): 2.694 | I (In-track): 0.249 | C (Cross-track): -0.267
    Collision Risk Index (CRI) 0.37
    X Position (km) 5599.968 5597.607
    Position Y (km) -2723.933 -2723.19
    Position Z (km) 2823.353 2822.232
    Velocity X (km/s) 4.342 0.057
    Velocity Y (km/s) 3.479 5.565
    Velocity Z (km/s) -5.234 5.235

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3940 STARLINK-3983
    Semimajor Axis (a) 6840.881 km 6837.888 km
    Eccentricity (e) 0.000129 0.000141
    Inclination (i) 53.1582° 53.1586°
    RAAN 188.3749° 327.0155°
    Perigee Argument 98.8897° 93.5232°
    Mean Anomaly (M) 261.2251° 266.5932°
    Apogee 463.626 km 460.714 km
    Perigee 461.862 km 458.788 km
    Orbit Epoch 2026-10-19T02:19:36+0000 2026-10-19T10:41:51+0000

    STARLINK-3940 & STARLINK-3983 Collision Probability (Pc) Trend

    STARLINK-3940 & STARLINK-3983 Collision Probability (Pc) TrendNot Available

    STARLINK-3940 & STARLINK-3983 Miss Distance (Miss Distance) Trend

    STARLINK-3940 & STARLINK-3983 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3940Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3983Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3940Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3983Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3940

    No nearby objects data