Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.777009E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:35:13+0800
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    1 Object 1

    AOE ID 47817
    NORAD ID 47817
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 51986
    NORAD ID 51986
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2400 STARLINK-3645
    Time of Closest Approach 2026-10-20T18:57:38+0000
    Collision Probability (Pc) 3.777009E-6
    Conjunction Distance (km) 1.73 km
    Relative Speed (km/s) 12.225 km/s
    Conjunction Risk Parameters R (Radial): -1.66 | I (In-track): -0.29 | C (Cross-track): 0.387
    Collision Risk Index (CRI) 0.47
    X Position (km) -552.752 -553.369
    Position Y (km) 6816.208 6817.824
    Position Z (km) 133.444 133.477
    Velocity X (km/s) -4.573 -4.552
    Velocity Y (km/s) -0.243 -0.497
    Velocity Z (km/s) -6.111 6.111

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2400 STARLINK-3645
    Semimajor Axis (a) 6839.289 km 6840.834 km
    Eccentricity (e) 0.000182 0.000098
    Inclination (i) 53.1598° 53.1584°
    RAAN 277.6117° 98.6766°
    Perigee Argument 78.4961° 86.2266°
    Mean Anomaly (M) 95.1059° 273.8849°
    Apogee 462.397 km 463.368 km
    Perigee 459.907 km 462.026 km
    Orbit Epoch 2026-10-20T08:00:03+0000 2026-10-19T17:56:33+0000

    STARLINK-2400 & STARLINK-3645 Collision Probability (Pc) Trend

    STARLINK-2400 & STARLINK-3645 Collision Probability (Pc) TrendNot Available

    STARLINK-2400 & STARLINK-3645 Miss Distance (Miss Distance) Trend

    STARLINK-2400 & STARLINK-3645 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2400Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3645Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2400Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3645Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2400

    No nearby objects data