Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.021603E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:55:14+0800
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    1 Object 1

    Name KOSEN-1
    AOE ID 49402
    NORAD ID 49402
    Object Type PAYLOAD
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 63121
    NORAD ID 63121
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-32947
    Time of Closest Approach 2026-10-21T04:11:53+0000
    Collision Probability (Pc) 3.021603E-6
    Conjunction Distance (km) 1.935 km
    Relative Speed (km/s) 14.09 km/s
    Conjunction Risk Parameters R (Radial): -1.002 | I (In-track): -0.642 | C (Cross-track): 1.526
    Collision Risk Index (CRI) 0.45
    X Position (km) 5473.648 5472.45
    Position Y (km) -3073.375 -3074.332
    Position Z (km) 2763.769 2762.589
    Velocity X (km/s) -3.189 4.6
    Velocity Y (km/s) 0.576 4.405
    Velocity Z (km/s) 6.902 -4.196

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-32947
    Semimajor Axis (a) 6858.923 km 6861.162 km
    Eccentricity (e) 0.001471 0.000130
    Inclination (i) 97.3064° 43.0015°
    RAAN 331.8653° 190.8252°
    Perigee Argument 124.5989° 274.8281°
    Mean Anomaly (M) 235.6641° 85.2421°
    Apogee 490.879 km 483.920 km
    Perigee 470.693 km 482.130 km
    Orbit Epoch 2026-10-19T01:48:39+0000 2026-10-19T01:21:24+0000

    KOSEN-1 & STARLINK-32947 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-32947 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-32947 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-32947 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32947Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32947Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data