Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.068417E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:14:02+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) 5.068417E-6
    Conjunction Distance (km) 1.62 km
    Relative Speed (km/s) 14.09 km/s
    Conjunction Risk Parameters R (Radial): 1.043 | I (In-track): 0.471 | C (Cross-track): 1.147
    Collision Risk Index (CRI) 0.49
    X Position (km) 5473.908 5472.777
    Position Y (km) -3073.432 -3074.019
    Position Z (km) 2763.29 2762.291
    Velocity X (km/s) -3.188 4.6
    Velocity Y (km/s) 0.576 4.406
    Velocity Z (km/s) 6.903 -4.196

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-32947
    Semimajor Axis (a) 6858.905 km 6861.162 km
    Eccentricity (e) 0.001475 0.000130
    Inclination (i) 97.3065° 43.0015°
    RAAN 332.3149° 190.8252°
    Perigee Argument 123.1689° 274.8281°
    Mean Anomaly (M) 237.0968° 85.2421°
    Apogee 490.885 km 483.920 km
    Perigee 470.651 km 482.130 km
    Orbit Epoch 2026-10-19T12:48:37+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