Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.004581E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:33:39+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 58740
    NORAD ID 58740
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-31159
    Time of Closest Approach 2026-10-27T17:58:24+0000
    Collision Probability (Pc) 1.004581E-6
    Conjunction Distance (km) 2.703 km
    Relative Speed (km/s) 7.019 km/s
    Conjunction Risk Parameters R (Radial): 1.931 | I (In-track): 1.679 | C (Cross-track): 0.87
    Collision Risk Index (CRI) 0.35
    X Position (km) -6446.739 -6448.967
    Position Y (km) 2185.448 2185.519
    Position Z (km) 835.551 834.023
    Velocity X (km/s) -0.578 -2.401
    Velocity Y (km/s) 1.227 -5.117
    Velocity Z (km/s) -7.506 -5.12

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-31159
    Semimajor Axis (a) 6858.622 km 6861.187 km
    Eccentricity (e) 0.001495 0.000230
    Inclination (i) 97.3035° 43.0101°
    RAAN 339.6985° 352.3273°
    Perigee Argument 99.6181° 259.8991°
    Mean Anomaly (M) 260.6749° 100.1602°
    Apogee 490.742 km 484.626 km
    Perigee 470.228 km 481.474 km
    Orbit Epoch 2026-10-27T01:30:31+0000 2026-10-27T03:06:38+0000

    KOSEN-1 & STARLINK-31159 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-31159 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-31159 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-31159 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31159Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31159Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data