Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.704611E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:18:35+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 64364
    NORAD ID 64364
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-34476
    Time of Closest Approach 2026-10-21T12:12:32+0000
    Collision Probability (Pc) 3.704611E-6
    Conjunction Distance (km) 1.819 km
    Relative Speed (km/s) 14.84 km/s
    Conjunction Risk Parameters R (Radial): -0.891 | I (In-track): 0.382 | C (Cross-track): 1.539
    Collision Risk Index (CRI) 0.46
    X Position (km) 2814.056 2814.042
    Position Y (km) -2189.97 -2191.748
    Position Z (km) 5845.959 5846.344
    Velocity X (km/s) -6.138 6.953
    Velocity Y (km/s) 2.414 0.935
    Velocity Z (km/s) 3.839 -2.991

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-34476
    Semimajor Axis (a) 6858.905 km 6852.684 km
    Eccentricity (e) 0.001475 0.000393
    Inclination (i) 97.3065° 70.0027°
    RAAN 332.3149° 185.0197°
    Perigee Argument 123.1689° 271.0880°
    Mean Anomaly (M) 237.0968° 88.9846°
    Apogee 490.885 km 477.239 km
    Perigee 470.651 km 471.855 km
    Orbit Epoch 2026-10-19T12:48:37+0000 2026-10-19T03:14:24+0000

    KOSEN-1 & STARLINK-34476 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-34476 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-34476 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-34476 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34476Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34476Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data