Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.147769E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:51:45+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 57251
    NORAD ID 57251
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-5513
    Time of Closest Approach 2026-10-22T00:37:51+0000
    Collision Probability (Pc) 1.147769E-4
    Conjunction Distance (km) 0.623 km
    Relative Speed (km/s) 14.053 km/s
    Conjunction Risk Parameters R (Radial): -0.139 | I (In-track): 0.244 | C (Cross-track): 0.556
    Collision Risk Index (CRI) 0.76
    X Position (km) 5449.014 5448.986
    Position Y (km) -2981.164 -2981.748
    Position Z (km) 2907.294 2907.077
    Velocity X (km/s) -3.339 4.634
    Velocity Y (km/s) 0.607 4.484
    Velocity Z (km/s) 6.829 -4.074

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-5513
    Semimajor Axis (a) 6858.905 km 6861.200 km
    Eccentricity (e) 0.001475 0.000137
    Inclination (i) 97.3065° 43.0043°
    RAAN 332.3149° 197.8543°
    Perigee Argument 123.1689° 277.9250°
    Mean Anomaly (M) 237.0968° 82.1446°
    Apogee 490.885 km 484.001 km
    Perigee 470.651 km 482.125 km
    Orbit Epoch 2026-10-19T12:48:37+0000 2026-10-19T02:57:59+0000

    KOSEN-1 & STARLINK-5513 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-5513 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-5513 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-5513 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5513Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5513Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data