Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.289694E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:48:15+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 56477
    NORAD ID 56477
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-5534
    Time of Closest Approach 2026-10-22T13:22:37+0000
    Collision Probability (Pc) 1.289694E-6
    Conjunction Distance (km) 2.501 km
    Relative Speed (km/s) 8.773 km/s
    Conjunction Risk Parameters R (Radial): 2.266 | I (In-track): -0.859 | C (Cross-track): 0.617
    Collision Risk Index (CRI) 0.37
    X Position (km) 2235.69 2236.904
    Position Y (km) -1902.716 -1904.187
    Position Z (km) 6184.105 6185.721
    Velocity X (km/s) -6.487 0.78
    Velocity Y (km/s) 2.547 7.327
    Velocity Z (km/s) 3.113 1.97

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-5534
    Semimajor Axis (a) 6858.905 km 6852.715 km
    Eccentricity (e) 0.001475 0.000304
    Inclination (i) 97.3065° 69.9977°
    RAAN 332.3149° 277.1558°
    Perigee Argument 123.1689° 268.5530°
    Mean Anomaly (M) 237.0968° 91.5297°
    Apogee 490.885 km 476.662 km
    Perigee 470.651 km 472.494 km
    Orbit Epoch 2026-10-19T12:48:37+0000 2026-10-19T16:02:01+0000

    KOSEN-1 & STARLINK-5534 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-5534 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-5534 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-5534 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5534Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5534Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data