Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.503921E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T05:48:07+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 62117
    NORAD ID 62117
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-32521
    Time of Closest Approach 2026-10-20T06:58:33+0000
    Collision Probability (Pc) 3.503921E-6
    Conjunction Distance (km) 1.6 km
    Relative Speed (km/s) 7.627 km/s
    Conjunction Risk Parameters R (Radial): -0.469 | I (In-track): -1.325 | C (Cross-track): 0.763
    Collision Risk Index (CRI) 0.46
    X Position (km) -5507.328 -5507.53
    Position Y (km) 3171.937 3171.385
    Position Z (km) -2589.833 -2591.321
    Velocity X (km/s) 2.978 -1.476
    Velocity Y (km/s) -0.508 -6.096
    Velocity Z (km/s) -6.997 -4.33

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-32521
    Semimajor Axis (a) 6858.905 km 6861.160 km
    Eccentricity (e) 0.001475 0.000059
    Inclination (i) 97.3065° 42.9973°
    RAAN 332.3149° 310.9844°
    Perigee Argument 123.1689° 320.0844°
    Mean Anomaly (M) 237.0968° 39.9964°
    Apogee 490.885 km 483.426 km
    Perigee 470.651 km 482.620 km
    Orbit Epoch 2026-10-19T12:48:37+0000 2026-10-19T01:47:56+0000

    KOSEN-1 & STARLINK-32521 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-32521 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-32521 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-32521 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32521Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32521Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data