Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.745472E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:55:14+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 63634
    NORAD ID 63634
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-33879
    Time of Closest Approach 2026-10-20T07:46:01+0000
    Collision Probability (Pc) 2.745472E-6
    Conjunction Distance (km) 2.009 km
    Relative Speed (km/s) 14.111 km/s
    Conjunction Risk Parameters R (Radial): -1.904 | I (In-track): 0.228 | C (Cross-track): -0.595
    Collision Risk Index (CRI) 0.44
    X Position (km) 5472.025 5470.681
    Position Y (km) -3161.293 -3159.872
    Position Z (km) 2668.307 2667.85
    Velocity X (km/s) -3.087 4.595
    Velocity Y (km/s) 0.568 4.338
    Velocity Z (km/s) 6.948 -4.271

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-33879
    Semimajor Axis (a) 6858.923 km 6861.153 km
    Eccentricity (e) 0.001471 0.000114
    Inclination (i) 97.3064° 42.9987°
    RAAN 331.8653° 183.7362°
    Perigee Argument 124.5989° 263.7446°
    Mean Anomaly (M) 235.6641° 96.3276°
    Apogee 490.879 km 483.797 km
    Perigee 470.693 km 482.235 km
    Orbit Epoch 2026-10-19T01:48:39+0000 2026-10-19T02:53:19+0000

    KOSEN-1 & STARLINK-33879 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-33879 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-33879 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-33879 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33879Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33879Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data