Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.230142E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T00:38:15+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 59887
    NORAD ID 59887
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-31976
    Time of Closest Approach 2026-09-04T10:55:52+0000
    Collision Probability (Pc) 1.230142E-6
    Conjunction Distance (km) 2.824 km
    Relative Speed (km/s) 11.162 km/s
    Conjunction Risk Parameters R (Radial): -0.257 | I (In-track): -1.918 | C (Cross-track): -2.056
    Collision Risk Index (CRI) 0.37
    X Position (km) -988.452 -987.053
    Position Y (km) 4947.754 4949.392
    Position Z (km) -4653.818 -4651.993
    Velocity X (km/s) 2.291 -7.331
    Velocity Y (km/s) -4.733 -1.992
    Velocity Z (km/s) -5.511 -0.563

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-31976
    Semimajor Axis (a) 6860.528 km 6861.208 km
    Eccentricity (e) 0.001161 0.000128
    Inclination (i) 97.3122° 43.0022°
    RAAN 285.7472° 219.2322°
    Perigee Argument 298.6724° 270.5879°
    Mean Anomaly (M) 61.3347° 89.4826°
    Apogee 490.359 km 483.950 km
    Perigee 474.423 km 482.192 km
    Orbit Epoch 2026-09-02T01:22:08+0000 2026-09-01T00:10:46+0000

    KOSEN-1 & STARLINK-31976 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-31976 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-31976 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-31976 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31976Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31976Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data