Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.010481E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:13:07+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 67831
    NORAD ID 67831
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-36661
    Time of Closest Approach 2026-09-05T10:58:24+0000
    Collision Probability (Pc) 1.010481E-6
    Conjunction Distance (km) 2.895 km
    Relative Speed (km/s) 8.345 km/s
    Conjunction Risk Parameters R (Radial): -2.542 | I (In-track): 1.157 | C (Cross-track): 0.757
    Collision Risk Index (CRI) 0.35
    X Position (km) 2351.1 2351.189
    Position Y (km) -5436.54 -5438.203
    Position Z (km) -3461.93 -3464.297
    Velocity X (km/s) 0.48 6.736
    Velocity Y (km/s) -3.94 0.688
    Velocity Z (km/s) 6.508 3.496

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-36661
    Semimajor Axis (a) 6860.528 km 6861.167 km
    Eccentricity (e) 0.001161 0.000071
    Inclination (i) 97.3122° 43.0020°
    RAAN 285.7472° 348.4482°
    Perigee Argument 298.6724° 271.2350°
    Mean Anomaly (M) 61.3347° 88.8421°
    Apogee 490.359 km 483.516 km
    Perigee 474.423 km 482.544 km
    Orbit Epoch 2026-09-02T01:22:08+0000 2026-09-02T14:08:10+0000

    KOSEN-1 & STARLINK-36661 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-36661 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-36661 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-36661 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36661Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36661Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data