Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.647118E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T07:55:21+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 68010
    NORAD ID 68010
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-36953
    Time of Closest Approach 2026-09-12T06:25:43+0000
    Collision Probability (Pc) 2.647118E-6
    Conjunction Distance (km) 2.021 km
    Relative Speed (km/s) 13.656 km/s
    Conjunction Risk Parameters R (Radial): -0.719 | I (In-track): -0.835 | C (Cross-track): 1.694
    Collision Risk Index (CRI) 0.43
    X Position (km) 2914.082 2912.14
    Position Y (km) -4914.13 -4913.886
    Position Z (km) -3803.761 -3804.265
    Velocity X (km/s) 1.129 4.733
    Velocity Y (km/s) -4.186 5.148
    Velocity Z (km/s) 6.265 -3.028

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-36953
    Semimajor Axis (a) 6860.234 km 6861.140 km
    Eccentricity (e) 0.001154 0.000180
    Inclination (i) 97.3113° 43.0037°
    RAAN 295.0636° 83.0386°
    Perigee Argument 259.8478° 254.8854°
    Mean Anomaly (M) 100.1460° 105.1798°
    Apogee 490.014 km 484.241 km
    Perigee 474.180 km 481.765 km
    Orbit Epoch 2026-09-11T13:17:14+0000 2026-09-10T20:27:13+0000

    KOSEN-1 & STARLINK-36953 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-36953 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-36953 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-36953 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36953Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36953Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data