Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.591881E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T00:38:17+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 57748
    NORAD ID 57748
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-30356
    Time of Closest Approach 2026-09-04T23:27:48+0000
    Collision Probability (Pc) 7.591881E-6
    Conjunction Distance (km) 1.296 km
    Relative Speed (km/s) 8.682 km/s
    Conjunction Risk Parameters R (Radial): -0.918 | I (In-track): 0.751 | C (Cross-track): 0.521
    Collision Risk Index (CRI) 0.53
    X Position (km) -1375.381 -1375.48
    Position Y (km) 5589.085 5587.807
    Position Z (km) -3740.777 -3740.965
    Velocity X (km/s) 2.104 -5.969
    Velocity Y (km/s) -3.712 -3.559
    Velocity Z (km/s) -6.311 -3.123

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-30356
    Semimajor Axis (a) 6860.528 km 6861.211 km
    Eccentricity (e) 0.001161 0.000123
    Inclination (i) 97.3122° 43.0004°
    RAAN 285.7472° 256.8264°
    Perigee Argument 298.6724° 275.8286°
    Mean Anomaly (M) 61.3347° 84.2426°
    Apogee 490.359 km 483.919 km
    Perigee 474.423 km 482.229 km
    Orbit Epoch 2026-09-02T01:22:08+0000 2026-09-01T22:15:41+0000

    KOSEN-1 & STARLINK-30356 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-30356 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-30356 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-30356 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30356Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30356Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data