Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.90755E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T09:45:46+0800
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    1 Object 1

    AOE ID 64241
    NORAD ID 64241
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67481
    NORAD ID 67481
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-11689 SZ-20 MODULE
    Time of Closest Approach 2026-09-06T12:36:45+0000
    Collision Probability (Pc) 9.90755E-7
    Conjunction Distance (km) 1.96 km
    Relative Speed (km/s) 2.281 km/s
    Conjunction Risk Parameters R (Radial): 1.399 | I (In-track): 1.357 | C (Cross-track): -0.211
    Collision Risk Index (CRI) 0.35
    X Position (km) -35.154 -33.792
    Position Y (km) -5054.188 -5055.18
    Position Z (km) 4440.715 4441.715
    Velocity X (km/s) 7.505 7.674
    Velocity Y (km/s) 1.105 -0.393
    Velocity Z (km/s) 1.314 -0.397

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-11689 SZ-20 MODULE
    Semimajor Axis (a) 6734.569 km 6728.420 km
    Eccentricity (e) 0.000177 0.001476
    Inclination (i) 43.0008° 41.4750°
    RAAN 212.1866° 187.9911°
    Perigee Argument 260.6669° 221.5753°
    Mean Anomaly (M) 99.3998° 138.3968°
    Apogee 357.627 km 360.218 km
    Perigee 355.237 km 340.348 km
    Orbit Epoch 2026-09-04T08:24:58+0000 2026-09-04T05:21:37+0000

    STARLINK-11689 & SZ-20 MODULE Collision Probability (Pc) Trend

    STARLINK-11689 & SZ-20 MODULE Collision Probability (Pc) TrendNot Available

    STARLINK-11689 & SZ-20 MODULE Miss Distance (Miss Distance) Trend

    STARLINK-11689 & SZ-20 MODULE Miss Distance (Miss Distance) TrendNot Available

    STARLINK-11689Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SZ-20 MODULEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-11689Collision Probability Trend

    Object 1 Probability TrendNot Available

    SZ-20 MODULECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-11689

    No nearby objects data