Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.220728E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T20:08:20+0800
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    1 Object 1

    AOE ID 66959
    NORAD ID 66959
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68405
    NORAD ID 68405
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-35887 SHIYAN-33
    Time of Closest Approach 2026-09-06T10:20:22+0000
    Collision Probability (Pc) 4.220728E-5
    Conjunction Distance (km) 0.851 km
    Relative Speed (km/s) 12.806 km/s
    Conjunction Risk Parameters R (Radial): 0.851 | I (In-track): 0.004 | C (Cross-track): 0.001
    Collision Risk Index (CRI) 0.68
    X Position (km) 4540.951 4540.387
    Position Y (km) -2502.807 -2502.495
    Position Z (km) -4496.753 -4496.197
    Velocity X (km/s) 2.469 3.665
    Velocity Y (km/s) 7.062 -3.514
    Velocity Z (km/s) -1.438 5.682

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-35887 SHIYAN-33
    Semimajor Axis (a) 6861.151 km 6861.709 km
    Eccentricity (e) 0.000155 0.002026
    Inclination (i) 43.0034° 97.4551°
    RAAN 96.5442° 322.1368°
    Perigee Argument 261.8971° 32.8544°
    Mean Anomaly (M) 98.1705° 327.3949°
    Apogee 484.079 km 497.474 km
    Perigee 481.949 km 469.670 km
    Orbit Epoch 2026-09-03T23:10:17+0000 2026-09-03T22:46:22+0000

    STARLINK-35887 & SHIYAN-33 Collision Probability (Pc) Trend

    STARLINK-35887 & SHIYAN-33 Collision Probability (Pc) TrendNot Available

    STARLINK-35887 & SHIYAN-33 Miss Distance (Miss Distance) Trend

    STARLINK-35887 & SHIYAN-33 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-35887Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN-33Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-35887Collision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN-33Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-35887

    No nearby objects data