Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.143608E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-27T13:18:31+0800
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    1 Object 1

    AOE ID 57740
    NORAD ID 57740
    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-30331 SHIYAN-33
    Time of Closest Approach 2026-08-27T22:43:56+0000
    Collision Probability (Pc) 3.143608E-6
    Conjunction Distance (km) 1.838 km
    Relative Speed (km/s) 12.044 km/s
    Conjunction Risk Parameters R (Radial): -0.35 | I (In-track): -1.098 | C (Cross-track): 1.432
    Collision Risk Index (CRI) 0.45
    X Position (km) 3105.182 3105.735
    Position Y (km) -3954.086 -3952.825
    Position Z (km) 4660.26 4661.476
    Velocity X (km/s) 6.209 -4.223
    Velocity Y (km/s) 4.412 3.189
    Velocity Z (km/s) -0.393 5.499

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30331 SHIYAN-33
    Semimajor Axis (a) 6861.193 km 6869.551 km
    Eccentricity (e) 0.000131 0.001581
    Inclination (i) 43.0010° 97.4587°
    RAAN 223.4070° 313.8197°
    Perigee Argument 268.7610° 64.7361°
    Mean Anomaly (M) 91.3091° 295.5512°
    Apogee 483.959 km 502.274 km
    Perigee 482.153 km 480.554 km
    Orbit Epoch 2026-08-25T23:14:36+0000 2026-08-26T15:02:38+0000

    STARLINK-30331 & SHIYAN-33 Collision Probability (Pc) Trend

    STARLINK-30331 & SHIYAN-33 Collision Probability (Pc) TrendNot Available

    STARLINK-30331 & SHIYAN-33 Miss Distance (Miss Distance) Trend

    STARLINK-30331 & SHIYAN-33 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30331Miss 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-30331Collision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN-33Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30331

    No nearby objects data