Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.061075E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:33:07+0800
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    1 Object 1

    AOE ID 51102
    NORAD ID 51102
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 57233
    NORAD ID 57233
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHIYAN 13 (SY-13) STARLINK-5866
    Time of Closest Approach 2026-10-21T09:05:10+0000
    Collision Probability (Pc) 2.061075E-6
    Conjunction Distance (km) 2.208 km
    Relative Speed (km/s) 12.78 km/s
    Conjunction Risk Parameters R (Radial): -0.145 | I (In-track): -1.238 | C (Cross-track): 1.822
    Collision Risk Index (CRI) 0.41
    X Position (km) -2695.966 -2696.793
    Position Y (km) 4340.654 4339.04
    Position Z (km) -4582.064 -4583.324
    Velocity X (km/s) 3.883 -6.855
    Velocity Y (km/s) -3.336 -3.155
    Velocity Z (km/s) -5.88 1.047

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 13 (SY-13) STARLINK-5866
    Semimajor Axis (a) 7200.249 km 6861.202 km
    Eccentricity (e) 0.060185 0.000160
    Inclination (i) 98.4538° 43.0017°
    RAAN 307.7025° 208.6398°
    Perigee Argument 188.1048° 270.4444°
    Mean Anomaly (M) 171.0059° 89.6224°
    Apogee 1255.462 km 484.167 km
    Perigee 388.762 km 481.963 km
    Orbit Epoch 2026-10-19T12:07:10+0000 2026-10-19T04:04:23+0000

    SHIYAN 13 (SY-13) & STARLINK-5866 Collision Probability (Pc) Trend

    SHIYAN 13 (SY-13) & STARLINK-5866 Collision Probability (Pc) TrendNot Available

    SHIYAN 13 (SY-13) & STARLINK-5866 Miss Distance (Miss Distance) Trend

    SHIYAN 13 (SY-13) & STARLINK-5866 Miss Distance (Miss Distance) TrendNot Available

    SHIYAN 13 (SY-13)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5866Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIYAN 13 (SY-13)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5866Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIYAN 13 (SY-13)

    No nearby objects data