Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.294168E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T02:30:46+0800
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    1 Object 1

    AOE ID 43711
    NORAD ID 43711
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 50203
    NORAD ID 50203
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHIYAN 6 (SY-6) STARLINK-3257
    Time of Closest Approach 2026-10-20T04:46:08+0000
    Collision Probability (Pc) 2.294168E-5
    Conjunction Distance (km) 0.869 km
    Relative Speed (km/s) 5.905 km/s
    Conjunction Risk Parameters R (Radial): -0.153 | I (In-track): -0.788 | C (Cross-track): -0.33
    Collision Risk Index (CRI) 0.62
    X Position (km) 3780.326 3780.491
    Position Y (km) -5499.665 -5499.509
    Position Z (km) 1533.482 1534.32
    Velocity X (km/s) -1.797 3.1
    Velocity Y (km/s) 0.844 3.777
    Velocity Z (km/s) 7.373 5.864

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 6 (SY-6) STARLINK-3257
    Semimajor Axis (a) 6852.028 km 6848.877 km
    Eccentricity (e) 0.001428 0.000101
    Inclination (i) 97.3588° 53.1600°
    RAAN 304.5179° 304.6214°
    Perigee Argument 73.5951° 78.7364°
    Mean Anomaly (M) 286.6858° 281.3751°
    Apogee 483.673 km 471.434 km
    Perigee 464.109 km 470.046 km
    Orbit Epoch 2026-10-18T11:55:08+0000 2026-10-18T01:01:12+0000

    SHIYAN 6 (SY-6) & STARLINK-3257 Collision Probability (Pc) Trend

    SHIYAN 6 (SY-6) & STARLINK-3257 Collision Probability (Pc) TrendNot Available

    SHIYAN 6 (SY-6) & STARLINK-3257 Miss Distance (Miss Distance) Trend

    SHIYAN 6 (SY-6) & STARLINK-3257 Miss Distance (Miss Distance) TrendNot Available

    SHIYAN 6 (SY-6)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3257Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIYAN 6 (SY-6)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3257Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIYAN 6 (SY-6)

    No nearby objects data