Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.880619E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T14:20:15+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 57923
    NORAD ID 57923
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHIYAN 6 (SY-6) STARLINK-30440
    Time of Closest Approach 2026-10-22T02:59:16+0000
    Collision Probability (Pc) 7.880619E-6
    Conjunction Distance (km) 1.42 km
    Relative Speed (km/s) 14.346 km/s
    Conjunction Risk Parameters R (Radial): -1.232 | I (In-track): 0.244 | C (Cross-track): -0.66
    Collision Risk Index (CRI) 0.53
    X Position (km) -4249.323 -4249.588
    Position Y (km) 5381.991 5383.341
    Position Z (km) 164.878 165.225
    Velocity X (km/s) 0.642 -4.297
    Velocity Y (km/s) 0.762 -3.558
    Velocity Z (km/s) -7.557 5.2

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 6 (SY-6) STARLINK-30440
    Semimajor Axis (a) 6851.986 km 6861.181 km
    Eccentricity (e) 0.001422 0.000133
    Inclination (i) 97.3587° 43.0038°
    RAAN 306.0086° 142.6930°
    Perigee Argument 68.8700° 270.2847°
    Mean Anomaly (M) 291.4059° 89.7852°
    Apogee 483.591 km 483.958 km
    Perigee 464.107 km 482.130 km
    Orbit Epoch 2026-10-20T00:00:19+0000 2026-10-19T07:30:02+0000

    SHIYAN 6 (SY-6) & STARLINK-30440 Collision Probability (Pc) Trend

    SHIYAN 6 (SY-6) & STARLINK-30440 Collision Probability (Pc) TrendNot Available

    SHIYAN 6 (SY-6) & STARLINK-30440 Miss Distance (Miss Distance) Trend

    SHIYAN 6 (SY-6) & STARLINK-30440 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-30440Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIYAN 6 (SY-6)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30440Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIYAN 6 (SY-6)

    No nearby objects data