Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.442455E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T22:25:09+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 58140
    NORAD ID 58140
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHIYAN 6 (SY-6) STARLINK-30780
    Time of Closest Approach 2026-09-13T17:19:06+0000
    Collision Probability (Pc) 2.442455E-5
    Conjunction Distance (km) 1.003 km
    Relative Speed (km/s) 12.889 km/s
    Conjunction Risk Parameters R (Radial): -0.894 | I (In-track): -0.236 | C (Cross-track): 0.384
    Collision Risk Index (CRI) 0.63
    X Position (km) -572.047 -572.329
    Position Y (km) -5177.847 -5177.327
    Position Z (km) 4458.055 4457.247
    Velocity X (km/s) -0.74 7.152
    Velocity Y (km/s) 5.007 -2.141
    Velocity Z (km/s) 5.698 -1.564

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 6 (SY-6) STARLINK-30780
    Semimajor Axis (a) 6852.909 km 6861.170 km
    Eccentricity (e) 0.001201 0.000135
    Inclination (i) 97.3598° 43.0017°
    RAAN 267.3819° 165.2463°
    Perigee Argument 195.8477° 265.7432°
    Mean Anomaly (M) 164.2390° 94.3265°
    Apogee 483.003 km 483.959 km
    Perigee 466.541 km 482.107 km
    Orbit Epoch 2026-09-11T00:47:57+0000 2026-09-11T02:04:48+0000

    SHIYAN 6 (SY-6) & STARLINK-30780 Collision Probability (Pc) Trend

    SHIYAN 6 (SY-6) & STARLINK-30780 Collision Probability (Pc) TrendNot Available

    SHIYAN 6 (SY-6) & STARLINK-30780 Miss Distance (Miss Distance) Trend

    SHIYAN 6 (SY-6) & STARLINK-30780 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-30780Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIYAN 6 (SY-6)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30780Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIYAN 6 (SY-6)

    No nearby objects data