Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.972485E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:58:31+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 67856
    NORAD ID 67856
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHIYAN 6 (SY-6) STARLINK-36843
    Time of Closest Approach 2026-09-04T08:01:45+0000
    Collision Probability (Pc) 3.972485E-6
    Conjunction Distance (km) 1.771 km
    Relative Speed (km/s) 14.682 km/s
    Conjunction Risk Parameters R (Radial): 1.153 | I (In-track): 0.37 | C (Cross-track): 1.293
    Collision Risk Index (CRI) 0.47
    X Position (km) 1327.717 1326.7
    Position Y (km) 6330.835 6331.979
    Position Z (km) -2257.424 -2258.315
    Velocity X (km/s) 0.502 -4.343
    Velocity Y (km/s) -2.648 2.889
    Velocity Z (km/s) -7.139 5.565

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 6 (SY-6) STARLINK-36843
    Semimajor Axis (a) 6853.064 km 6848.852 km
    Eccentricity (e) 0.001124 0.000132
    Inclination (i) 97.3605° 53.1573°
    RAAN 259.7331° 96.6613°
    Perigee Argument 225.3773° 93.4012°
    Mean Anomaly (M) 134.6552° 266.7140°
    Apogee 482.628 km 471.617 km
    Perigee 467.226 km 469.813 km
    Orbit Epoch 2026-09-03T07:37:13+0000 2026-09-03T14:54:33+0000

    SHIYAN 6 (SY-6) & STARLINK-36843 Collision Probability (Pc) Trend

    SHIYAN 6 (SY-6) & STARLINK-36843 Collision Probability (Pc) TrendNot Available

    SHIYAN 6 (SY-6) & STARLINK-36843 Miss Distance (Miss Distance) Trend

    SHIYAN 6 (SY-6) & STARLINK-36843 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-36843Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIYAN 6 (SY-6)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36843Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIYAN 6 (SY-6)

    No nearby objects data