Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.450194E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T16:05:36+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 58758
    NORAD ID 58758
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SHIYAN 6 (SY-6) YUNYAO-1 18
    Time of Closest Approach 2026-09-15T08:14:55+0000
    Collision Probability (Pc) 1.450194E-6
    Conjunction Distance (km) 2.788 km
    Relative Speed (km/s) 14.392 km/s
    Conjunction Risk Parameters R (Radial): -2.724 | I (In-track): -0.189 | C (Cross-track): -0.554
    Collision Risk Index (CRI) 0.38
    X Position (km) 587.893 588.655
    Position Y (km) -6048.83 -6051.306
    Position Z (km) -3195.407 -3196.434
    Velocity X (km/s) -0.757 5.269
    Velocity Y (km/s) -3.596 2.962
    Velocity Z (km/s) 6.667 -4.638

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 6 (SY-6) YUNYAO-1 18
    Semimajor Axis (a) 6852.835 km 6868.172 km
    Eccentricity (e) 0.001238 0.000541
    Inclination (i) 97.3598° 50.0125°
    RAAN 270.6225° 71.5105°
    Perigee Argument 183.8539° 261.8773°
    Mean Anomaly (M) 176.2608° 98.1569°
    Apogee 483.184 km 493.750 km
    Perigee 466.212 km 486.320 km
    Orbit Epoch 2026-09-14T07:15:47+0000 2026-09-14T21:51:56+0000

    SHIYAN 6 (SY-6) & YUNYAO-1 18 Collision Probability (Pc) Trend

    SHIYAN 6 (SY-6) & YUNYAO-1 18 Collision Probability (Pc) TrendNot Available

    SHIYAN 6 (SY-6) & YUNYAO-1 18 Miss Distance (Miss Distance) Trend

    SHIYAN 6 (SY-6) & YUNYAO-1 18 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    YUNYAO-1 18Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIYAN 6 (SY-6)Collision Probability Trend

    Object 1 Probability TrendNot Available

    YUNYAO-1 18Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIYAN 6 (SY-6)

    No nearby objects data