Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.911113E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T23:01:04+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 59622
    NORAD ID 59622
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHIYAN 6 (SY-6) STARLINK-31774
    Time of Closest Approach 2026-09-04T16:40:21+0000
    Collision Probability (Pc) 1.911113E-6
    Conjunction Distance (km) 2.357 km
    Relative Speed (km/s) 14.135 km/s
    Conjunction Risk Parameters R (Radial): 2.343 | I (In-track): 0.081 | C (Cross-track): 0.236
    Collision Risk Index (CRI) 0.41
    X Position (km) -1310.248 -1310.014
    Position Y (km) -6230.015 -6227.894
    Position Z (km) 2556.151 2555.152
    Velocity X (km/s) -0.449 5.52
    Velocity Y (km/s) 2.975 -2.954
    Velocity Z (km/s) 7.001 -4.356

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 6 (SY-6) STARLINK-31774
    Semimajor Axis (a) 6853.048 km 6861.196 km
    Eccentricity (e) 0.001132 0.000130
    Inclination (i) 97.3605° 43.0026°
    RAAN 260.7054° 107.4848°
    Perigee Argument 221.3867° 246.6219°
    Mean Anomaly (M) 138.6517° 113.4497°
    Apogee 482.671 km 483.949 km
    Perigee 467.151 km 482.169 km
    Orbit Epoch 2026-09-04T07:09:37+0000 2026-09-04T00:20:25+0000

    SHIYAN 6 (SY-6) & STARLINK-31774 Collision Probability (Pc) Trend

    SHIYAN 6 (SY-6) & STARLINK-31774 Collision Probability (Pc) TrendNot Available

    SHIYAN 6 (SY-6) & STARLINK-31774 Miss Distance (Miss Distance) Trend

    SHIYAN 6 (SY-6) & STARLINK-31774 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-31774Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIYAN 6 (SY-6)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31774Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIYAN 6 (SY-6)

    No nearby objects data