Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.315678E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T22:42:16+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 57609
    NORAD ID 57609
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHIYAN 6 (SY-6) STARLINK-30174
    Time of Closest Approach 2026-09-06T23:40:27+0000
    Collision Probability (Pc) 5.315678E-6
    Conjunction Distance (km) 1.573 km
    Relative Speed (km/s) 13.165 km/s
    Conjunction Risk Parameters R (Radial): 1.487 | I (In-track): 0.268 | C (Cross-track): 0.436
    Collision Risk Index (CRI) 0.5
    X Position (km) -1165.901 -1166.082
    Position Y (km) -5206.706 -5205.685
    Position Z (km) 4308.228 4307.046
    Velocity X (km/s) -0.191 6.639
    Velocity Y (km/s) 4.89 -3.163
    Velocity Z (km/s) 5.841 -2.02

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 6 (SY-6) STARLINK-30174
    Semimajor Axis (a) 6853.048 km 6861.190 km
    Eccentricity (e) 0.001132 0.000197
    Inclination (i) 97.3605° 43.0024°
    RAAN 260.7054° 153.7790°
    Perigee Argument 221.3867° 274.7527°
    Mean Anomaly (M) 138.6517° 85.3099°
    Apogee 482.671 km 484.406 km
    Perigee 467.151 km 481.700 km
    Orbit Epoch 2026-09-04T07:09:37+0000 2026-09-04T02:08:05+0000

    SHIYAN 6 (SY-6) & STARLINK-30174 Collision Probability (Pc) Trend

    SHIYAN 6 (SY-6) & STARLINK-30174 Collision Probability (Pc) TrendNot Available

    SHIYAN 6 (SY-6) & STARLINK-30174 Miss Distance (Miss Distance) Trend

    SHIYAN 6 (SY-6) & STARLINK-30174 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-30174Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIYAN 6 (SY-6)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30174Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIYAN 6 (SY-6)

    No nearby objects data