Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.858166E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T08:48:36+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 57924
    NORAD ID 57924
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SHIYAN 6 (SY-6) STARLINK-30487
    Time of Closest Approach 2026-09-07T02:27:48+0000
    Collision Probability (Pc) 1.858166E-6
    Conjunction Distance (km) 2.326 km
    Relative Speed (km/s) 12.925 km/s
    Conjunction Risk Parameters R (Radial): -2.11 | I (In-track): 0.507 | C (Cross-track): 0.837
    Collision Risk Index (CRI) 0.4
    X Position (km) -20.303 -21.03
    Position Y (km) -5233.671 -5234.852
    Position Z (km) -4437.93 -4439.798
    Velocity X (km/s) -1.298 7.313
    Velocity Y (km/s) -4.855 1.363
    Velocity Z (km/s) 5.723 -1.642

    Orbital Parameters 国际轨道数据源

    Parameter SHIYAN 6 (SY-6) STARLINK-30487
    Semimajor Axis (a) 6853.048 km 6861.192 km
    Eccentricity (e) 0.001132 0.000076
    Inclination (i) 97.3605° 42.9999°
    RAAN 260.7054° 39.2813°
    Perigee Argument 221.3867° 279.3289°
    Mean Anomaly (M) 138.6517° 80.7477°
    Apogee 482.671 km 483.576 km
    Perigee 467.151 km 482.534 km
    Orbit Epoch 2026-09-04T07:09:37+0000 2026-09-04T10:35:47+0000

    SHIYAN 6 (SY-6) & STARLINK-30487 Collision Probability (Pc) Trend

    SHIYAN 6 (SY-6) & STARLINK-30487 Collision Probability (Pc) TrendNot Available

    SHIYAN 6 (SY-6) & STARLINK-30487 Miss Distance (Miss Distance) Trend

    SHIYAN 6 (SY-6) & STARLINK-30487 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-30487Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SHIYAN 6 (SY-6)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30487Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SHIYAN 6 (SY-6)

    No nearby objects data