Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.665144E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T11:22:01+0800
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    1 Object 1

    AOE ID 41026
    NORAD ID 41026
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59474
    NORAD ID 59474
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 28 STARLINK-31581
    Time of Closest Approach 2026-09-11T07:23:37+0000
    Collision Probability (Pc) 1.665144E-6
    Conjunction Distance (km) 2.108 km
    Relative Speed (km/s) 7.595 km/s
    Conjunction Risk Parameters R (Radial): -1.994 | I (In-track): -0.59 | C (Cross-track): 0.343
    Collision Risk Index (CRI) 0.39
    X Position (km) 5296.708 5295.119
    Position Y (km) 3554.736 3553.358
    Position Z (km) -2536.679 -2536.529
    Velocity X (km/s) 2.899 -1.901
    Velocity Y (km/s) 0.688 5.948
    Velocity Z (km/s) 7.012 4.371

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 28 STARLINK-31581
    Semimajor Axis (a) 6858.773 km 6861.257 km
    Eccentricity (e) 0.000901 0.000127
    Inclination (i) 97.3191° 43.0059°
    RAAN 30.3615° 65.3726°
    Perigee Argument 244.1918° 263.9197°
    Mean Anomaly (M) 115.8393° 96.1509°
    Apogee 486.814 km 483.995 km
    Perigee 474.458 km 482.245 km
    Orbit Epoch 2026-09-10T17:20:52+0000 2026-09-10T04:51:32+0000

    YAOGAN 28 & STARLINK-31581 Collision Probability (Pc) Trend

    YAOGAN 28 & STARLINK-31581 Collision Probability (Pc) TrendNot Available

    YAOGAN 28 & STARLINK-31581 Miss Distance (Miss Distance) Trend

    YAOGAN 28 & STARLINK-31581 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 28Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31581Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 28Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31581Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 28

    No nearby objects data