Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.115833E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:37:42+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 57139
    NORAD ID 57139
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 28 STARLINK-5355
    Time of Closest Approach 2026-09-05T01:34:58+0000
    Collision Probability (Pc) 1.115833E-6
    Conjunction Distance (km) 2.776 km
    Relative Speed (km/s) 9.035 km/s
    Conjunction Risk Parameters R (Radial): -1.805 | I (In-track): 1.703 | C (Cross-track): -1.245
    Collision Risk Index (CRI) 0.36
    X Position (km) -5272.435 -5275.168
    Position Y (km) -1874.477 -1874.414
    Position Z (km) -3971.109 -3970.629
    Velocity X (km/s) 3.707 4.126
    Velocity Y (km/s) 2.581 -5.785
    Velocity Z (km/s) -6.137 -2.752

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 28 STARLINK-5355
    Semimajor Axis (a) 6858.990 km 6861.234 km
    Eccentricity (e) 0.000885 0.000191
    Inclination (i) 97.3180° 43.0056°
    RAAN 23.9295° 337.6438°
    Perigee Argument 271.2909° 280.3031°
    Mean Anomaly (M) 88.7317° 79.7605°
    Apogee 486.924 km 484.406 km
    Perigee 474.782 km 481.788 km
    Orbit Epoch 2026-09-04T04:12:50+0000 2026-09-03T17:09:36+0000

    YAOGAN 28 & STARLINK-5355 Collision Probability (Pc) Trend

    YAOGAN 28 & STARLINK-5355 Collision Probability (Pc) TrendNot Available

    YAOGAN 28 & STARLINK-5355 Miss Distance (Miss Distance) Trend

    YAOGAN 28 & STARLINK-5355 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 28Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5355Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 28Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5355Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 28

    No nearby objects data