Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.031124E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-01T08:09:18+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 59239
    NORAD ID 59239
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 28 STARLINK-31303
    Time of Closest Approach 2026-09-01T04:48:16+0000
    Collision Probability (Pc) 3.031124E-4
    Conjunction Distance (km) 0.409 km
    Relative Speed (km/s) 14.164 km/s
    Conjunction Risk Parameters R (Radial): -0.373 | I (In-track): -0.061 | C (Cross-track): -0.152
    Collision Risk Index (CRI) 0.85
    X Position (km) -6117.572 -6117.31
    Position Y (km) -2023.63 -2023.393
    Position Z (km) -2364.469 -2364.264
    Velocity X (km/s) 2.146 0.304
    Velocity Y (km/s) 1.798 -6.153
    Velocity Z (km/s) -7.087 4.488

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 28 STARLINK-31303
    Semimajor Axis (a) 6859.096 km 6861.214 km
    Eccentricity (e) 0.000887 0.000071
    Inclination (i) 97.3182° 42.9963°
    RAAN 20.3920° 227.0053°
    Perigee Argument 286.1941° 215.5292°
    Mean Anomaly (M) 73.8323° 144.5512°
    Apogee 487.042 km 483.563 km
    Perigee 474.876 km 482.591 km
    Orbit Epoch 2026-08-31T13:47:15+0000 2026-08-31T05:23:52+0000

    YAOGAN 28 & STARLINK-31303 Collision Probability (Pc) Trend

    YAOGAN 28 & STARLINK-31303 Collision Probability (Pc) TrendNot Available

    YAOGAN 28 & STARLINK-31303 Miss Distance (Miss Distance) Trend

    YAOGAN 28 & STARLINK-31303 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 28Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31303Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 28Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31303Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 28

    No nearby objects data