Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    4.609583E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-27T07:50:51+0800
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    1 Object 1

    AOE ID 40143
    NORAD ID 40143
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 57052
    NORAD ID 57052
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-5860
    Time of Closest Approach 2026-08-27T23:10:12+0000
    Collision Probability (Pc) 4.609583E-4
    Conjunction Distance (km) 0.276 km
    Relative Speed (km/s) 8.973 km/s
    Conjunction Risk Parameters R (Radial): -0.272 | I (In-track): -0.036 | C (Cross-track): -0.019
    Collision Risk Index (CRI) 0.88
    X Position (km) -204.115 -204.093
    Position Y (km) 5611.388 5611.187
    Position Z (km) -3948.336 -3948.147
    Velocity X (km/s) 1.314 -6.737
    Velocity Y (km/s) -4.281 -2.208
    Velocity Z (km/s) -6.164 -2.791

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-5860
    Semimajor Axis (a) 6862.341 km 6861.193 km
    Eccentricity (e) 0.000742 0.000058
    Inclination (i) 97.1434° 43.0009°
    RAAN 275.8503° 234.4237°
    Perigee Argument 188.3304° 289.1256°
    Mean Anomaly (M) 171.7814° 70.9532°
    Apogee 489.295 km 483.457 km
    Perigee 479.113 km 482.655 km
    Orbit Epoch 2026-08-26T14:46:48+0000 2026-08-25T23:03:26+0000

    YAOGAN 21 & STARLINK-5860 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-5860 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-5860 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-5860 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5860Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5860Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data