Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.545534E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T06:54:24+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 64336
    NORAD ID 64336
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-34223
    Time of Closest Approach 2026-09-17T00:10:52+0000
    Collision Probability (Pc) 2.545534E-5
    Conjunction Distance (km) 1.013 km
    Relative Speed (km/s) 14.338 km/s
    Conjunction Risk Parameters R (Radial): -0.842 | I (In-track): -0.188 | C (Cross-track): -0.527
    Collision Risk Index (CRI) 0.63
    X Position (km) -3026.941 -3026.123
    Position Y (km) 6156.662 6156.131
    Position Z (km) -143.953 -143.682
    Velocity X (km/s) 0.914 -5.05
    Velocity Y (km/s) 0.288 -2.367
    Velocity Z (km/s) -7.565 5.2

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-34223
    Semimajor Axis (a) 6861.809 km 6861.146 km
    Eccentricity (e) 0.000932 0.000107
    Inclination (i) 97.1397° 42.9995°
    RAAN 294.9207° 125.2216°
    Perigee Argument 124.2617° 238.7664°
    Mean Anomaly (M) 235.9507° 121.3083°
    Apogee 490.065 km 483.747 km
    Perigee 477.279 km 482.271 km
    Orbit Epoch 2026-09-15T12:48:01+0000 2026-09-15T15:14:07+0000

    YAOGAN 21 & STARLINK-34223 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-34223 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-34223 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-34223 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34223Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34223Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data