Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.401622E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:06:37+0800
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    1 Object 1

    AOE ID 52680
    NORAD ID 52680
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57990
    NORAD ID 57990
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-3774 YAOGAN-39 03C
    Time of Closest Approach 2026-09-14T08:56:55+0000
    Collision Probability (Pc) 1.401622E-6
    Conjunction Distance (km) 2.266 km
    Relative Speed (km/s) 7.383 km/s
    Conjunction Risk Parameters R (Radial): 2.117 | I (In-track): 0.712 | C (Cross-track): -0.385
    Collision Risk Index (CRI) 0.38
    X Position (km) 5643.238 5645.269
    Position Y (km) -1328.885 -1328.565
    Position Z (km) -3709.563 -3710.513
    Velocity X (km/s) 4.042 0.777
    Velocity Y (km/s) 4.612 7.426
    Velocity Z (km/s) 4.503 -1.491

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3774 YAOGAN-39 03C
    Semimajor Axis (a) 6878.192 km 6893.343 km
    Eccentricity (e) 0.000159 0.001742
    Inclination (i) 53.1594° 34.9891°
    RAAN 26.3022° 115.6370°
    Perigee Argument 82.1837° 198.3870°
    Mean Anomaly (M) 187.5692° 161.6214°
    Apogee 501.148 km 527.215 km
    Perigee 498.962 km 503.197 km
    Orbit Epoch 2026-09-12T00:00:02+0000 2026-09-11T22:59:15+0000

    STARLINK-3774 & YAOGAN-39 03C Collision Probability (Pc) Trend

    STARLINK-3774 & YAOGAN-39 03C Collision Probability (Pc) TrendNot Available

    STARLINK-3774 & YAOGAN-39 03C Miss Distance (Miss Distance) Trend

    STARLINK-3774 & YAOGAN-39 03C Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3774Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-39 03CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3774Collision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-39 03CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3774

    No nearby objects data