Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.879295E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T08:31:55+0800
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    1 Object 1

    AOE ID 54750
    NORAD ID 54750
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59201
    NORAD ID 59201
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN-36 04C STARLINK-31603
    Time of Closest Approach 2026-09-12T18:48:34+0000
    Collision Probability (Pc) 2.879295E-6
    Conjunction Distance (km) 1.419 km
    Relative Speed (km/s) 3.124 km/s
    Conjunction Risk Parameters R (Radial): -1.338 | I (In-track): 0.458 | C (Cross-track): 0.095
    Collision Risk Index (CRI) 0.44
    X Position (km) 5520.068 5518.712
    Position Y (km) 2760.19 2759.932
    Position Z (km) 2946.186 2945.86
    Velocity X (km/s) -4.339 -4.477
    Velocity Y (km/s) 5.583 3.434
    Velocity Z (km/s) 2.886 5.149

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-36 04C STARLINK-31603
    Semimajor Axis (a) 6840.193 km 6840.935 km
    Eccentricity (e) 0.000569 0.000119
    Inclination (i) 34.9812° 53.1624°
    RAAN 351.0642° 10.4991°
    Perigee Argument 198.5278° 81.3731°
    Mean Anomaly (M) 161.5233° 278.7407°
    Apogee 465.951 km 463.615 km
    Perigee 458.161 km 461.981 km
    Orbit Epoch 2026-09-11T14:29:41+0000 2026-09-11T17:39:20+0000

    YAOGAN-36 04C & STARLINK-31603 Collision Probability (Pc) Trend

    YAOGAN-36 04C & STARLINK-31603 Collision Probability (Pc) TrendNot Available

    YAOGAN-36 04C & STARLINK-31603 Miss Distance (Miss Distance) Trend

    YAOGAN-36 04C & STARLINK-31603 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN-36 04CMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31603Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN-36 04CCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31603Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN-36 04C

    No nearby objects data