Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.081883E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T10:30:06+0800
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    1 Object 1

    AOE ID 55942
    NORAD ID 55942
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name HJS-9D
    AOE ID 68834
    NORAD ID 68834
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5917 HJS-9D
    Time of Closest Approach 2026-10-16T20:24:20+0000
    Collision Probability (Pc) 3.081883E-6
    Conjunction Distance (km) 1.85 km
    Relative Speed (km/s) 12.014 km/s
    Conjunction Risk Parameters R (Radial): -0.588 | I (In-track): 1.082 | C (Cross-track): 1.381
    Collision Risk Index (CRI) 0.45
    X Position (km) -2033.562 -2031.892
    Position Y (km) -4794.871 -4795.337
    Position Z (km) 4479.625 4478.982
    Velocity X (km/s) 1.431 6.582
    Velocity Y (km/s) -5.428 0.745
    Velocity Z (km/s) -5.15 3.777

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5917 HJS-9D
    Semimajor Axis (a) 6874.138 km 6884.975 km
    Eccentricity (e) 0.000337 0.001563
    Inclination (i) 70.0016° 54.9965°
    RAAN 92.0848° 221.5227°
    Perigee Argument 257.8217° 35.5156°
    Mean Anomaly (M) 20.8469° 324.6902°
    Apogee 498.319 km 517.602 km
    Perigee 493.683 km 496.074 km
    Orbit Epoch 2026-10-14T06:00:04+0000 2026-10-14T05:01:58+0000

    STARLINK-5917 & HJS-9D Collision Probability (Pc) Trend

    STARLINK-5917 & HJS-9D Collision Probability (Pc) TrendNot Available

    STARLINK-5917 & HJS-9D Miss Distance (Miss Distance) Trend

    STARLINK-5917 & HJS-9D Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5917Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HJS-9DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5917Collision Probability Trend

    Object 1 Probability TrendNot Available

    HJS-9DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5917

    No nearby objects data