Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.066159E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T13:36:47+0800
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    1 Object 1

    AOE ID 54089
    NORAD ID 54089
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 56874
    NORAD ID 56874
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5143 LONGJIANG 3
    Time of Closest Approach 2026-10-19T23:46:26+0000
    Collision Probability (Pc) 2.066159E-6
    Conjunction Distance (km) 1.961 km
    Relative Speed (km/s) 8.139 km/s
    Conjunction Risk Parameters R (Radial): 1.941 | I (In-track): 0.233 | C (Cross-track): 0.157
    Collision Risk Index (CRI) 0.41
    X Position (km) -5075.892 -5077.352
    Position Y (km) 220.751 220.533
    Position Z (km) 4575.051 4576.342
    Velocity X (km/s) -3.288 2.125
    Velocity Y (km/s) -6.027 -6.825
    Velocity Z (km/s) -3.347 2.678

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5143 LONGJIANG 3
    Semimajor Axis (a) 6843.365 km 6839.938 km
    Eccentricity (e) 0.000134 0.000747
    Inclination (i) 53.1586° 49.1038°
    RAAN 47.6877° 131.5909°
    Perigee Argument 80.3240° 228.4825°
    Mean Anomaly (M) 279.7913° 131.5482°
    Apogee 466.148 km 466.908 km
    Perigee 464.308 km 456.694 km
    Orbit Epoch 2026-10-18T08:08:12+0000 2026-10-18T22:30:09+0000

    STARLINK-5143 & LONGJIANG 3 Collision Probability (Pc) Trend

    STARLINK-5143 & LONGJIANG 3 Collision Probability (Pc) TrendNot Available

    STARLINK-5143 & LONGJIANG 3 Miss Distance (Miss Distance) Trend

    STARLINK-5143 & LONGJIANG 3 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5143Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LONGJIANG 3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5143Collision Probability Trend

    Object 1 Probability TrendNot Available

    LONGJIANG 3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5143

    No nearby objects data