Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.163333E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T15:13:25+0800
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    1 Object 1

    AOE ID 55431
    NORAD ID 55431
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58809
    NORAD ID 58809
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5643 STARLINK-31169
    Time of Closest Approach 2026-10-16T13:37:19+0000
    Collision Probability (Pc) 1.163333E-6
    Conjunction Distance (km) 2.903 km
    Relative Speed (km/s) 10.778 km/s
    Conjunction Risk Parameters R (Radial): 2.877 | I (In-track): 0.266 | C (Cross-track): 0.283
    Collision Risk Index (CRI) 0.36
    X Position (km) 3577.084 3578.351
    Position Y (km) 4217.15 4219.213
    Position Z (km) 4048.28 4049.882
    Velocity X (km/s) 0.178 -6.505
    Velocity Y (km/s) 5.207 3.019
    Velocity Z (km/s) -5.57 2.597

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5643 STARLINK-31169
    Semimajor Axis (a) 6855.195 km 6861.084 km
    Eccentricity (e) 0.000318 0.000160
    Inclination (i) 69.9995° 43.0032°
    RAAN 247.6483° 1.6889°
    Perigee Argument 266.8739° 272.9253°
    Mean Anomaly (M) 93.2073° 87.1416°
    Apogee 479.235 km 484.045 km
    Perigee 474.881 km 481.849 km
    Orbit Epoch 2026-10-15T15:02:05+0000 2026-10-15T21:40:06+0000

    STARLINK-5643 & STARLINK-31169 Collision Probability (Pc) Trend

    STARLINK-5643 & STARLINK-31169 Collision Probability (Pc) TrendNot Available

    STARLINK-5643 & STARLINK-31169 Miss Distance (Miss Distance) Trend

    STARLINK-5643 & STARLINK-31169 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5643Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31169Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5643Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31169Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5643

    No nearby objects data