Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.365942E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:47:58+0800
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    1 Object 1

    AOE ID 55429
    NORAD ID 55429
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58742
    NORAD ID 58742
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5645 STARLINK-31151
    Time of Closest Approach 2026-10-21T07:55:56+0000
    Collision Probability (Pc) 1.365942E-6
    Conjunction Distance (km) 2.736 km
    Relative Speed (km/s) 12.396 km/s
    Conjunction Risk Parameters R (Radial): 2.733 | I (In-track): -0.078 | C (Cross-track): -0.11
    Collision Risk Index (CRI) 0.38
    X Position (km) 4555.991 4557.894
    Position Y (km) 4665.274 4667.034
    Position Z (km) 2116.382 2117.258
    Velocity X (km/s) -0.421 -5.25
    Velocity Y (km/s) 3.492 3.017
    Velocity Z (km/s) -6.768 4.638

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5645 STARLINK-31151
    Semimajor Axis (a) 6855.225 km 6861.184 km
    Eccentricity (e) 0.000303 0.000266
    Inclination (i) 69.9991° 42.9997°
    RAAN 235.3125° 31.2333°
    Perigee Argument 270.8222° 286.2579°
    Mean Anomaly (M) 89.2605° 73.7980°
    Apogee 479.167 km 484.871 km
    Perigee 475.009 km 481.223 km
    Orbit Epoch 2026-10-20T06:07:10+0000 2026-10-20T06:42:24+0000

    STARLINK-5645 & STARLINK-31151 Collision Probability (Pc) Trend

    STARLINK-5645 & STARLINK-31151 Collision Probability (Pc) TrendNot Available

    STARLINK-5645 & STARLINK-31151 Miss Distance (Miss Distance) Trend

    STARLINK-5645 & STARLINK-31151 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5645Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31151Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5645Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31151Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5645

    No nearby objects data