Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.812048E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T07:52:53+0800
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    1 Object 1

    AOE ID 55453
    NORAD ID 55453
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name M-SEL
    AOE ID 63231
    NORAD ID 63231
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5684 M-SEL
    Time of Closest Approach 2026-10-16T01:01:15+0000
    Collision Probability (Pc) 2.812048E-6
    Conjunction Distance (km) 1.702 km
    Relative Speed (km/s) 7.213 km/s
    Conjunction Risk Parameters R (Radial): -0.463 | I (In-track): -1.444 | C (Cross-track): 0.771
    Collision Risk Index (CRI) 0.44
    X Position (km) -6660.29 -6660.378
    Position Y (km) 65.207 64.635
    Position Z (km) 1640.08 1641.68
    Velocity X (km/s) 1.149 1.833
    Velocity Y (km/s) -5.755 0.99
    Velocity Z (km/s) 4.872 7.336

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5684 M-SEL
    Semimajor Axis (a) 6861.212 km 6860.560 km
    Eccentricity (e) 0.000164 0.000669
    Inclination (i) 42.9996° 97.3741°
    RAAN 167.8324° 180.4285°
    Perigee Argument 257.2848° 86.5318°
    Mean Anomaly (M) 102.7820° 273.6687°
    Apogee 484.204 km 487.015 km
    Perigee 481.946 km 477.831 km
    Orbit Epoch 2026-10-15T09:14:20+0000 2026-10-15T04:31:31+0000

    STARLINK-5684 & M-SEL Collision Probability (Pc) Trend

    STARLINK-5684 & M-SEL Collision Probability (Pc) TrendNot Available

    STARLINK-5684 & M-SEL Miss Distance (Miss Distance) Trend

    STARLINK-5684 & M-SEL Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5684Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    M-SELMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5684Collision Probability Trend

    Object 1 Probability TrendNot Available

    M-SELCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5684

    No nearby objects data