Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.584661E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:33:43+0800
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    1 Object 1

    AOE ID 57254
    NORAD ID 57254
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64145
    NORAD ID 64145
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5490 STARLINK-34186
    Time of Closest Approach 2026-10-21T11:49:33+0000
    Collision Probability (Pc) 7.584661E-7
    Conjunction Distance (km) 2.93 km
    Relative Speed (km/s) 5.077 km/s
    Conjunction Risk Parameters R (Radial): 0.069 | I (In-track): 2.762 | C (Cross-track): 0.974
    Collision Risk Index (CRI) 0.33
    X Position (km) 2941.135 2943.604
    Position Y (km) -4430.034 -4428.459
    Position Z (km) 4326.743 4326.785
    Velocity X (km/s) 6.88 5.104
    Velocity Y (km/s) 2.642 5.317
    Velocity Z (km/s) -1.966 1.965

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5490 STARLINK-34186
    Semimajor Axis (a) 6861.209 km 6861.133 km
    Eccentricity (e) 0.000062 0.000136
    Inclination (i) 43.0037° 42.9987°
    RAAN 197.8115° 255.0386°
    Perigee Argument 249.9552° 264.0513°
    Mean Anomaly (M) 110.1233° 96.0183°
    Apogee 483.499 km 483.930 km
    Perigee 482.645 km 482.062 km
    Orbit Epoch 2026-10-19T02:50:35+0000 2026-10-19T07:44:49+0000

    STARLINK-5490 & STARLINK-34186 Collision Probability (Pc) Trend

    STARLINK-5490 & STARLINK-34186 Collision Probability (Pc) TrendNot Available

    STARLINK-5490 & STARLINK-34186 Miss Distance (Miss Distance) Trend

    STARLINK-5490 & STARLINK-34186 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5490Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34186Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5490Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34186Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5490

    No nearby objects data