Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.394643E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:17:25+0800
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    1 Object 1

    AOE ID 53529
    NORAD ID 53529
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68464
    NORAD ID 68464
    Object Type PAYLOAD
    Country
    TR TR

    Conjunction Constraints

    Parameter STARLINK-4478 FGN-100-D3
    Time of Closest Approach 2026-10-21T01:42:41+0000
    Collision Probability (Pc) 1.394643E-6
    Conjunction Distance (km) 2.747 km
    Relative Speed (km/s) 12.975 km/s
    Conjunction Risk Parameters R (Radial): 2.529 | I (In-track): 0.569 | C (Cross-track): 0.909
    Collision Risk Index (CRI) 0.38
    X Position (km) -2060.15 -2059.945
    Position Y (km) -3730.129 -3731.374
    Position Z (km) 5399.198 5401.638
    Velocity X (km/s) 5.71 1.428
    Velocity Y (km/s) -4.894 5.891
    Velocity Z (km/s) -1.199 4.604

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4478 FGN-100-D3
    Semimajor Axis (a) 6887.688 km 6888.116 km
    Eccentricity (e) 0.000351 0.000395
    Inclination (i) 53.2110° 97.4683°
    RAAN 137.4439° 249.9431°
    Perigee Argument 88.2299° 40.0462°
    Mean Anomaly (M) 271.9099° 320.1062°
    Apogee 511.970 km 512.700 km
    Perigee 507.132 km 507.258 km
    Orbit Epoch 2026-10-19T23:59:54+0000 2026-10-20T08:05:12+0000

    STARLINK-4478 & FGN-100-D3 Collision Probability (Pc) Trend

    STARLINK-4478 & FGN-100-D3 Collision Probability (Pc) TrendNot Available

    STARLINK-4478 & FGN-100-D3 Miss Distance (Miss Distance) Trend

    STARLINK-4478 & FGN-100-D3 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4478Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FGN-100-D3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4478Collision Probability Trend

    Object 1 Probability TrendNot Available

    FGN-100-D3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4478

    No nearby objects data