Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.654137E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T21:49:59+0800
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    1 Object 1

    AOE ID 53180
    NORAD ID 53180
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65255
    NORAD ID 65255
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4258 STARLINK-34987
    Time of Closest Approach 2026-10-18T00:31:35+0000
    Collision Probability (Pc) 1.654137E-6
    Conjunction Distance (km) 2.539 km
    Relative Speed (km/s) 14.016 km/s
    Conjunction Risk Parameters R (Radial): -2.521 | I (In-track): -0.119 | C (Cross-track): -0.27
    Collision Risk Index (CRI) 0.39
    X Position (km) -3924.303 -3925.804
    Position Y (km) 2975.333 2976.163
    Position Z (km) -4759.355 -4761.226
    Velocity X (km/s) -6.17 4.965
    Velocity Y (km/s) -3.302 -2.077
    Velocity Z (km/s) 3.026 -5.396

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4258 STARLINK-34987
    Semimajor Axis (a) 6843.391 km 6843.679 km
    Eccentricity (e) 0.000117 0.000140
    Inclination (i) 53.1578° 97.2867°
    RAAN 193.4769° 328.8041°
    Perigee Argument 93.7701° 68.7010°
    Mean Anomaly (M) 266.3436° 291.4382°
    Apogee 466.059 km 466.500 km
    Perigee 464.449 km 464.584 km
    Orbit Epoch 2026-10-17T02:53:27+0000 2026-10-16T20:55:39+0000

    STARLINK-4258 & STARLINK-34987 Collision Probability (Pc) Trend

    STARLINK-4258 & STARLINK-34987 Collision Probability (Pc) TrendNot Available

    STARLINK-4258 & STARLINK-34987 Miss Distance (Miss Distance) Trend

    STARLINK-4258 & STARLINK-34987 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4258Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34987Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4258Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34987Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4258

    No nearby objects data