Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.908932E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:33:59+0800
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    1 Object 1

    AOE ID 57788
    NORAD ID 57788
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59632
    NORAD ID 59632
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30387 STARLINK-31781
    Time of Closest Approach 2026-10-20T22:45:26+0000
    Collision Probability (Pc) 1.908932E-6
    Conjunction Distance (km) 1.8 km
    Relative Speed (km/s) 4.993 km/s
    Conjunction Risk Parameters R (Radial): 0.268 | I (In-track): -1.682 | C (Cross-track): -0.579
    Collision Risk Index (CRI) 0.41
    X Position (km) -3251.74 -3253.276
    Position Y (km) -4202.303 -4201.379
    Position Z (km) -4344.108 -4344.275
    Velocity X (km/s) 6.659 4.725
    Velocity Y (km/s) -3.157 -5.656
    Velocity Z (km/s) -1.932 1.933

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30387 STARLINK-31781
    Semimajor Axis (a) 6861.069 km 6861.251 km
    Eccentricity (e) 0.000164 0.000142
    Inclination (i) 43.0015° 43.0040°
    RAAN 0.4397° 300.5055°
    Perigee Argument 250.2790° 271.5484°
    Mean Anomaly (M) 109.7885° 88.5205°
    Apogee 484.058 km 484.087 km
    Perigee 481.806 km 482.141 km
    Orbit Epoch 2026-10-19T06:26:42+0000 2026-10-19T17:14:18+0000

    STARLINK-30387 & STARLINK-31781 Collision Probability (Pc) Trend

    STARLINK-30387 & STARLINK-31781 Collision Probability (Pc) TrendNot Available

    STARLINK-30387 & STARLINK-31781 Miss Distance (Miss Distance) Trend

    STARLINK-30387 & STARLINK-31781 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30387Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31781Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30387Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31781Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30387

    No nearby objects data