Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    9.546502E-4
    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 2026-10-21T16:48:15+0000
    Collision Probability (Pc) 9.546502E-4
    Conjunction Distance (km) 0.107 km
    Relative Speed (km/s) 4.998 km/s
    Conjunction Risk Parameters R (Radial): -0.017 | I (In-track): -0.099 | C (Cross-track): 0.037
    Collision Risk Index (CRI) 0.95
    X Position (km) 3551.094 3551.163
    Position Y (km) 3945.265 3945.184
    Position Z (km) 4339.292 4339.282
    Velocity X (km/s) -6.415 -4.296
    Velocity Y (km/s) 3.644 5.998
    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