Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.341746E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:45:19+0800
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    1 Object 1

    AOE ID 46063
    NORAD ID 46063
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52365
    NORAD ID 52365
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1577 STARLINK-3874
    Time of Closest Approach 2026-10-21T18:26:35+0000
    Collision Probability (Pc) 9.341746E-6
    Conjunction Distance (km) 1.234 km
    Relative Speed (km/s) 9.187 km/s
    Conjunction Risk Parameters R (Radial): 1.191 | I (In-track): -0.259 | C (Cross-track): -0.194
    Collision Risk Index (CRI) 0.54
    X Position (km) -928.666 -928.824
    Position Y (km) 5059.103 5058.164
    Position Z (km) -4519.347 -4518.562
    Velocity X (km/s) -6.535 -5.441
    Velocity Y (km/s) 1.881 -4.08
    Velocity Z (km/s) 3.452 -3.452

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1577 STARLINK-3874
    Semimajor Axis (a) 6842.378 km 6840.883 km
    Eccentricity (e) 0.000125 0.000096
    Inclination (i) 53.1601° 53.1586°
    RAAN 149.8678° 250.6691°
    Perigee Argument 84.3120° 89.0570°
    Mean Anomaly (M) 168.8016° 271.0543°
    Apogee 465.100 km 463.406 km
    Perigee 463.382 km 462.086 km
    Orbit Epoch 2026-10-20T00:00:02+0000 2026-10-19T07:34:49+0000

    STARLINK-1577 & STARLINK-3874 Collision Probability (Pc) Trend

    STARLINK-1577 & STARLINK-3874 Collision Probability (Pc) TrendNot Available

    STARLINK-1577 & STARLINK-3874 Miss Distance (Miss Distance) Trend

    STARLINK-1577 & STARLINK-3874 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1577Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3874Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1577Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3874Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1577

    No nearby objects data