Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.879468E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:56:17+0800
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    1 Object 1

    AOE ID 52454
    NORAD ID 52454
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55939
    NORAD ID 55939
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3888 STARLINK-5918
    Time of Closest Approach 2026-10-20T15:10:24+0000
    Collision Probability (Pc) 9.879468E-7
    Conjunction Distance (km) 2.632 km
    Relative Speed (km/s) 6.361 km/s
    Conjunction Risk Parameters R (Radial): -2.363 | I (In-track): 1.055 | C (Cross-track): 0.478
    Collision Risk Index (CRI) 0.35
    X Position (km) 2857.643 2856.261
    Position Y (km) 2982.79 2982.789
    Position Z (km) -5459.895 -5457.655
    Velocity X (km/s) -5.022 0.342
    Velocity Y (km/s) 5.714 6.608
    Velocity Z (km/s) 0.493 3.791

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3888 STARLINK-5918
    Semimajor Axis (a) 6840.885 km 6844.237 km
    Eccentricity (e) 0.000105 0.000379
    Inclination (i) 53.1589° 70.0018°
    RAAN 134.8526° 76.9157°
    Perigee Argument 89.7801° 277.9245°
    Mean Anomaly (M) 270.3323° 33.8859°
    Apogee 463.470 km 468.692 km
    Perigee 462.026 km 463.508 km
    Orbit Epoch 2026-10-19T06:42:57+0000 2026-10-19T22:00:02+0000

    STARLINK-3888 & STARLINK-5918 Collision Probability (Pc) Trend

    STARLINK-3888 & STARLINK-5918 Collision Probability (Pc) TrendNot Available

    STARLINK-3888 & STARLINK-5918 Miss Distance (Miss Distance) Trend

    STARLINK-3888 & STARLINK-5918 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3888Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5918Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3888Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5918Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3888

    No nearby objects data