Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.504537E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T05:19:40+0800
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    1 Object 1

    AOE ID 53609
    NORAD ID 53609
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54686
    NORAD ID 54686
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4660 OBJECT E
    Time of Closest Approach 2026-10-18T15:42:45+0000
    Collision Probability (Pc) 2.504537E-6
    Conjunction Distance (km) 2.107 km
    Relative Speed (km/s) 14.718 km/s
    Conjunction Risk Parameters R (Radial): -0.586 | I (In-track): -0.533 | C (Cross-track): 1.952
    Collision Risk Index (CRI) 0.43
    X Position (km) 1448.023 1446.14
    Position Y (km) -6393.717 -6393.805
    Position Z (km) -1966.534 -1965.593
    Velocity X (km/s) 5.035 -1.516
    Velocity Y (km/s) -0.608 1.87
    Velocity Z (km/s) 5.704 -7.241

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4660 OBJECT E
    Semimajor Axis (a) 6840.856 km 6836.877 km
    Eccentricity (e) 0.000165 0.000911
    Inclination (i) 53.1575° 97.6948°
    RAAN 303.0513° 103.8741°
    Perigee Argument 96.1338° 93.3190°
    Mean Anomaly (M) 263.9853° 266.9095°
    Apogee 463.850 km 464.972 km
    Perigee 461.588 km 452.508 km
    Orbit Epoch 2026-10-17T02:17:09+0000 2026-10-17T12:16:32+0000

    STARLINK-4660 & OBJECT E Collision Probability (Pc) Trend

    STARLINK-4660 & OBJECT E Collision Probability (Pc) TrendNot Available

    STARLINK-4660 & OBJECT E Miss Distance (Miss Distance) Trend

    STARLINK-4660 & OBJECT E Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4660Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT EMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4660Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4660

    No nearby objects data