Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.487787E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:38:29+0800
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    1 Object 1

    AOE ID 53780
    NORAD ID 53780
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63453
    NORAD ID 63453
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4678 STARLINK-33784
    Time of Closest Approach 2026-10-21T23:31:46+0000
    Collision Probability (Pc) 4.487787E-6
    Conjunction Distance (km) 1.628 km
    Relative Speed (km/s) 11.999 km/s
    Conjunction Risk Parameters R (Radial): -0.833 | I (In-track): 0.867 | C (Cross-track): -1.096
    Collision Risk Index (CRI) 0.48
    X Position (km) 6124.483 6124.269
    Position Y (km) -2524.045 -2522.445
    Position Z (km) 1702.824 1702.618
    Velocity X (km/s) 0.412 3.19
    Velocity Y (km/s) 4.942 3.799
    Velocity Z (km/s) 5.808 -5.808

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4678 STARLINK-33784
    Semimajor Axis (a) 6840.879 km 6840.819 km
    Eccentricity (e) 0.000147 0.000231
    Inclination (i) 53.1591° 53.1552°
    RAAN 339.6026° 182.2687°
    Perigee Argument 91.3406° 81.2479°
    Mean Anomaly (M) 268.7764° 278.8785°
    Apogee 463.745 km 464.261 km
    Perigee 461.739 km 461.103 km
    Orbit Epoch 2026-10-19T04:13:50+0000 2026-10-19T02:02:53+0000

    STARLINK-4678 & STARLINK-33784 Collision Probability (Pc) Trend

    STARLINK-4678 & STARLINK-33784 Collision Probability (Pc) TrendNot Available

    STARLINK-4678 & STARLINK-33784 Miss Distance (Miss Distance) Trend

    STARLINK-4678 & STARLINK-33784 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4678Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33784Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4678Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33784Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4678

    No nearby objects data