Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.570261E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:31:18+0800
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    1 Object 1

    AOE ID 53728
    NORAD ID 53728
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64914
    NORAD ID 64914
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4640 STARLINK-34571
    Time of Closest Approach 2026-10-22T15:51:51+0000
    Collision Probability (Pc) 1.570261E-6
    Conjunction Distance (km) 2.147 km
    Relative Speed (km/s) 7.377 km/s
    Conjunction Risk Parameters R (Radial): -0.695 | I (In-track): -1.777 | C (Cross-track): 0.982
    Collision Risk Index (CRI) 0.39
    X Position (km) -2327.786 -2329.313
    Position Y (km) -4073.662 -4072.239
    Position Z (km) -4985.768 -4985.262
    Velocity X (km/s) 4.462 7.127
    Velocity Y (km/s) -5.643 -0.982
    Velocity Z (km/s) 2.529 -2.529

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4640 STARLINK-34571
    Semimajor Axis (a) 6840.857 km 6840.813 km
    Eccentricity (e) 0.000117 0.000094
    Inclination (i) 53.1594° 53.1587°
    RAAN 305.1992° 17.3677°
    Perigee Argument 91.2042° 87.5794°
    Mean Anomaly (M) 268.9095° 272.5316°
    Apogee 463.522 km 463.319 km
    Perigee 461.918 km 462.033 km
    Orbit Epoch 2026-10-20T01:37:08+0000 2026-10-20T12:46:39+0000

    STARLINK-4640 & STARLINK-34571 Collision Probability (Pc) Trend

    STARLINK-4640 & STARLINK-34571 Collision Probability (Pc) TrendNot Available

    STARLINK-4640 & STARLINK-34571 Miss Distance (Miss Distance) Trend

    STARLINK-4640 & STARLINK-34571 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4640Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34571Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4640Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34571Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4640

    No nearby objects data