Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.649559E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:36:54+0800
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    1 Object 1

    AOE ID 53777
    NORAD ID 53777
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65217
    NORAD ID 65217
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4664 STARLINK-34871
    Time of Closest Approach 2026-10-20T21:56:04+0000
    Collision Probability (Pc) 1.649559E-6
    Conjunction Distance (km) 2.409 km
    Relative Speed (km/s) 11.887 km/s
    Conjunction Risk Parameters R (Radial): 2.184 | I (In-track): 0.636 | C (Cross-track): -0.793
    Collision Risk Index (CRI) 0.39
    X Position (km) 6370.554 6372.808
    Position Y (km) -1395.287 -1394.74
    Position Z (km) 2049.068 2049.719
    Velocity X (km/s) -0.722 2.774
    Velocity Y (km/s) 5.072 4.306
    Velocity Z (km/s) 5.668 -5.667

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4664 STARLINK-34871
    Semimajor Axis (a) 6837.862 km 6840.749 km
    Eccentricity (e) 0.000146 0.000125
    Inclination (i) 53.1590° 53.1576°
    RAAN 342.2706° 189.0298°
    Perigee Argument 87.6224° 116.4328°
    Mean Anomaly (M) 272.4946° 243.6803°
    Apogee 460.724 km 463.470 km
    Perigee 458.726 km 461.754 km
    Orbit Epoch 2026-10-19T03:39:33+0000 2026-10-19T06:10:14+0000

    STARLINK-4664 & STARLINK-34871 Collision Probability (Pc) Trend

    STARLINK-4664 & STARLINK-34871 Collision Probability (Pc) TrendNot Available

    STARLINK-4664 & STARLINK-34871 Miss Distance (Miss Distance) Trend

    STARLINK-4664 & STARLINK-34871 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4664Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34871Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4664Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34871Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4664

    No nearby objects data