Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.692291E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T01:59:40+0800
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    1 Object 1

    AOE ID 53676
    NORAD ID 53676
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64848
    NORAD ID 64848
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4621 STARLINK-34748
    Time of Closest Approach 2026-10-31T04:11:57+0000
    Collision Probability (Pc) 5.692291E-7
    Conjunction Distance (km) 2.946 km
    Relative Speed (km/s) 2.934 km/s
    Conjunction Risk Parameters R (Radial): -0.662 | I (In-track): -2.816 | C (Cross-track): 0.551
    Collision Risk Index (CRI) 0.3
    X Position (km) 225.514 222.715
    Position Y (km) 854.761 855.405
    Position Z (km) 6777.788 6777.131
    Velocity X (km/s) 7.616 6.879
    Velocity Y (km/s) -0.494 -3.307
    Velocity Z (km/s) -0.191 0.191

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4621 STARLINK-34748
    Semimajor Axis (a) 6843.702 km 6843.742 km
    Eccentricity (e) 0.000155 0.000184
    Inclination (i) 97.2846° 97.2842°
    RAAN 174.9132° 152.4045°
    Perigee Argument 95.6075° 88.1058°
    Mean Anomaly (M) 264.5344° 19.9420°
    Apogee 466.626 km 466.864 km
    Perigee 464.504 km 464.346 km
    Orbit Epoch 2026-10-29T14:12:54+0000 2026-10-29T10:00:02+0000

    STARLINK-4621 & STARLINK-34748 Collision Probability (Pc) Trend

    STARLINK-4621 & STARLINK-34748 Collision Probability (Pc) TrendNot Available

    STARLINK-4621 & STARLINK-34748 Miss Distance (Miss Distance) Trend

    STARLINK-4621 & STARLINK-34748 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4621Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34748Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4621Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34748Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4621

    No nearby objects data