Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.056523E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T14:54:35+0800
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    1 Object 1

    AOE ID 53391
    NORAD ID 53391
    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-4521 STARLINK-34748
    Time of Closest Approach 2026-10-30T13:02:09+0000
    Collision Probability (Pc) 1.056523E-6
    Conjunction Distance (km) 2.506 km
    Relative Speed (km/s) 6.241 km/s
    Conjunction Risk Parameters R (Radial): -2.484 | I (In-track): -0.295 | C (Cross-track): 0.126
    Collision Risk Index (CRI) 0.35
    X Position (km) 5513.874 5511.929
    Position Y (km) -3120.431 -3119.44
    Position Z (km) -2610.711 -2609.481
    Velocity X (km/s) 0.514 -3.014
    Velocity Y (km/s) 5.391 0.505
    Velocity Z (km/s) -5.371 -6.988

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4521 STARLINK-34748
    Semimajor Axis (a) 6849.157 km 6843.710 km
    Eccentricity (e) 0.000132 0.000187
    Inclination (i) 53.1578° 97.2835°
    RAAN 141.7884° 151.3357°
    Perigee Argument 113.3804° 90.2764°
    Mean Anomaly (M) 246.7337° 161.3702°
    Apogee 471.927 km 466.850 km
    Perigee 470.113 km 464.296 km
    Orbit Epoch 2026-10-28T13:08:49+0000 2026-10-28T08:00:04+0000

    STARLINK-4521 & STARLINK-34748 Collision Probability (Pc) Trend

    STARLINK-4521 & STARLINK-34748 Collision Probability (Pc) TrendNot Available

    STARLINK-4521 & STARLINK-34748 Miss Distance (Miss Distance) Trend

    STARLINK-4521 & STARLINK-34748 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4521Miss 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-4521Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34748Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4521

    No nearby objects data