Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.218292E-7
    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 64364
    NORAD ID 64364
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4521 STARLINK-34476
    Time of Closest Approach 2026-10-30T05:19:03+0000
    Collision Probability (Pc) 6.218292E-7
    Conjunction Distance (km) 2.882 km
    Relative Speed (km/s) 3.339 km/s
    Conjunction Risk Parameters R (Radial): 2.879 | I (In-track): 0.128 | C (Cross-track): -0.028
    Collision Risk Index (CRI) 0.31
    X Position (km) 5183.796 5185.917
    Position Y (km) -567.909 -568.057
    Position Z (km) -4447.741 -4449.685
    Velocity X (km/s) -2.37 -4.018
    Velocity Y (km/s) 6.304 3.887
    Velocity Z (km/s) -3.571 -5.18

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4521 STARLINK-34476
    Semimajor Axis (a) 6849.157 km 6852.688 km
    Eccentricity (e) 0.000132 0.000317
    Inclination (i) 53.1578° 69.9985°
    RAAN 141.7884° 160.6020°
    Perigee Argument 113.3804° 264.3516°
    Mean Anomaly (M) 246.7337° 95.7298°
    Apogee 471.927 km 476.723 km
    Perigee 470.113 km 472.379 km
    Orbit Epoch 2026-10-28T13:08:49+0000 2026-10-28T08:25:19+0000

    STARLINK-4521 & STARLINK-34476 Collision Probability (Pc) Trend

    STARLINK-4521 & STARLINK-34476 Collision Probability (Pc) TrendNot Available

    STARLINK-4521 & STARLINK-34476 Miss Distance (Miss Distance) Trend

    STARLINK-4521 & STARLINK-34476 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4521Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34476Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4521Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34476Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4521

    No nearby objects data