Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.160096E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-31T20:54:41+0800
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    1 Object 1

    AOE ID 52306
    NORAD ID 52306
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64459
    NORAD ID 64459
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3747 STARLINK-34421
    Time of Closest Approach 2026-08-31T13:50:07+0000
    Collision Probability (Pc) 5.160096E-7
    Conjunction Distance (km) 2.916 km
    Relative Speed (km/s) 2.331 km/s
    Conjunction Risk Parameters R (Radial): 0.281 | I (In-track): 2.869 | C (Cross-track): 0.444
    Collision Risk Index (CRI) 0.29
    X Position (km) 251.26 254.167
    Position Y (km) -4147.736 -4147.729
    Position Z (km) -5440.252 -5440.475
    Velocity X (km/s) 7.464 7.577
    Velocity Y (km/s) 1.383 -0.464
    Velocity Z (km/s) -0.71 0.708

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3747 STARLINK-34421
    Semimajor Axis (a) 6839.577 km 6840.808 km
    Eccentricity (e) 0.000162 0.000075
    Inclination (i) 53.1616° 53.1589°
    RAAN 16.8652° 356.9907°
    Perigee Argument 96.7965° 99.7785°
    Mean Anomaly (M) 263.3223° 260.3302°
    Apogee 462.549 km 463.182 km
    Perigee 460.331 km 462.160 km
    Orbit Epoch 2026-08-31T01:45:11+0000 2026-08-30T14:44:59+0000

    STARLINK-3747 & STARLINK-34421 Collision Probability (Pc) Trend

    STARLINK-3747 & STARLINK-34421 Collision Probability (Pc) TrendNot Available

    STARLINK-3747 & STARLINK-34421 Miss Distance (Miss Distance) Trend

    STARLINK-3747 & STARLINK-34421 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3747Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34421Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3747Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34421Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3747

    No nearby objects data