Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.553031E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T20:44:45+0800
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    1 Object 1

    AOE ID 51736
    NORAD ID 51736
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53671
    NORAD ID 53671
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3447 STARLINK-4440
    Time of Closest Approach 2026-10-29T12:10:17+0000
    Collision Probability (Pc) 1.553031E-6
    Conjunction Distance (km) 2.667 km
    Relative Speed (km/s) 14.455 km/s
    Conjunction Risk Parameters R (Radial): -2.384 | I (In-track): 0.381 | C (Cross-track): -1.132
    Collision Risk Index (CRI) 0.39
    X Position (km) 5664.941 5663.285
    Position Y (km) -22.771 -21.708
    Position Z (km) 3839.376 3837.577
    Velocity X (km/s) -2.938 4.237
    Velocity Y (km/s) 5.542 -1.185
    Velocity Z (km/s) 4.353 -6.24

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3447 STARLINK-4440
    Semimajor Axis (a) 6848.812 km 6843.696 km
    Eccentricity (e) 0.000175 0.000163
    Inclination (i) 53.1598° 97.2834°
    RAAN 337.1698° 173.2392°
    Perigee Argument 72.4176° 88.7771°
    Mean Anomaly (M) 287.7017° 271.3659°
    Apogee 471.876 km 466.677 km
    Perigee 469.474 km 464.441 km
    Orbit Epoch 2026-10-27T19:15:46+0000 2026-10-27T21:57:09+0000

    STARLINK-3447 & STARLINK-4440 Collision Probability (Pc) Trend

    STARLINK-3447 & STARLINK-4440 Collision Probability (Pc) TrendNot Available

    STARLINK-3447 & STARLINK-4440 Miss Distance (Miss Distance) Trend

    STARLINK-3447 & STARLINK-4440 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3447Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4440Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3447Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4440Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3447

    No nearby objects data