Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.532581E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T15:42:01+0800
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    1 Object 1

    AOE ID 54783
    NORAD ID 54783
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69304
    NORAD ID 69304
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5439 STARLINK-37731
    Time of Closest Approach 2026-10-21T15:48:23+0000
    Collision Probability (Pc) 1.532581E-6
    Conjunction Distance (km) 2.579 km
    Relative Speed (km/s) 12.875 km/s
    Conjunction Risk Parameters R (Radial): 2.543 | I (In-track): -0.24 | C (Cross-track): -0.354
    Collision Risk Index (CRI) 0.39
    X Position (km) -3585.773 -3584.802
    Position Y (km) 2210.918 2209.971
    Position Z (km) 5390.016 5387.823
    Velocity X (km/s) -2.745 -4.19
    Velocity Y (km/s) -7.045 4.431
    Velocity Z (km/s) 1.061 -4.594

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5439 STARLINK-37731
    Semimajor Axis (a) 6848.883 km 6843.670 km
    Eccentricity (e) 0.000147 0.000075
    Inclination (i) 53.1584° 97.2877°
    RAAN 83.9265° 316.6486°
    Perigee Argument 87.7506° 89.5277°
    Mean Anomaly (M) 272.3663° 270.6052°
    Apogee 471.750 km 466.046 km
    Perigee 469.742 km 465.020 km
    Orbit Epoch 2026-10-19T16:28:43+0000 2026-10-19T08:26:24+0000

    STARLINK-5439 & STARLINK-37731 Collision Probability (Pc) Trend

    STARLINK-5439 & STARLINK-37731 Collision Probability (Pc) TrendNot Available

    STARLINK-5439 & STARLINK-37731 Miss Distance (Miss Distance) Trend

    STARLINK-5439 & STARLINK-37731 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5439Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37731Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5439Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37731Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5439

    No nearby objects data