Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.045863E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T05:55:50+0800
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    1 Object 1

    AOE ID 55359
    NORAD ID 55359
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55747
    NORAD ID 55747
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5641 STARLINK-5539
    Time of Closest Approach 2026-11-01T15:23:08+0000
    Collision Probability (Pc) 1.045863E-6
    Conjunction Distance (km) 2.463 km
    Relative Speed (km/s) 5.821 km/s
    Conjunction Risk Parameters R (Radial): 1.598 | I (In-track): 1.731 | C (Cross-track): 0.719
    Collision Risk Index (CRI) 0.35
    X Position (km) 5165.394 5167.681
    Position Y (km) -1205.29 -1204.38
    Position Z (km) -4355.688 -4355.745
    Velocity X (km/s) 3.156 4.985
    Velocity Y (km/s) 6.669 2.299
    Velocity Z (km/s) 1.899 5.28

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5641 STARLINK-5539
    Semimajor Axis (a) 6861.196 km 6861.207 km
    Eccentricity (e) 0.000153 0.000332
    Inclination (i) 42.9989° 69.9989°
    RAAN 57.8265° 7.2873°
    Perigee Argument 281.7901° 279.4688°
    Mean Anomaly (M) 78.2780° 244.8221°
    Apogee 484.107 km 485.348 km
    Perigee 482.011 km 480.792 km
    Orbit Epoch 2026-10-31T00:27:11+0000 2026-10-31T12:00:03+0000

    STARLINK-5641 & STARLINK-5539 Collision Probability (Pc) Trend

    STARLINK-5641 & STARLINK-5539 Collision Probability (Pc) TrendNot Available

    STARLINK-5641 & STARLINK-5539 Miss Distance (Miss Distance) Trend

    STARLINK-5641 & STARLINK-5539 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5641Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5539Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5641Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5539Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5641

    No nearby objects data