Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.480277E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:51:08+0800
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    1 Object 1

    AOE ID 52364
    NORAD ID 52364
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53498
    NORAD ID 53498
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3820 STARLINK-4439
    Time of Closest Approach 2026-10-23T03:05:51+0000
    Collision Probability (Pc) 2.480277E-6
    Conjunction Distance (km) 2.117 km
    Relative Speed (km/s) 14.762 km/s
    Conjunction Risk Parameters R (Radial): 1.927 | I (In-track): 0.235 | C (Cross-track): -0.845
    Collision Risk Index (CRI) 0.43
    X Position (km) -4094.748 -4095.245
    Position Y (km) -5484.785 -5486.817
    Position Z (km) -18.486 -18.809
    Velocity X (km/s) 3.661 -0.768
    Velocity Y (km/s) -2.745 0.587
    Velocity Z (km/s) 6.111 -7.571

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3820 STARLINK-4439
    Semimajor Axis (a) 6843.382 km 6843.611 km
    Eccentricity (e) 0.000076 0.000176
    Inclination (i) 53.1600° 97.2835°
    RAAN 246.7635° 50.4859°
    Perigee Argument 121.4581° 113.3474°
    Mean Anomaly (M) 238.6495° 246.7954°
    Apogee 465.764 km 466.681 km
    Perigee 464.726 km 464.267 km
    Orbit Epoch 2026-10-20T06:16:35+0000 2026-10-20T06:58:18+0000

    STARLINK-3820 & STARLINK-4439 Collision Probability (Pc) Trend

    STARLINK-3820 & STARLINK-4439 Collision Probability (Pc) TrendNot Available

    STARLINK-3820 & STARLINK-4439 Miss Distance (Miss Distance) Trend

    STARLINK-3820 & STARLINK-4439 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3820Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4439Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3820Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4439Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3820

    No nearby objects data