Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.208382E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T18:08:35+0800
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    1 Object 1

    AOE ID 51996
    NORAD ID 51996
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53803
    NORAD ID 53803
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3538 STARLINK-4727
    Time of Closest Approach 2026-10-20T21:54:01+0000
    Collision Probability (Pc) 1.208382E-6
    Conjunction Distance (km) 2.825 km
    Relative Speed (km/s) 10.83 km/s
    Conjunction Risk Parameters R (Radial): -2.494 | I (In-track): 0.936 | C (Cross-track): -0.939
    Collision Risk Index (CRI) 0.37
    X Position (km) -559.99 -561.105
    Position Y (km) 5787.301 5785.062
    Position Z (km) 3600.958 3599.645
    Velocity X (km/s) -5.086 -5.638
    Velocity Y (km/s) -3.363 2.325
    Velocity Z (km/s) 4.599 -4.6

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3538 STARLINK-4727
    Semimajor Axis (a) 6843.328 km 6840.852 km
    Eccentricity (e) 0.000093 0.000104
    Inclination (i) 53.1569° 53.1577°
    RAAN 78.2411° 311.8544°
    Perigee Argument 91.9033° 66.8458°
    Mean Anomaly (M) 268.2075° 293.2654°
    Apogee 465.827 km 463.429 km
    Perigee 464.555 km 462.001 km
    Orbit Epoch 2026-10-18T16:32:31+0000 2026-10-19T01:31:38+0000

    STARLINK-3538 & STARLINK-4727 Collision Probability (Pc) Trend

    STARLINK-3538 & STARLINK-4727 Collision Probability (Pc) TrendNot Available

    STARLINK-3538 & STARLINK-4727 Miss Distance (Miss Distance) Trend

    STARLINK-3538 & STARLINK-4727 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3538Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4727Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3538Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4727Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3538

    No nearby objects data