Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.306056E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T10:28:58+0800
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    1 Object 1

    AOE ID 53859
    NORAD ID 53859
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67896
    NORAD ID 67896
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4790 STARLINK-36877
    Time of Closest Approach 2026-10-20T02:32:00+0000
    Collision Probability (Pc) 1.306056E-6
    Conjunction Distance (km) 2.9 km
    Relative Speed (km/s) 13.162 km/s
    Conjunction Risk Parameters R (Radial): 2.789 | I (In-track): -0.391 | C (Cross-track): 0.691
    Collision Risk Index (CRI) 0.37
    X Position (km) -2560.602 -2559.32
    Position Y (km) -3478.138 -3477.404
    Position Z (km) -5322.546 -5320.052
    Velocity X (km/s) 6.916 -4.67
    Velocity Y (km/s) -2.841 -3.757
    Velocity Z (km/s) -1.471 4.705

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4790 STARLINK-36877
    Semimajor Axis (a) 6848.879 km 6843.762 km
    Eccentricity (e) 0.000120 0.000180
    Inclination (i) 53.1607° 97.2879°
    RAAN 348.7863° 223.7474°
    Perigee Argument 83.4410° 97.2450°
    Mean Anomaly (M) 276.6728° 262.8998°
    Apogee 471.564 km 466.861 km
    Perigee 469.920 km 464.389 km
    Orbit Epoch 2026-10-19T12:53:32+0000 2026-10-19T06:23:53+0000

    STARLINK-4790 & STARLINK-36877 Collision Probability (Pc) Trend

    STARLINK-4790 & STARLINK-36877 Collision Probability (Pc) TrendNot Available

    STARLINK-4790 & STARLINK-36877 Miss Distance (Miss Distance) Trend

    STARLINK-4790 & STARLINK-36877 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4790Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36877Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4790Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36877Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4790

    No nearby objects data