Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.524257E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T05:16:19+0800
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    1 Object 1

    AOE ID 47733
    NORAD ID 47733
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 51877
    NORAD ID 51877
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2143 STARLINK-3556
    Time of Closest Approach 2026-10-22T11:35:50+0000
    Collision Probability (Pc) 9.524257E-6
    Conjunction Distance (km) 1.295 km
    Relative Speed (km/s) 11.98 km/s
    Conjunction Risk Parameters R (Radial): 0.188 | I (In-track): 0.796 | C (Cross-track): 1.005
    Collision Risk Index (CRI) 0.55
    X Position (km) 4292.314 4291.459
    Position Y (km) 5020.95 5021.92
    Position Z (km) 1771.242 1771.291
    Velocity X (km/s) -2.589 -4.616
    Velocity Y (km/s) 4.265 1.893
    Velocity Z (km/s) -5.783 5.783

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2143 STARLINK-3556
    Semimajor Axis (a) 6840.667 km 6840.864 km
    Eccentricity (e) 0.000130 0.000131
    Inclination (i) 53.1590° 53.1629°
    RAAN 246.6902° 42.1684°
    Perigee Argument 90.8925° 74.4316°
    Mean Anomaly (M) 269.2227° 285.6831°
    Apogee 463.422 km 463.626 km
    Perigee 461.638 km 461.828 km
    Orbit Epoch 2026-10-21T06:45:42+0000 2026-10-21T13:37:47+0000

    STARLINK-2143 & STARLINK-3556 Collision Probability (Pc) Trend

    STARLINK-2143 & STARLINK-3556 Collision Probability (Pc) TrendNot Available

    STARLINK-2143 & STARLINK-3556 Miss Distance (Miss Distance) Trend

    STARLINK-2143 & STARLINK-3556 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2143Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3556Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2143Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3556Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2143

    No nearby objects data