Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.504141E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T08:19:55+0800
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    1 Object 1

    AOE ID 54251
    NORAD ID 54251
    Object Type UNKNOWN
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 62838
    NORAD ID 62838
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT A STARLINK-11556
    Time of Closest Approach 2026-09-06T18:18:50+0000
    Collision Probability (Pc) 1.504141E-6
    Conjunction Distance (km) 2.576 km
    Relative Speed (km/s) 12.431 km/s
    Conjunction Risk Parameters R (Radial): 2.097 | I (In-track): -0.87 | C (Cross-track): -1.215
    Collision Risk Index (CRI) 0.39
    X Position (km) -4052.998 -4055.453
    Position Y (km) -2871.224 -2871.69
    Position Z (km) -4544.673 -4545.295
    Velocity X (km/s) 3.364 3.855
    Velocity Y (km/s) 4.079 -6.613
    Velocity Z (km/s) -5.582 0.739

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT A STARLINK-11556
    Semimajor Axis (a) 6724.855 km 6734.336 km
    Eccentricity (e) 0.000230 0.000105
    Inclination (i) 97.6300° 42.9993°
    RAAN 39.9454° 309.9420°
    Perigee Argument 60.6447° 246.0898°
    Mean Anomaly (M) 299.5046° 113.9859°
    Apogee 348.264 km 356.909 km
    Perigee 345.172 km 355.489 km
    Orbit Epoch 2026-09-04T13:30:25+0000 2026-09-04T04:07:06+0000

    OBJECT A & STARLINK-11556 Collision Probability (Pc) Trend

    OBJECT A & STARLINK-11556 Collision Probability (Pc) TrendNot Available

    OBJECT A & STARLINK-11556 Miss Distance (Miss Distance) Trend

    OBJECT A & STARLINK-11556 Miss Distance (Miss Distance) TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11556Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT ACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11556Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT A

    No nearby objects data