Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.349616E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:02:42+0800
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    1 Object 1

    AOE ID 52153
    NORAD ID 52153
    Object Type UNKNOWN
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 56791
    NORAD ID 56791
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT A STARLINK-5977
    Time of Closest Approach 2026-09-13T14:31:08+0000
    Collision Probability (Pc) 1.349616E-6
    Conjunction Distance (km) 2.39 km
    Relative Speed (km/s) 8.258 km/s
    Conjunction Risk Parameters R (Radial): 0.457 | I (In-track): 1.962 | C (Cross-track): 1.287
    Collision Risk Index (CRI) 0.38
    X Position (km) -355.93 -356.381
    Position Y (km) 3125.261 3123.396
    Position Z (km) -6201.944 -6203.37
    Velocity X (km/s) 2.923 -5.189
    Velocity Y (km/s) -6.162 -5.029
    Velocity Z (km/s) -3.274 -2.234

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT A STARLINK-5977
    Semimajor Axis (a) 6953.084 km 6950.195 km
    Eccentricity (e) 0.000907 0.000343
    Inclination (i) 97.5800° 69.9984°
    RAAN 290.1197° 235.3848°
    Perigee Argument 246.8963° 267.8735°
    Mean Anomaly (M) 113.1304° 92.2031°
    Apogee 581.253 km 574.442 km
    Perigee 568.641 km 569.674 km
    Orbit Epoch 2026-09-11T22:56:28+0000 2026-09-11T16:32:12+0000

    OBJECT A & STARLINK-5977 Collision Probability (Pc) Trend

    OBJECT A & STARLINK-5977 Collision Probability (Pc) TrendNot Available

    OBJECT A & STARLINK-5977 Miss Distance (Miss Distance) Trend

    OBJECT A & STARLINK-5977 Miss Distance (Miss Distance) TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5977Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT ACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5977Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT A

    No nearby objects data