Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.618173E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T11:33:03+0800
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    1 Object 1

    AOE ID 12586
    NORAD ID 12586
    Object Type ROCKET BODY
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 53626
    NORAD ID 53626
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-3 R/B STARLINK-4554
    Time of Closest Approach 2026-09-06T05:53:20+0000
    Collision Probability (Pc) 1.618173E-4
    Conjunction Distance (km) 0.551 km
    Relative Speed (km/s) 14.622 km/s
    Conjunction Risk Parameters R (Radial): -0.268 | I (In-track): 0.137 | C (Cross-track): 0.462
    Collision Risk Index (CRI) 0.79
    X Position (km) -2500.818 -2501.085
    Position Y (km) 5662.897 5662.419
    Position Z (km) -2926.802 -2926.87
    Velocity X (km/s) 2.319 -5.612
    Velocity Y (km/s) -2.488 0.185
    Velocity Z (km/s) -6.825 5.165

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B STARLINK-4554
    Semimajor Axis (a) 6836.933 km 6843.354 km
    Eccentricity (e) 0.001283 0.000133
    Inclination (i) 97.6123° 53.1597°
    RAAN 294.9228° 146.4357°
    Perigee Argument 89.7341° 79.3499°
    Mean Anomaly (M) 270.5372° 280.7653°
    Apogee 467.565 km 466.126 km
    Perigee 450.027 km 464.308 km
    Orbit Epoch 2026-09-03T19:08:18+0000 2026-09-03T17:01:45+0000

    SL-3 R/B & STARLINK-4554 Collision Probability (Pc) Trend

    SL-3 R/B & STARLINK-4554 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & STARLINK-4554 Miss Distance (Miss Distance) Trend

    SL-3 R/B & STARLINK-4554 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4554Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4554Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data