Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.19876E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:22:21+0800
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    1 Object 1

    AOE ID 49415
    NORAD ID 49415
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53733
    NORAD ID 53733
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3159 STARLINK-4574
    Time of Closest Approach 2026-09-12T19:47:00+0000
    Collision Probability (Pc) 7.19876E-7
    Conjunction Distance (km) 2.594 km
    Relative Speed (km/s) 3.406 km/s
    Conjunction Risk Parameters R (Radial): -2.548 | I (In-track): -0.471 | C (Cross-track): -0.106
    Collision Risk Index (CRI) 0.32
    X Position (km) 4097.562 4098.973
    Position Y (km) 980.188 981.023
    Position Z (km) -5396.649 -5398.659
    Velocity X (km/s) -0.424 -3.034
    Velocity Y (km/s) 7.54 6.914
    Velocity Z (km/s) 1.048 -1.048

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3159 STARLINK-4574
    Semimajor Axis (a) 6840.886 km 6843.378 km
    Eccentricity (e) 0.000121 0.000135
    Inclination (i) 53.1598° 53.1602°
    RAAN 96.0225° 127.7909°
    Perigee Argument 92.3843° 91.2600°
    Mean Anomaly (M) 267.7298° 268.8557°
    Apogee 463.578 km 466.165 km
    Perigee 461.920 km 464.317 km
    Orbit Epoch 2026-09-10T22:47:50+0000 2026-09-11T01:59:13+0000

    STARLINK-3159 & STARLINK-4574 Collision Probability (Pc) Trend

    STARLINK-3159 & STARLINK-4574 Collision Probability (Pc) TrendNot Available

    STARLINK-3159 & STARLINK-4574 Miss Distance (Miss Distance) Trend

    STARLINK-3159 & STARLINK-4574 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3159Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4574Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3159Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4574Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3159

    No nearby objects data